Takemasa Sakaguchi

Last Updated :2019/12/02

Affiliations, Positions
Graduate School of Biomedical and Health Sciences(Medicine), ., Professor
E-mail
tsakahiroshima-u.ac.jp
Other Contact Details
1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan, Japan
TEL : (+81)82-257-5157 FAX : (+81)82-257-5159

Basic Information

Major Professional Backgrounds

  • 1987/04/01, 1996/08/31, Hiroshima University, Research Associate
  • 1993/10/23, 1996/02/28, Northwestern University, Postdoctrol fellow
  • 1998/05/01, 2007/03/31, Hiroshima University, Associate Professor
  • 2007/04/01, 2009/03/31, Hiroshima University, Associate Professor
  • 2009/04/01, 2019/03/31, Hiroshima University, Professor

Educational Backgrounds

  • Nagoya University, Faculty of Medicine, School of Medicine, Japan, 1979/04, 1985/03
  • Nagoya University, Graduate School of Medical Sciences, Laboratory of Molecular Pathogenesis, Japan, 1986/04, 1987/03

Academic Degrees

  • Doctor of Medicine, Hiroshima University

Research Fields

  • Medicine,dentistry, and pharmacy;Basic medicine;Virology

Research Keywords

  • Sendai virus (HVJ)
  • influenza virus
  • hepatitis B virus
  • reverse genetics
  • Protein three dimensional structure
  • morphogenesis
  • interferon
  • accessory protein
  • anti-virus
  • persimmon tannin

Educational Activity

Course in Charge

  1. 2019, Undergraduate Education, Year, Biological Responses
  2. 2019, Undergraduate Education, Intensive, Practice for medical research
  3. 2019, Undergraduate Education, 2Term, Introduction for medical research
  4. 2019, Undergraduate Education, 4Term, Microbiology
  5. 2019, Graduate Education (Master's Program) , First Semester, Methods in biomedical sciences
  6. 2019, Graduate Education (Master's Program) , First Semester, Methods in biomedical sciences
  7. 2019, Graduate Education (Master's Program) , First Semester, Methods in biomedical sciences
  8. 2019, Graduate Education (Master's Program) , First Semester, Methods in biomedical sciences
  9. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Lecture on Methods in biomedical sciences
  10. 2019, Graduate Education (Master's Program) , First Semester, Research on Virology
  11. 2019, Graduate Education (Master's Program) , Second Semester, Research on Virology
  12. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Lecture on Methods in biomedical sciences
  13. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Lecture on Methods in biomedical sciences
  14. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Lecture on Methods in biomedical sciences
  15. 2019, Graduate Education (Master's Program) , 3Term, Seminar on host defense
  16. 2019, Graduate Education (Master's Program) , First Semester, Seminar on Virology
  17. 2019, Graduate Education (Master's Program) , Second Semester, Seminar on Virology
  18. 2019, Graduate Education (Master's Program) , First Semester, Seminar on health policy & global health
  19. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced seminar on Virology
  20. 2019, Graduate Education (Doctoral Program) , Second Semester, Advanced seminar on Virology
  21. 2019, Graduate Education (Master's Program) , First Semester, Research
  22. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced research on Virology
  23. 2019, Graduate Education (Doctoral Program) , Second Semester, Advanced research on Virology
  24. 2019, Graduate Education (Master's Program) , First Semester, Seminar
  25. 2019, Graduate Education (Master's Program) , Second Semester, Seminar
  26. 2019, Graduate Education (Master's Program) , Second Semester, Research
  27. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar
  28. 2019, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar
  29. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Research
  30. 2019, Graduate Education (Doctoral Program) , Second Semester, Advanced Research
  31. 2019, Graduate Education (Master's Program) , 3Term, Seminar on Host Defense
  32. 2019, Graduate Education (Master's Program) , 1Term, Seminar on Health Policy & Global Health
  33. 2019, Graduate Education (Master's Program) , 1Term, Methods in Biomedical Sciences A
  34. 2019, Graduate Education (Doctoral Program) , 1Term, Methods in Biomedical Sciences B
  35. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Virology
  36. 2019, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Virology
  37. 2019, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Virology
  38. 2019, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Virology

