KEIICHI IMATO

Last Updated :2026/06/09

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
Web Site
https://ooyama-lab.hiroshima-u.ac.jp
https://kimato.hiroshima-u.ac.jp
E-mail
kimatohiroshima-u.ac.jp
Other Contact Details
1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan
TEL : (+81)82-424-7608 FAX : (+81)82-424-5494
Self-introduction
I am studying the control of structures and functions of polymeric materials using stimuli-responsive dyes.

Basic Information

Major Professional Backgrounds

  • 2012/04, 2014/09, Japan Society for the Promotion of Science, Research Fellow DC1
  • 2014/10, 2015/03, Japan Society for the Promotion of Science, Research Fellow PD
  • 2014/11, 2015/03, University of Fribourg, Adolphe Merkle Institute, Visiting Researcher
  • 2015/04, 2016/03, Tokyo Institute of Technology, Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Postdoctoral Researcher
  • 2016/04, 2018/12, Waseda University, Department of Life science and Medical Bioscience, School of Advanced Science and Engineering, Assistant Professor
  • 2019/01, 2020/03, Hiroshima University, Department of Applied Chemistry, Graduate School of Engineering, Assistant Professor
  • 2019/01, 2023/03, MEXT, LEADER
  • 2020/04, 2022/09, Hiroshima University, Graduate School of Advanced Science and Engineering, Assistant Professor
  • 2020/06, 2025/03, MEXT, HIRAKU-Global Researcher
  • 2021/10, 2025/03, JST, PRESTO
  • 2022/10, Hiroshima University, Graduate School of Advanced Science and Engineering, Associate Professor

Educational Backgrounds

  • Kyushu University, School of Engineering, Department of Materials Science and Engineering, Japan, 2006/04, 2010/03
  • Kyushu University, Graduate School of Engineering, Department of Chemistry and Biochemistry, Japan, 2010/04, 2011/09
  • Kyushu University, Graduate School of Engineering, Department of Chemistry and Biochemistry, Japan, 2011/10, 2014/09

Academic Degrees

  • Master of Engineering, Kyushu University
  • Ph.D. in Engineering, Kyushu University

Educational Activity

  • [Bachelor Degree Program] School of Engineering : Cluster 3(Applied Chemistry, Biotechnology and Chemical Engineering) : Program of Applied Chemistry
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Smart Innovation Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Smart Innovation Program

Research Fields

  • Chemistry;Applied chemistry;Polymer chemistry
  • Chemistry;Materials chemistry;Polymer / Textile materials

Research Keywords

  • Polymer Chemistry
  • Functional Dye
  • Mechanochemistry
  • Photoresponsive Polymer
  • Molecular Machine
  • Molecular Switch

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2026, Undergraduate Education, 4Term, Exercises in Physical Chemistry
  2. 2026, Undergraduate Education, Second Semester, Chemical Experiments II
  3. 2026, Undergraduate Education, 4Term, Industrial Polymer Chemistry
  4. 2026, Undergraduate Education, Year, Graduation Thesis
  5. 2026, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  6. 2026, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  7. 2026, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  8. 2026, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  9. 2026, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  10. 2026, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  11. 2026, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  12. 2026, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  13. 2026, Graduate Education (Master's Program) , Year, Special Study on Applied Chemistry
  14. 2026, Graduate Education (Master's Program) , Year, Special Study on Applied Chemistry
  15. 2026, Graduate Education (Doctoral Program) , Year, Special Study on Applied Chemistry

Award of Education

  1. 2020/03/19, FY 2020 Education Award in School of Engineering, Hiroshima University, Improvement of General Chemistry