Research Activities

Academic Papers

  1. Structural comparison of the cleavage-activation site of the fusion glycoprotein between virulent and avirulent strains of Newcastle disease virus., Virology, 158(1), 242-247, 19870501
  2. Structural features unique to each of the three antigenic sites on the hemagglutinin-neuraminidase protein of Newcastle disease virus., Virology, 163(1), 174-182, 19880301
  3. Identification of amino acids relevant to three antigenic determinants on the fusion protein of Newcastle disease virus that are involved in fusion inhibition and neutralization., Journal of Virology, 62(11), 4427-4430, 19881101
  4. Newcastle disease virus evolution. I. Multiple lineages defined by sequence variability of the hemagglutinin-neuraminidase gene., Virology, 169(2), 260-272, 19890401
  5. Newcastle disease virus evolution. II. Lack of gene recombination in generating virulent and avirulent strains., Virology, 169(2), 273-282, 19890401
  6. Endoproteolytic activiation of Newcastle disease virus fusion proteins requires an intracellular acidic environment., Virology, 170(2), 571-574, 19890601
  7. Immediate protection of mice from lethal wild-type Sendai virus (HVJ) infections by a temperature-sensitive mutant, HVJpi, possessing homologous intefering capacity., Virology, 177(1), 65-74, 19900701
  8. Identification of endoprotease activity in the trans Golgi membranes of rat liver cells that specifically processes in vitro the fusion glycoprotein precursor of virulent Newcastle disease virus., Virology, 184(2), 504-512, 19911001
  9. Detection of cytomegalovirus in urine samples by an enzyme-linked immunosorbent assay using a monoclonal antibody against the viral 150-kilodalton protein., Journal of Clinical Microbiology, 30(3), 685-690, 19920301
  10. Distribution and substrate specificity of intracellular proteolytic processing enzyme(s) for paramyxovirus fusion glycoproteins., Journal of General Virology, 73(3), 583-590, 19920301
  11. Location and character of the cellular enzyme that cleaves the hemagglutinin of a virulent avian influenza virus., Virology, 190(1), 278-289, 19920901
  12. Expression of the HN, F, NP and M proteins of Sendai virus by recombinant vaccinia viruses and their contribution to protective immunity against Sendai virus infections in mice., Journal of General Virology, 74, 479-484, 19930301
  13. Fo-containing noninfectious Sendai virus can initiate replication in mouse lungs but requires a relatively long incubation period., Journal of Virology, 67(12), 7618-7622, 19931201
  14. A field isolate of Sendai virus: its high virulence to mice and genetic divergence from prototype strains., Arhieves of Virology, 135(1-2), 159-164, 19940101
  15. Sequence specificity of furin, a proprotein processing endoprotease, for the Hemagglutinin of a virulent avian influenza virus., Journal of Virology, 68(2), 1213-1218, 19940201
  16. Monitoring for engraftment following rat orthotopic liver transplantation by the polymerase chain reaction., Transplantation Proceedings, 26(2), 902-903, 19940401
  17. Monitoring for rejection and engraftment by means of the polymerase chain reaction after rat orthotopic liver transplantation., Transplantation, 58(6), 745-748, 19940901
  18. Correlation of proteolytic cleavage of paramyxovirus F protein precursors with expression of the fur, PACE4 and PC6 genes in mammalian cells., Journal of General Virology, 75(10), 2821-2827, 19941001
  19. The ion channel activity of the influenza virus M2 protein affects transport through the Golgi apparatus., Journal of Cell Biology, 133(4), 733-747, 19960501
  20. HLA-DR8 subtyping by polymerase chain reaction (PCR)-DNA conformation polymorphism(DCP) analysis; a simple and practical genotyping method., Hiroshima J. Med. Sci., 45(3), 85-92, 19960901
  21. Protection of mice from respiratory Sendai virus infections by recombinant vaccinia viruses., Journal of Virology, 71(1), 832-838, 19970101
  22. Phosphorylation of the Sendai virus M protein is not essential for virus replication either in vitro or in vivo., Virology, 235(2), 360-366, 19970401
  23. The active oligomeric state of the minimalistic influenza virus M2 ion channel is a tetramer., Proc. Natl. Acad. Sci. USA, 94(10), 5000-5005, 19970501
  24. Structure and function of the influenza virus M2 ion channel protein., Japanese Journal of Clinical Medicine, 55(10), 89-94, 19971001