Research Activities

Academic Papers

  1. Exploration of Naphtho[c]dithiophenes: Synthesis, Optical and Electrochemical Properties of Naphtho[1,2-c:5,6-c']dithiophenes, Chemical Communications, 62(39), 9875-9879, 20260521
    Link to Paper Search Results by DOI
  2. Simple Fabrication of Single-Walled Carbon Nanotube Films and Electrical Property Control via Nitrosonium Salt Doping, Fullerenes Nanotubes and Carbon Nanostructures, 34(6), 656-661, 20260216
    Link to Paper Search Results by DOI
  3. ★, Isomerization of Spiropyran Photoswitches in Microphase-Separated Block Copolymers, Science and Technology of Advanced Materials, 26(1), 2590800, 20251215
    Link to Paper Search Results by DOI
  4. Development of Real-Time Monitoring System for Water Based on Chemiluminescence Using Chemiluminophore and Photosensitizer for Singlet Oxygen Generation, New Journal of Chemistry, 49(46), 19950-19954, 20251214
    Link to Paper Search Results by DOI
  5. Effects of Alkoxy Side Chains on the Electrical and Thermoelectric Properties of Poly(3-pentyloxythiophene), ChemistrySelect, 10(40), e05857, 20251027
    Link to Paper Search Results by DOI
  6. Fluorescent Sensor-Modified Polyvinyl Alcohol Films for the Detection of Amine Vapor Based on PET (Photo-Induced Electron Transfer), RSC Advances, 15(43), 36165-36174, 20250930
    Link to Paper Search Results by DOI
  7. Elucidation of Organohalogenochromism (OHC) of D–A Pyridinium and D-π-A Pyridinium Dyes: Effect of Halogen Bond, Chemistry-An Asian Journal, 20(18), e00746, 20250915
    Link to Paper Search Results by DOI
  8. Synthesis, Optical and Singlet Oxygen Generation Properties of Phenazinone-Based Photosensitizer with 5-Formyl-2-thienyl Substituents, Asian Journal of Organic Chemistry, 14(6), e202400781, 20250616
    Link to Paper Search Results by DOI
  9. Recent Advances in Development of Bibenzo[c]thiophene Derivatives for Application in Functional Materials, Tetrahedron Letters, 155, 155393, 20250130
    Link to Paper Search Results by DOI
  10. Organohalogenochromism: Toward Colorimetric Detection of Volatile Organic Halogen Compounds, ChemPhotoChem, 9(1), e202400187, 20250110
    Link to Paper Search Results by DOI
  11. ★, Main-chain Stiff-stilbene Photoswitches in Solution, in Bulk, and at Surfaces, Chemical Science, 15(48), 20545-20555, 20241228
    Link to Paper Search Results by DOI
  12. ★, Stimuli-Responsive Smart Polymers Based on Functional Dyes, Polymer Journal, 56(12), 1093-1109, 20241201
    Link to Paper Search Results by DOI
  13. Electrosynthesis and Thermoelectric Properties of Conductive Polymers with Polyhedral Oligomeric Silsesquioxane (POSS) Composites, Energy Material Advances, 5, 0119, 20240923
    Link to Paper Search Results by DOI
  14. Fabrication of 3D Engineered Intestinal Tissue Producing Abundant Mucus by Air-Liquid Interface Culture Using Paper-based Dual-layer Scaffold, Biofabrication, 16(3), 035029, 20240701
    Link to Paper Search Results by DOI
  15. Synthesis, and Optical and Electrochemical Properties of 1,1',3,3'-Tetraaryl-4,4'-bibenzo[c]thiophene Derivatives with the Same or Different Aryl Substituents on the Thiophene Rings, New Journal of Chemistry, 48(22), 9890-9898, 20240614
    Link to Paper Search Results by DOI
  16. Photochromism of Phenazine-2,3-diol Derivatives through Excited State Intermolecular Proton Transfer Based on Keto-Enol Tautomerization, Organic & Biomolecular Chemistry, 22(20), 4077-4088, 20240528
    Link to Paper Search Results by DOI
  17. Anthracene-(Aminomethyl)phenylboronic Acid Ester-Immobilized Glass Substrates as Fluorescent Sensing Materials Based on Photo-Induced Electron Transfer for Detection and Visualization of Water, Sensors & Diagnostics, 3(4), 631-639, 20240418
    Link to Paper Search Results by DOI
  18. ★, Recent Progress in Photoinduced Transitions between the Solid, Glass, and Liquid States Based on Molecular Photoswitches, Polymer Journal, 56(4), 269-282, 20240401
    Link to Paper Search Results by DOI
  19. Organohalogenochromism (OHC) of D–p–A Pyridinium Dye Polymer Films and the Colorimetric Detection of Volatile Organic Halogen Compounds, Materials Advances, 5(6), 2218-2229, 20240318
    Link to Paper Search Results by DOI
  20. ★, Wireless Electrochemical Gel Actuators, Small, 20(9), 2305067, 20240301
    Link to Paper Search Results by DOI
  21. ★, Polymer Mechanochemistry of Component Parts for Artificial Molecular Machines, Macromolecular Chemistry and Physics, 224(24), 2300316, 20231201
    Link to Paper Search Results by DOI
  22. Development of Phenazine-2,3-diol-Based Photosensitizers: Effect of Substitution of the Cyano Group for the Nitro Group on Singlet Oxygen Generation, New Journal of Chemistry, 47(36), 16799-16808, 20230918
    Link to Paper Search Results by DOI
  23. ★, Thermally Stable Photomechanical Molecular Hinge: Sterically Hindered Stiff-Stilbene Photoswitch Mechanically Isomerizes, JACS Au, 3(9), 2458-2466, 20230821
    Link to Paper Search Results by DOI
  24. Development of Water-Soluble Phenazine-2,3-diol-Based Photosensitizers for Singlet Oxygen Generation, Organic & Biomolecular Chemistry, 21(25), 5194-5202, 20230628
    Link to Paper Search Results by DOI