  25. Infulenza virus M2 ion channel-two functions for virus replication., Experimental Medicine, 15(19), 114-118, 19971201
  26. Viral ion channel : structure and function of the infuluenza virus M2 protein., Virus, 47(2), 177-186, 19971201
  27. Comparison of substrate specificities against the fusion glycoprotein of virulent Newcastle disease virus between a chick embryo fibroblast processing protease and mammalian subtilisin-like proteases., Microbiology and Immunology, 43(2), 133-140, 19990201
  28. Double-layered membrane vesicles released from mammalian cells infected with Sendai virus expressing the matrix protein of vesicular stomatitis virus., Virology, 263(1), 230-243, 19990401
  29. The genome nucleotide sequence of a contemporary wild strain of measles virus and its comparison with the classical Edmonston strain genome., Virology, 256(2), 340-350, 19990401
  30. Allograft transduction of IL-10 prolongs survival following orthotopic liver transplantation., Gene Therapy, 6(5), 816-822, 19990501
  31. Double-layered membrane vesicles released from mamalian cells infected with Sendai virus expressing the matrix protein of vesicular stomotitis virus., Virology, 263(1), 230-243, 19991001
  32. Adenovirus-mediated allograft transduction of Interleukin-10: Role in the induction phase of liver allograft acceptance., Transplantation Proceedings, 32, 247-248, 20000301
  33. Adenovirus-mediated interleukin-10 overexpression: Comparison between intraportal and intramuscular gene transfer., Transplantation Proceedings, 32(7), 2006, 20000401
  34. p53 gene therapy for rat liver tumor by intrahepatic arterial injection of AdCMV-p53 in combination with CDDP., Molecular Therapy, 1(5), S326, 20000401
  35. Effects of adenovirus-mediated IL-10 gene transfer on liver transplantation., Molecular Therapy, 1(5), 176-177, 20000401
  36. Involvement of the zinc-binding capacity of Sendai virus V protein in viral pathogenesis., Journal of Virology, 74(17), 7834-7841, 20000901
  37. Adenovirus-mediated interleukin-10 overexpression: Comparison between intraportal and intramuscular gene transfer., Transplantation Proceedings, 32(7), 2006, 20001101
  38. Conserved and non-conserved regions in the Sendai virus genome: evolution of a gene possessing overlapping reading frames., Virus Genes, 22(1), 47-52, 20010101
  39. Emergence of anti-inflammatory monocytes in long-term surviving hosts of IL-10-transduced liver allografts., Cytokine, 13(3), 183-187, 20010201
  40. Differential expression of CD45 isoforms in tolerant and rejecting rat liver transplant recipients., Transplantation Proceedings, 33(1-2), 544, 20010301
  41. Attenuation of a field Sendai virus isolate through egg-passages is associated with an impediment of viral genome replication in mouse respiratory cells., Archives of Virology, 146(5), 893-908, 20010501
  42. Matrix proteins of envelope viruses., Virus, 51(1), 11-19, 20010601
  43. Molecular and epidemiological analyses of human adenovirus type 7 strains isolated from the nationwide outbreak of 1995 in Japan., Journal of Clinical Microbiology, 40(1), 140-145, 20020101
  44. Alteration of Sendai virus morphogenesis and nucleocapsid incorporation due to mutation of cystein residues of the matrix protein., Journal of Virology, 76(4), 1682-1690, 20020201
  45. Mutational analysis of the Sendai virus V protein: Importance of the conserved residues for Zn binding, virus pathogenesis, and efficient RNA editing., Virology, 299(2), 172-181, 20020801
  46. Augmentation of local antitumor immunity in liver by interleukin-2 gene transfer via portal vein., Cancer Gene Therapy, 9(8), 655-664, 20020801
  47. Involvement of the leader sequence in Sendai virus pathogenesis revealed by recovery of a pathogenic field isolate from cDNA., Journal of Virology, 76(17), 8540-8547, 20020901
  48. Identification of mutations associated with attenuation of virulence of a field Sendai virus isolate by egg passage., Virus Genes, 25(2), 189-193, 20021001
  49. Masking of the contribution of V protein to Sendai virus pathogenesis in an infection model with a highly virulent field isolate., Virology, 313(2), 581-587, 20030901
  50. Safety and growth suppressive effect of intra-hepatic arterial injection of AdCMV p53 combine with CDDP to Rat liver metastatic tumors., Journal of Experimental & Clinical Cancer Research, 22(3), 339-406, 20030901
  51. Characterization of the amino acid residues of Sendai virus C protein that are critically involved in its interferon antagonism and RNA synthesis down-regulation., Journal of Virology, 78(14), 7443-7454, 20040701
  52. Paramyxovirus Sendai virus-like particle formation by expression multiple viral proteins and acceleration of its release by C protein., Virology, 325(1), 1-10, 20040701
  53. Generation of Sendai virus nucleocapsid-like particles in yeast., Virus Research, 108(1-2), 221-224, 20050301
  54. AIP1/Alix is a binding partner of Sendai virus C protein and facilitates virus budding., Journal of Virology, 79(14), 8933-8941, 20050715
  55. Cell-specific inhibition of paramyxovirus maturation by proteasome inhibitors., Microbiology and Immunology, 49(9), 835-844, 20050901
  56. Suppression of interferon-related promoter activation by hepatitis C virus proteins expressed in cultured cells., Hiroshima Journal of Medical Sciences, 55(3), 71-77, 20060901
  57. Gene delivery of paraoxonase-1 inhibits neointimal hyperplasia after arterial balloon-injury in rabbits fed a high-fat diet., Hypertension Research, 30(1), 85-91, 20070101
  58. Paramyxovirus Sendai virus V protein counteracts innate virus clearance through IRF-3 activation, but not via interferon, in mice., Virology, 359(1), 82-91, 20070301
  59. The YLDL sequence within Sendai virus m protein is critical for budding of virus-like particles and interacts with Alix/AIP1 independently of C protein., Journal of Virology, 81(5), 2263-2273, 20070401
  60. Paramyxovirus budding, Virus, 57(1), 1-7, 20070601
  61. Persistent and stable gene expression by a cytoplasmic RNA replicon based on a noncytopathic variant Sendai virus., Journal of Biological Chemistry, 282(37), 27383-27391, 20070914
  62. Recruitment of Alix/AIP1 to the plasma membrane by Sendai virus C protein facilitates budding of virus-like particles., Virology, 371(1), 108-120, 20080101
  63. Contribution of the leader sequence to homologous viral interference among Sendai virus strains., Virology, 372(1), 64-71, 20080301
  64. Paramyxovirus Sendai virus C proteins are essential for maintenance of negative-sense RNA genome in virus particles., Virology, 374(2), 495-505, 20080501
  65. Studies on the paramyxovirus accessory genes by reverse genetics in the Sendai virus?mouse system., Proceedings of the Japan Academy, Series B-Physical and Biological Sciences, 84(10), 439-451, 20090105
  66. Conserved charged amino acids within Sendai virus C protein play multiple roles in the evasion of innate immune responses., PLoS ONE, 5(5), e10719, 20100501
  67. Paramyxovirus assembly and budding: building particles that transmit infections., The International Journal of Biochemistry & Cell Biology, 42(9), 1416-1429, 20100901
  68. Significance of the YLDL motif in the M protein and Alix/AIP1 for Sendai virus budding in the context of virus infection., Virology, 405(2), 334-341, 20100901
  69. Oncolytic vesicular stomatitis virus administered by isolated limb perfusion suppresses osteosarcoma growth., Journal of Orthopaedic Research, 29(5), 795-800, 20110501
  70. Decreased expression in nuclear factor-kB essential modulator due to a novel splice-site mutation causes X-linked ectodermal dysplasia with immunodeficiency., Journal of Clinical Immunology, 31(5), 762-772, 20111001
  71. Analysis of interaction of Sendai virus V protein and melanoma differentiation-associated gene 5., Microbiology and Immunology, 55(11), 760-767, 20111101
  72. Optineurin with amyotrophic lateral sclerosis-related mutations abrogates inhibition of interferon regulatory factor-3 activation., Neuroscience Letters, 505(3), 279-281, 20111121
  73. Inhibition of interferon regulatory factor 3 activation by paramyxovirus V protein., Journal of Virology, 86(13), 7136-7145, 20120701
  74. Inhibition of virus-like particle release of Sendai virus and Nipah virus, but not that of mumps virus, by tetherin/CD317/BST-2., Hiroshima Journal of Medical Sciences, 61(3), 59-67, 20120901
  75. Passage of a Sendai virus recombinant in embryonated chicken eggs leads to markedly rapid accumulation of U-to-C transitions in a limited region of the viral genome., PLoS One, 7(11), 20121121
  76. Inactivation of pathogenic viruses by plant-derived tannins: strong effects of extracts from persimmon (Diospyros kaki) on a broad range of viruses., PLoS One, 8(1), 20130125