  25. Synthesis of 1,1'-Diaryl-4,4'-Bibenzo[c]thiophene Derivatives with Aryl Substituents on the Thiophene Rings by Stille or Suzuki Coupling Reaction, New Journal of Chemistry, 47(20), 9555-9559, 20230522
    Link to Paper Search Results by DOI
  26. Synthesis and Optical Properties of Phenazinone-Based Photosensitizers for Singlet Oxygen Generation, New Journal of Chemistry, 47(6), 2711-2718, 20230214
    Link to Paper Search Results by DOI
  27. Thermoelectric Properties of Conductive Freestanding Films Prepared from PEDOT:PSS Aqueous Dispersion and Ionic Liquids, ACS Applied Materials & Interfaces, 14(51), 57064-57069, 20221228
    Link to Paper Search Results by DOI
  28. ★, Sterically Hindered Stiff-Stilbene Photoswitch Offers Large Motions, 90% Two-Way Photoisomerization, and High Thermal Stability, The Journal of Organic Chemistry, 87(23), 15762-15770, 20221202
    Link to Paper Search Results by DOI
  29. Elucidation of a Detection Mechanism of a Fluorescent Sensor Based on Photo-Induced Electron Transfer for Water, New Journal of Chemistry, 46(44), 21037-21046, 20221128
    Link to Paper Search Results by DOI
  30. ★, Photoswitchable Adhesives of Spiropyran Polymers, Chemistry of Materials, 34(18), 8289-8296, 20220927
    Link to Paper Search Results by DOI
  31. Fluorescent Polymer Films Based on Photo-Induced Electron Transfer for Visualizing Water, RSC Advances, 12(39), 25687-25696, 20220909
    Link to Paper Search Results by DOI
  32. Synthesis, Optical and Electrochemical Properties of (D-Pi)2-Type and (D-Pi)2Ph-Type Fluorescent Dyes, Beilstein Journal of Organic Chemistry, 18, 1047-1054, 20220818
    Link to Paper Search Results by DOI
  33. Facile Silicon/Graphene Composite Synthesis Method for Application in Lithium-Ion Batteries, Ceramics International, 48(17), 25439-25444, 20220719
    Link to Paper Search Results by DOI
  34. Tetraphenylethene–Anthracene-Based Fluorescence Emission Sensor for Detection of Water with Photo-Induced Electron Transfer and Aggregation-Induced Emission Characteristics, New Journal of Chemistry, 46(26), 12474-12481, 20220714
    Link to Paper Search Results by DOI
  35. Mechanofluorochromism of (D–p–)2A-Type Azine-Based Fluorescent Dyes, RSC Advances, 12(22), 13797-13809, 20220510
    Link to Paper Search Results by DOI
  36. Development of Highly Sensitive Fluorescent Sensor and Fluorescent Sensor-Doped Polymer Films for Trace Amounts of Water Based on Photo-Induced Electron Transfer, Materials Advances, 2(23), 7662-7670, 20211207
    Link to Paper Search Results by DOI
  37. Development of 4,4'-Bibenzo[c]thiophene Fluorophores with Substituents on the Thiophene Rings, New Journal of Chemistry, 45(37), 17085-17094, 20211007
    Link to Paper Search Results by DOI
  38. Synthesis, Optical and Electrochemical Properties of Benzofuro[2,3-c]carbazoloquinol Fluorescent Dyes, Electrochemistry, 89(6), 562-566, 20211105
    Link to Paper Search Results by DOI
  39. Thermoelectric Properties of PEDOT:PSS/SWCNT Composite Films with Controlled Carrier Density, Composites Communications, 27, 20210817
    Link to Paper Search Results by DOI
  40. Development of Phenazine-2,3-diol-Based Photosensitizers: Effect of Formyl Groups on Singlet Oxygen Generation, Materials Chemistry Frontiers, 5(14), 5312-5318, 20210721
    Link to Paper Search Results by DOI
  41. Synthesis, Photophysical and Electrochemical Properties of 1,1',3,3'-Tetrasubstituted-4,4'-bibenzo[c]thiophene Derivative with Different Substituents on the Thiophene Rings, New Journal of Chemistry, 45(30), 13258-13261, 20210611
    Link to Paper Search Results by DOI
  42. Synthesis, Optical and Electrochemical Properties of 4,4'-Bibenzo[c]thiophene Derivatives, RSC Advances, 11(31), 18870-18880, 20210525
    Link to Paper Search Results by DOI
  43. Polymer Films Doped with Fluorescent Sensor for Moisture and Water Droplet Based on Photo-Induced Electron Transfer, RSC Advances, 11(28), 17046-17050, 20210520
    Link to Paper Search Results by DOI
  44. Fluorescence Sensors for Detection of Water Based on Tetraphenylethene–Anthracene Possessing both Solvatofluorochromic Properties and Aggregation-Induced Emission (AIE) Characteristics, New Journal of Chemistry, 45(9), 4164-4173, 20210307
    Link to Paper Search Results by DOI
  45. Diversification of Conjugated Polymers via Postpolymerization Nucleophilic Aromatic Substitution Reactions with Sulfur-, Oxygen-, and Nitrogen-Based Nucleophiles, Macromolecules, 54(2), 725-735, 20210126
    Link to Paper Search Results by DOI
  46. Self-Healing Polyurethane Elastomers Based on Charge-Transfer Interactions for Biomedical Applications, Polymer Journal, 53(2), 355-362, 20201022
    Link to Paper Search Results by DOI
  47. Development of Optical Sensor for Water in Acetonitrile Based on Propeller-Structured BODIPY-Type Pyridine-Boron Trifluoride Complex, RSC Advances, 10(56), 33836-33843, 20200914
    Link to Paper Search Results by DOI
  48. Synthesis, Optical and Electrochemical Properties of Propeller-Type 3,5,8-Trithienyl-BODIPY Dyes, Materials Chemistry Frontiers, 4(9), 2762-2771, 20200901
    Link to Paper Search Results by DOI
  49. ★, Fluorescent Supramolecular Mechanophores Based on Charge-Transfer Interactions, Chemical Communications, 56(57), 7937-7940, 20200721
    Link to Paper Search Results by DOI
  50. Development of Fluorescent Sensors Based on a Combination of PET (Photo-induced Electron Transfer) and FRET (Förster Resonance Energy Transfer) for Detection of Water, Materials Advances, 1(3), 354-362, 20200601
    Link to Paper Search Results by DOI
  51. Cell Adhesion Control by Photoinduced Lcst Shift of PNIPAAm-Based Brush Scaffolds, Journal of Materials Chemistry B, 8(12), 2393-2399, 20200328
    Link to Paper Search Results by DOI
  52. Phenazine-Based Photosensitizers for Singlet Oxygen Generation, Materials Chemistry Frontiers, 4(2), 589-596, 20200201
    Link to Paper Search Results by DOI
  53. Development of an Intramolecular Charge Transfer-Type Colorimetric and Fluorescence Sensor for Water by Fusion with a Juloidine Structure and Complexation with Boron Trifluoride, RSC Advances, 9(54), 31466-31473, 20191007
    Link to Paper Search Results by DOI
  54. Synthesis and Photophysical and Electrochemical Properties of Pyridine-, Pyrazine- and Triazine-Based (D-p-)2A Fluorescent Dyes, Beilstein Journal of Organic Chemistry, 15, 1712-1721, 20190722
    Link to Paper Search Results by DOI
  55. Fluorescent Sensor for Water Based on Photo-Induced Electron Transfer and Förster Resonance Energy Transfer: Anthracene-(Aminomethyl)Phenylboronic Acid Ester-Bodipy Structure, RSC Advances, 9(27), 15335-15340, 20190516
    Link to Paper Search Results by DOI
  56. ★, The Photoregulation of a Mechanochemical Polymer Scission, Nature Communications, 9(1), 3504, 20180829
    Link to Paper Search Results by DOI
  57. Photoresponsive Fiber Scaffolds with a Core-Sheath Nanostructure for Regulating Cell Behaviors, Journal of Materials Chemistry B, 6(14), 2052-2056, 20180316
    Link to Paper Search Results by DOI
  58. Reorganizable and Stimuli-Responsive Polymers Based on Dynamic Carbon–Carbon Linkages in Diarylbibenzofuranones, Polymer, 137, 395-413, 20180214
    Link to Paper Search Results by DOI
  59. Photoregulation of Retro-Diels Alder Reaction at the Center of Polymer Chains, Chemistry Letters, 46(7), 992-994, 20170422
    Link to Paper Search Results by DOI
  60. Dynamic Covalent Diarylbibenzofuranone-Modified Nanocellulose: Mechanochromic Behaviour and Application in Self-Healing Polymer Composites, Polymer Chemistry, 8(13), 2115-2122, 20170313
    Link to Paper Search Results by DOI
  61. Enhancing Mechanochemical Activation in the Bulk State by Designing Polymer Architectures, ACS Macro Letters, 5(10), 1124-1127, 20161018
    Link to Paper Search Results by DOI
  62. Polymer-Inorganic Composites with Dynamic Covalent Mechanochromophore, Macromolecules, 49(16), 5903-5911, 20160823
    Link to Paper Search Results by DOI
  63. ★, Repeatable Mechanochemical Activation of Dynamic Covalent Bonds in Thermoplastic Elastomers, Chemical Communications, 52(69), 10482-10485, 20160718
    Link to Paper Search Results by DOI
  64. Autonomously Substitutable Organosilane Thin Films Based on Dynamic Covalent Diarylbibenzofuranone Units, Chemistry Letters, 45(1), 36-38, 20160101
    Link to Paper Search Results by DOI
  65. Mechanochromic Dynamic Covalent Elastomers: Quantitative Stress Evaluation and Autonomous Recovery, ACS Macro Letters, 4(11), 1307-1311, 20151109
    Link to Paper Search Results by DOI
  66. Metathesis-Driven Scrambling Reactions between Polybutadiene or Naturally Occurring Polyisoprene and Olefin-Containing Polyurethane, Polymer, 78, 145-153, 20151105
    Link to Paper Search Results by DOI
  67. ★, Self-Healing of a Cross-Linked Polymer with Dynamic Covalent Linkages at Mild Temperature and Evaluation at Macroscopic and Molecular Levels, Macromolecules, 48(16), 5632-5639, 20150825
    Link to Paper Search Results by DOI
  68. Diarylbibenzofuranone-Based Dynamic Covalent Polymer Gels Prepared via Radical Polymerization and Subsequent Polymer Reaction, Gels, 1(1), 58-68, 20150703
    Link to Paper Search Results by DOI
  69. ★, Mechanophores with a Reversible Radical System and Freezing-Induced Mechanochemistry in Polymer Solutions and Gels, Angewandte Chemie - International Edition, 54(21), 6168-6172, 20150518
    Link to Paper Search Results by DOI
  70. ★, Network Reorganization of Dynamic Covalent Polymer Gels with Exchangeable Diarylbibenzofuranone at Ambient Temperature, Journal of the American Chemical Society, 136(33), 11839-11845, 20140820
    Link to Paper Search Results by DOI
  71. Plasticizer-Promoted Thermal Crosslinking of a Dynamic Covalent Polymer with Complementarily Reactive Alkoxyamine Units in the Side Chain under Bulk Conditions, Bulletin of the Chemical Society of Japan, 87(9), 1023-1025, 20140101
    Link to Paper Search Results by DOI
  72. Insertion Metathesis Depolymerization of Aromatic Disulfide-Containing Dynamic Covalent Polymers under Weak Intensity Photoirradiation, Chemistry Letters, 42(11), 1346-1348, 20131111
    Link to Paper Search Results by DOI
  73. Reversibly Crosslinked Polymeric Micelles Formed by Autonomously Exchangeable Dynamic Covalent Bonds, Chemistry Letters, 42(4), 377-379, 20130415
    Link to Paper Search Results by DOI
  74. ★, Self-Healing of Chemical Gels Cross-Linked by Diarylbibenzofuranone-Based Trigger-Free Dynamic Covalent Bonds at Room Temperature, Angewandte Chemie - International Edition, 51(5), 1138-1142, 20120127
    Link to Paper Search Results by DOI