  77. The potential of recombinant vesicular stomatitis virus-mediated virotherapy against metastatic colon cancer., International Journal of Molecular Medicine, 31(2), 299-306, 20130201
  78. Clustered basic amino acids of the small Sendai virus C protein Y1 are critical to its Ran GTPase-mediated nuclear localization., PLoS One, 8(8), 20130809
  79. Sendai virus C proteins regulate viral genome and antigenome synthesis to dictate the negative genome polarity., Journal of Virology, 88(1), 690-698, 20140101
  80. Antimicrobial action from a novel porphyrin derivative in photodynamic antimicrobial chemotherapy in vitro., Lasers in Medical Science, 30(1), 383-387, 20150101
  81. Inactivation of acyclovir-sensitive and -resistant strains of herpes simplex virus type 1 in vitro by photodynamic antimicrobial chemotherapy., Molecular Vision, 21, 532-537, 20150502
  82. Structural Basis of the Inhibition of STAT1 Activity by Sendai Virus C Protein, Journal of Virology, 89(22), 11487-11499, 20151115
  83. IFN-beta-inducing, unusual viral RNA species produced by paramyxovirus infection accumulated into distinct cytoplasmic structures in an RNA-type-dependent manner, FRONTIERS IN MICROBIOLOGY, 6, 2015
  84. Entry Inhibition of Influenza Viruses with High Mannose Binding Lectin ESA-2 from the Red Alga Eucheuma serra through the Recognition of Viral Hemagglutinin, MARINE DRUGS, 13(6), 3454-3465, 2015
  85. High-Mannose Specific Lectin and Its Recombinants from a Carrageenophyta Kappaphycus alvarezii Represent a Potent Anti-HIV Activity Through High-Affinity Binding to the Viral Envelope Glycoprotein gp120, MARINE BIOTECHNOLOGY, 18(2), 215-231, 201604
  86. High-Mannose Specific Lectin and Its Recombinants from a Carrageenophyta Kappaphycus alvarezii Represent a Potent Anti-HIV Activity Through High-Affinity Binding to the Viral Envelope Glycoprotein gp120 (vol 18, pg 144, 2016), MARINE BIOTECHNOLOGY, 18(3), 448-448, 2016
  87. Nonstructural protein p39 of feline calicivirus suppresses host innate immune response by preventing IRF-3 activation, VETERINARY MICROBIOLOGY, 185, 62-67, 2016
  88. Temporal antimicrobial effect of photodynamic therapy with TONS504 on Pseudomonas aeruginosa, INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE, 57(12), 2016
  89. Airborne virus detection by a sensing system using a disposable integrated impaction device, JOURNAL OF BREATH RESEARCH, 10(3), 2016
  90. Structural analysis of the STAT1:STAT2 heterodimer revealed the mechanism of Sendai virus C protein-mediated blockade of type 1 interferon signaling, JOURNAL OF BIOLOGICAL CHEMISTRY, 292(48), 19752-19766, 20171201
  91. Inactivation of the influenza virus by a supplemental fermented plant product (Manda Koso)., Hiroshima Journal of Medical Sciences, 66(4), 97-101, 201712
  92. A Single Amino Acid Substitution within the Paramyxovirus Sendai Virus Nucleoprotein Is a Critical Determinant for Production of Interferon-Beta-Inducing Copyback-Type Defective Interfering Genomes, JOURNAL OF VIROLOGY, 92(5), 201805
  93. Rosmarinic acid is a novel inhibitor for Hepatitis B virus replication targeting viral epsilon RNA-polymerase interaction, PLOS ONE, 13(5), 20180521
  94. Time-dependent antimicrobial effect of photodynamic therapy with TONS 504 on Pseudomonas aeruginosa, LASERS IN MEDICAL SCIENCE, 33(7), 1455-1460, 201809
  95. Metastatic tumor cells detection and anti-metastatic potential with vesicular stomatitis virus in immunocompetent murine model of osteosarcoma, JOURNAL OF ORTHOPAEDIC RESEARCH, 36(9), 2562-2569, 201809
  96. Inactivation of human and avian influenza viruses by potassium oleate of natural soap component through exothermic interaction, PLOS ONE, 13(9), 20180927
  97. Eligibility of Feline Calicivirus for a Surrogate of Human Norovirus in Comparison with Murine Norovirus, Poliovirus and Coxsackievirus, BIOCONTROL SCIENCE, 23(3), 145-149, 201809
  98. Novel Near-Infrared Fluorescence-Guided Surgery With Vesicular Stomatitis Virus for Complete Surgical Resection of Osteosarcomas in Mice, JOURNAL OF ORTHOPAEDIC RESEARCH, 37(5), 1192-1201, 201905
  99. Antifungal efficacy of photodynamic therapy with TONS 504 for pathogenic filamentous fungi, LASERS IN MEDICAL SCIENCE, 34(4), 743-747, 201906
  100. Development of new concept viral vectors exerting both vaccine and adjuvant activities., IMPACT, 2019(7), 9-11, 2019,8