Publications such as books

  1. 2026/01/29, Molecular Robotics II, Functional Expansion of DNA Molecule: Stimulus-Responsive Nucleic Acids, Springer Nature, 2026, 01, Scholarly Book, Joint work, English, Keiji Murayama, Keiichi Imato, Yusuke Takezawa, 328, 11-22
  2. 2026/01/20, Journal of the Japan Society of Colour Material, Development of Stimuli-Responsive Polymeric Materials Based on Functional Dyes, Japan Society of Colour Material, 2026, 01, Scholarly Book, Single work, 日本語, Imato, Keiichi, 2-8
  3. 2025/06/01, Polymers, Photocontrol of Adhesion Based on Polarity Changes of Molecular Photoswitches, The Society of Polymer Science, Japan, 2025, 06, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Ooyama, Yousuke, 306-307
  4. 2025/05/01, Polymers, Assets Made when I was a Ph.D. Student, The Society of Polymer Science, Japan, 2025, 05, Scholarly Book, Single work, 日本語, Imato, Keiichi, 235
  5. 2024/05/01, Journal of the Adhesion Society of Japan, Photocontrol of Bonding and De-Bonding by Molecular Photoswitches, The Adhesion Society of Japan, 2024, 05, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Ooyama, Yousuke, 131-137
  6. 2023/06/01, Journal of the Visualization Society of Japan, Visualization of Force and Damage Generated in Polymeric Materials by Functional Dyes, The Visualization Society of Japan, 2023, 06, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Ooyama, Yousuke, 41-45
  7. 2022/01/18, Chemistry, Kagaku-Dojin Publishing Company, 2022, 01, Book(general), Single work, 日本語, Imato, Keiichi, 59-60
  8. 2021/07/21, Recent Developments in Stimuli-Responsive Polymers, CMC Publishing, 2021, 07, Scholarly Book, Joint work, 日本語, Ooyama, Yousuke; Imato, Keiichi, 323, 87-111
  9. 2021/04/27, Progress in the Science of Functional Dyes, Photodynamic Therapy, Springer, 2021, 04, Scholarly Book, Joint work, English, Imato, Keiichi; Ooyama, Yousuke, 601, 445-467
  10. 2019/12/20, Photochemistry, Progress of Dye Sensitizers for Dye-Sensitized Solar Cells, The Japanese Photochemistry Association, 2019, 12, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Ooyama, Yousuke, 169-176
  11. 2018/04/25, Technology and Development Trends of Organ(s)-on-a-Chip, CMC Publishing, 2018, 04, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Takeda, Naoya, 293, 48–56
  12. 2018/07, Journal of Japanese Society for Biomaterials, Japanese Society for Biomaterials, 2018, 07, Scholarly Book, Single work, 日本語, Imato, Keiichi, 242
  13. 2018/01, Colloid & Interface Communication, The Chemical Society of Japan, Division of Colloid and Surface Chemistry, 2018, 01, Scholarly Book, Joint work, 日本語, Arisaka, Yoshinori; He, Di; Imato, Keiichi; Takeda, Naoya, 20–23
  14. 2018/04/17, Journal of Japanese Society for Biomaterials, Japanese Society for Biomaterials, 2018, 04, Scholarly Book, Joint work, 日本語, Arisaka, Yoshinori; Ozaki, Ai; Imato, Keiichi; Takeda, Naoya, 156–157
  15. 2017/09/08, Dynamic Covalent Chemistry: Principles, Reactions and Applications, Self-Healing Polymers through Dynamic Covalent Chemistry, Wiley, 2017, 09, Scholarly Book, Joint work, English, Imato, Keiichi; Otsuka, Hideyuki, 359–387
  16. 2016/01/10, Journal of Network Polymer, Japan, Dynamic Covalent Polymer Gels Based on Reversible Carbon–Carbon Bonds, Japan Thermosetting Plastics Industry Association, 2016, 01, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Goseki, Raita; Otsuka, Hideyuki, 31–40
  17. 2015/07/18, Chemistry, Kagaku-Dojin Publishing Company, 2015, 07, Book(general), Joint work, 日本語, Imato, Keiichi; Goseki, Raita; Otsuka, Hideyuki, 70–71
  18. 2015/06/10, Journal of the Imaging Society of Japan, Self-Healing of Polymers Based on Dynamic Covalent Chemistry, The Imaging Society of Japan, 2015, 06, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Otsuka, Hideyuki, 221–228
  19. 2012/05/01, Journal of The Adhesion Society of Japan, Synthesis and Self-healing Property of Crosslinked Polymers with Autonomously Exchangeable Dynamic Covalent Bonds, The Adhesion Society of Japan, 2012, 05, Scholarly Book, Joint work, 日本語, Imato, Keiichi; Otsuka, Hideyuki, 156–162

Invited Lecture, Oral Presentation, Poster Presentation

  1. Photoinduced transitions of small molecules and polymers by thermally bistable molecular photoswitches, Keiichi Imato, Naoki Kaneda, Taichi Hidaka, Yousuke Ooyama, The International Chemical Congress of Pacific Basin Societies 2025 (Pacifichem 2025), 2025/12/16, Without Invitation, English, The Canadian Society for Chemistry, Honolulu, USA
  2. Development of stimuli-responsive polymeric materials based on functional dyes, Keiichi Imato, Japan Society of Colour Material Conference 2025, 2025/10/30, With Invitation, Japanese, Japan Society of Colour Material, Nagoya
  3. Photocontrol of Polymer Structures and Properties by Thermally Stable Molecular Switches, Keiichi Imato, Naoki Kaneda, Taichi Hidaka, Yousuke Ooyama, The 19th Pacific Polymer Conference, 2025/07/07, Without Invitation, English, The Society of Polymer Science, Japan and the Pacific Polymer Federation, Kitakyushu
  4. Photocontrol of polymer structure and properties by thermally bistable molecular photoswitches, Keiichi Imato, The 74th SPSJ Annual Meeting, 2025/05/20, With Invitation, Japanese, The Society of Polymer Science, Japan, Online
  5. Photoinduced Transitions between the Solid and Liquid States of Thermally Bistable Molecular Photoswitches, Keiichi Imato, Naoki Kaneda, Yousuke Ooyama, The 92nd ECSJ Annual Meeting, 2025/03/18, Without Invitation, Japanese, The Electrochemical Society of Japan, Tokyo
  6. Wireless Electrochemical Gel Actuators, Keiichi Imato, Taichi Hino, Naoki Kaneda, Naoki Shida, Shinsuke Inagi, Yousuke Ooyama, Gel Symposium 2024, 2024/11/21, With Invitation, English, Gel Symposium 2024, Nago
  7. Polymer Chemistry of Thermally Stable Molecular Photoswitches, Keiichi Imato, 2024/07/12, Without Invitation, Japanese, The Society of Polymer Science, Japan, Kansai Regional Chapter, Kobe
  8. Photoinduced Transitions between Solid, Glass, and Liquid by Thermally Stable Molecular Photoswitches, Keiichi Imato, MRM2023/IUMRS-ICA2023, 2023/12/14, With Invitation, English, The Materials Research Society of Japan (MRS-J) and The International Union of Materials Research Societies (IUMRS), Kyoto
  9. Thermally Stable Photomechanical Molecular Hinge: Sterically Hindered Stiff-Stilbene Photoswitch Mechanically Isomerizes, Keiichi Imato, Akira Ishii, Naoki Kaneda, Ayane Sasaki, Ichiro Imae, Yousuke Ooyama, ACS Fall 2023, 2023/08/13, Without Invitation, English, The American Chemical Society, San Francisco, USA
  10. Development of Gel Actuators Driven Wirelessly by Bipolar Electrochemistry, Keiichi Imato, Taichi Hino, Naoki Shida, Sinsuke Inagi, Ichiro Imae, Yousuke Ooyama, The 13th SPSJ International Polymer Conference, 2023/07/19, Without Invitation, English, The Society of Polymer Science, Japan, Sapporo
  11. Development of gel actuators driven wirelessly by bipolar electrochemistry, Imato, Keiichi; Hino, Taichi; Shida, Naoki; Inagi, Shinsuke; Ooyama, Yousuke, The 72nd SPSJ Annual Meeting, 2023/05/24, Without Invitation, Japanese, The Society of Polymer Science, Japan, Takasaki
  12. Photoswichable Polymer Adhesives Using Polarity Changes of Spiropyran, Imato, Keiichi; Momota, Koki; Kaneda, Naoki; Imae, Ichiro; Ooyama, Yosule, The 32nd Annual Meeting of MRS-J, 2022/12/06, Without Invitation, Japanese, The Materials Research Society of Japan, Yokohama
  13. Functional Dyes and Polymers, Imato, Keiichi, The 2nd Symposium on New Approaches to Functional Molecules and Materials, 2022/11/26, With Invitation, Japanese, Hideyuki Otsuka LAb., Tokyo Institute of Technology, Tokyo
  14. Photocontrolling of Polymers by Molecular Switches Offering Large Motions and High Thermal Stability, Imato, Keiichi, International Congress on Pure & Applied Chemistry Kota Kinabalu 2022, 2022/11/22, With Invitation, English, Institut Kimia Malaysia, Kota Kinabalu, Malaysia (Hybrid)
  15. Photoswichable polymer adhesives using polarity changes of photochromic molecules, Imato, Keiichi; Momota, Koki; Imae, Ichiro; Ooyama, Yousuke, The 71st Symposium on Macromolecules, 2022/09/05, Without Invitation, Japanese, The Society of Polymer Science, Japan, Sapporo
  16. Photocontrol of Polymers by Molecular Switches Combining Large Movement and High Thermal Stability, Imato, Keiichi; Sasaki, Ayane; Ishii, Akira; Kaneda, Naoki; Tsujii, Yuta; Imae, Ichiro; Ooyama, Yousuke, IUMRS-ICYRAM2022, 2022/08/04, Without Invitation, English, The Materials Research Society of Japan, Fukuoka
  17. Polymer Applications of Molecular Switches Combining Large Movement and High Thermal Stability, Imato, Keiichi, The 89th ECSJ Spring Meeting, 2022/03/16, With Invitation, Japanese, The Electrochemical Society of Japan, Online
  18. Photocontrol of Polymer Structures and Properties by Molecular Switches Showing Large Movements and High Thermal Stability, Imato, Keiichi; Sasaki, Ayane; Ishii, Akira; Imae, Ichiro; Ooyama, Yousuke, The 31st Annual Meeting of MRS-J, 2021/12/14, Without Invitation, Japanese, The Materials Research Society of Japan, Online
  19. Development of Mechanoresponsive Polymeric Materials based on Charge-Transfer Interactions, Imato, Keiichi, Meeting of the Chugoku-Shikoku Branch of the Chemical Society of Japan, 2020/11/29, With Invitation, Japanese, The Chugoku-Shikoku Branch of the Chemical Society of Japan, Online
  20. Thermally Stable and Photoresponsive Molecular Machines for Manipulating Polymer Structures and Properties, Imato, Keiichi; Sasaki, Ayane; Yamane, Ayumu; Imae, Ichiro; Ooyama, Yousuke, The 14th International Symposium on Organic Reactions and the 44th Symposium on Organic Electron Transfer Chemistry, 2020/04/24, Without Invitation, English, Yokohama
  21. Development of Force- and Photo-Responsive Functional Polymeric Materials, Imato, Keiichi, 2019 PHyM Young Scientists Forum, 2019/11/13, With Invitation, Japanese, Polymer Hybrid Materials Research Center, Sendai
  22. Force-Reporting and Self-Healing Polymeric Materials Based on Charge-Transfer Interaction, Imato, Keiichi, The NCU-HU Joint Symposium 2019, 2019/11/01, With Invitation, English, Taoyuan, Taiwan
  23. Development of Mechanoprobes That Are Based on Charge-Transfer Interactions between Fluorescent Dyes and Can Detect Forces Generated in Polymeric Materials, Imato, Keiichi; Yamanaka, Ryota; Nakajima, Hidekazu; Takeda, Naoya, JACM 2019 Annual Conference, 2019/10/24, Without Invitation, Japanese, Japan Society of Colour Material, Tokyo
  24. Force-Reporting and Self-Healing Materials Based on Charge-Transfer Interaction, Imato, Keiichi, 2019 HU-PNU Joint Symposium on Sustainable Materials, 2019/07/09, With Invitation, English, Higashihiroshima
  25. Perfect photoswitching of phase-separated structures formed by block copolymer thin films and spatio-temporal control of cell behavior, Imato, Keiichi; Sakano, Masato; Takeda, Naoya, The 68th SPSJ Annual Meeting, 2019/05/30, Without Invitation, Japanese, The Society of Polymer Science, Japan, Osaka
  26. Functional Polymeric Materials Based on Charge-Transfer Interaction, Imato, Keiichi, Asian International Symposium - Electrochemistry - in the 99th CSJ Annual Meeting, 2019/03/18, With Invitation, English, The Chemical Society of Japan, Kobe
  27. Fabrication of long myotube bundles in three-dimensional gel scaffolds with oriented cellulose nanofibers, Imato, Keiichi; Yoneda, Kenji; Tanaka, Tomo; Yoon, Dong Hyun; Sekiguchi, Tetsushi; Shoji, Shuichi; Takeda, Naoya, 5th TERMIS World Congress 2018, 2018/09/05, Without Invitation, English, The Japanese Society for Regenerative Medicine, Kyoto
  28. Fabrication of long and large engineered tissues in three-dimensional gel scaffolds of oriented cellulose nanofibers, Imato, Keiichi; Yoneda, Kenji; Tanaka, Tomo; Yoon, Dong Hyun; Sekiguchi, Tetsushi; Shoji, Shuichi; Takeda, Naoya, The 67th SPSJ Annual Meeting, 2018/05/24, Without Invitation, Japanese, The Society of Polymer Science, Japan, Nagoya

Awards

  1. 2019/10/25, Presentation Award, Japan Society of Colour Material, 高分子材料に生じる力を検出可能な蛍光色素間の電荷移動相互作用に基づくメカノプローブの開発
    Related URL
  2. 2019/06/06, Research Award for Young Scientists, Japan Association for Chemical Innovation, マイクロナノ表面パターンの光可逆的変換による細胞挙動の時空間制御
    Related URL
  3. 2018/03/06, Research Award for Young Scientists, Waseda University and JXTG Nippon Oil & Energy, 高分子材料の損傷・修復の高精度評価を実現する可逆的微小応力検出プローブの開発
  4. 2017/09/06, Publicity Award in the 66th Symposium on Macromolecules, The Society of Polymer Science, Japan, Myotube formation in thixotropic cellulose gel centered in multi-layered fiber scaffold
    Related URL
  5. 2017/04/21, Sasakawa Scientific Research Award for Young Scientists, The Japan Science Society, 可逆的な化学反応に基づく繰り返し駆動可能な応力検知材料の開発
    Related URL
  6. 2017/02/03, Inoue Research Award for Young Scientists, Inoue Foundation for Science, Preparation of Functional Cross-Linked Polymers Based on Dynamic Covalent Chemistry
    Related URL
  7. 2014/05/23, GSC Poster Award in the 3rd JACI/GSC Symposium, Japan Association for Chemical Innovation, Self-healing of a Cross-linked Polymer with Autonomously Exchangeable Dynamic Covalent Bonds
    Related URL
  8. 2014/04/10, CSJ Student Presentation Award 2014 in the 94th Annual Meeting of the Chemical Society of Japan, The Chemical Society of Japan, Unusual Mechanical Properties and Self-healing Behavior of a Cross-linked polymer with Autonomously Exchangeable Dynamic Covalent Bonds
    Related URL
  9. 2013/11/02, Poster Award in Japan-Korea Joint Symposium 2013, Tokyo Institute of Technology, Freezing-Induced Mechanochromism in Polymer Gels with Diarylbibenzofuranone-Based Dynamic Covalent Bonds
  10. 2012/12/14, IPC 2012 Young Scientist Poster Award, The Society of Polymer Science, Japan, Freezing-Induced Chromism in Polymer Gels with Mechanocleavable Dynamic Covalent Bonds
    Related URL
  11. 2012/09/27, Poster Award in the 60th Rheology Symposium, The Society of Rheology, Japan, Properties of Polymeric Gels Cross-linked by Exchangeable Dynamic Covalent Bonds at Room Temperature
  12. 2011/09/22, Outstanding Poster Award in the 3rd Asian Symposium on Advanced Materials, Kyushu University, Self-healing properties of cross-linked polymers with radically exchangeable dynamic covalent bond units
  13. 2010/11/26, Poster Award in the 47th Meeting of Kyushu Branch Offices of Chemical Societies, Japan, The Society of Polymer Science, Japan, 自発的に結合組み換え可能な架橋高分子の合成と特性解析

Patented

  1. Patent, 6241702, 2017/11/17

External Funds

Acceptance Results of Competitive Funds

  1. Grant-in-Aid for Scientific Research (B), 2025/04, 2028/03
  2. 2025/04, 2027/03
  3. 2025/04, 2027/03
  4. 2025/04, 2027/03
  5. 2025/04, 2026/03
  6. 2025/04, 2026/03
  7. 2025/04, 2026/03
  8. 2025/03, 2026/12
  9. 2022/04, 2024/03
  10. Strategic Basic Research Programs (PRESTO), 2021/10, 2025/03
  11. Grant-in-Aid for Transformative Research Areas (A), 2021/10, 2023/03
  12. Grant-in-Aid for Scientific Research (B), 2021/04, 2025/03
  13. 2021/04, 2022/03
  14. 2021/04, 2022/03
  15. 2021/04, 2022/03
  16. 2021/04, 2022/03
  17. 2021/04, 2022/03
  18. 2021/04, 2022/03
  19. 2020/04, 2022/03
  20. 2020/02, 2022/01
  21. 2019/06, 2020/05
  22. 2019/06, 2020/05
  23. Grant-in-Aid for Early-Career Scientists, 2019/04, 2021/03
  24. 2019/04, 2020/03
  25. 2019/04, 2020/03
  26. LEADER, 2019/01, 2020/03
  27. 2018/09, 2019/09
  28. 2017/12, 2018/11
  29. 2017/10, 2018/09
  30. Grant-in-Aid for Research Activity Start-up, 2016/04, 2018/03
  31. 2016/04, 2017/03
  32. Young Researchers Exchange Program between Japan and Switzerland, Preparation of Self-Healing Materials with High Mechanical Properties, 2014/11, 2015/03
  33. Grant-in-Aid for JSPS Fellows, 2012/04, 2015/03

Social Activities

Organizing Academic Conferences, etc.

  1. 2026/12, 2026/12
  2. 2025/12, 2025/12
  3. 2024/12, 2024/12
  4. MRM2023/IUMRS-ICA2023, Symposium Co-organizer, 2023/12, 2023/12
  5. 2023/10, 2023/10
  6. 2023/09, 2023/09
  7. 2022/12, 2022/12
  8. International Conference of Young Researchers on Advanced Materials (ICYRAM) 2022, Symposium Organizer, 2022/08, 2022/08
  9. 2021/12, 2021/12
  10. 2021/06, 2021/06

History as Peer Reviews of Academic Papers

  1. 2025, Science China Chemistry, Others, Reviewer, 1
  2. 2025, ACS Applied Materials & Interfaces, Others, Reviewer, 2
  3. 2025, Langmuir, Others, Reviewer, 1
  4. 2025, Nature Communications, Others, Reviewer, 2
  5. 2025, Polymer Chemistry, Others, Reviewer, 1
  6. 2025, Polymer Journal, Others, Reviewer, 2
  7. 2025, Journal of the American Chemical Society, Others, Reviewer, 1
  8. 2025, Polymer, Others, Reviewer, 3
  9. 2025, Angewandte Chemie - International Edition, Others, Reviewer, 1
  10. 2025, ACS Applied Polymer Materials, Others, Reviewer, 2
  11. 2025, ChemPhysChem, Others, Reviewer, 1
  12. 2024, ChemPhysChem, Others, Reviewer, 1
  13. 2024, ACS Applied Polymer Materials, Others, Reviewer, 2
  14. 2024, Chemical Science, Others, Reviewer, 1
  15. 2024, Macromolecular Rapid Communications, Others, Reviewer, 1
  16. 2024, Advanced Functional Materials, Others, Reviewer, 1
  17. 2024, International Journal of Adhesion and Adhesives, Others, Reviewer, 1
  18. 2024, Langmuir, Others, Reviewer, 1
  19. 2024, Angewandte Chemie - International Edition, Others, Reviewer, 5
  20. 2024, ChemPhotoChem, Others, Reviewer, 1
  21. 2023, ChemPhotoChem, Others, Reviewer, 1
  22. 2023, Materials Advances, Others, Reviewer, 1
  23. 2023, ACS Applied Materials & Interfaces, Others, Reviewer, 2
  24. 2023, Chemical Letters, Others, Reviewer, 1
  25. 2023, Angewandte Chemie - International Edition, Others, Reviewer, 1
  26. 2023, Polymer, Others, Reviewer, 2
  27. 2023, Polymer Journal, Others, Reviewer, 1
  28. 2023, Journal of the American Chemical Society, Others, Reviewer, 1
  29. 2023, ChemPlusChem, Others, Reviewer, 1
  30. 2022, ChemPlusChem, Others, Reviewer, 1
  31. 2022, Polymer Chemistry, Others, Reviewer, 1
  32. 2022, Langmuir, Others, Reviewer, 1
  33. 2022, Polymer, Others, Reviewer, 1
  34. 2022, Beilstein Journal of Organic Chemistry, Others, Reviewer, 1
  35. 2022, Angewandte Chemie - International Edition, Others, Reviewer, 2
  36. 2022, Polymer Journal, Others, Reviewer, 1
  37. 2021, Polymer Journal, Others, Reviewer, 1
  38. 2020, Macromolecular Rapid Communications, Others, Reviewer, 1
  39. 2020, Polymer Journal, Others, Reviewer, 1
  40. 2019, Langmuir, Others, Reviewer, 2
  41. 2019, Polymer, Others, Reviewer, 1
  42. 2019, Polymer Journal, Others, Reviewer, 1
  43. 2019, Tetrahedron, Others, Reviewer, 1
  44. 2018, Journal of Biomaterials Science, Polymer Edition, Others, Reviewer, 2
  45. 2018, Heterocycles, Others, Reviewer, 1
  46. 2018, Langmuir, Others, Reviewer, 1