Publications such as books

  1. 1997/12, Medical aspects of proteases and protease inhibitors., Cyclic AMP-inducible procalcitonin processing in thyroidal parafollicular cells is regulated by the Kexin family protease., IOS press, 1997, 12, English, Nagamune H, Muramatsu K, Higashine M, Akamatsu T, Tamai Y, Yonetomi Y, Tsuji A, Izumi K, Sakaguchi T, Yoshida T, Matsuda Y., 978-90-5199-292-2, 206, 12, 22-33
  2. 2001/06, Recent Research Developments in Virology, Functional divergence of the Paramyxovirinae accessory proteins: the V and C proteins, Transworld Research Network, 2001, 6, English, Sakaguchi T, Huang C, Kiyotani K, Yoshida T. , 81-86846-99-9, 386, 11, 341-348
  3. 2011/04, Simple Microbiology Ver. 5, D. Filoviridae, E. Bunyaviridae, F. Arenaviridae., Nankoudo, 2011, 4, Japanese, Sakaguchi T., 978-4-524-26207-6, 436, 6, 297-302
  4. 2011/08, Negative Strand RNA virus, Paramyxovirus budding mechanisms., World Scientific Hackensack, NJ., 2011, 8, English, Harrison MS, Sakaguchi T, Schmitt AP., 981-4317-22-5, 314, 26, 193-218
  5. 2012/10, Review of Medical Microbiology and Immunology, Eleventh Edition, Warren Levinson, McGraw-Hill Medical (2010/5/19), ISBN: 978-0071700283, Chapter 39, RNA envelope viruses., Maruzen, 2012, 10, Japanese, Sakaguchi T., 462108562X, 704, 19, 268-286
  6. 2018/03, Simple Microbiology Ver. 6, D. Filoviridae, E. Bunyaviridae, F. Arenaviridae, Nankodo, 2018, 3, Japanese, Sakaguchi, T., 978-4-524-25483-5

Patented

  1. Patent, JP4830075, 2011/09/30
  2. Patent, JP4848484, 2011/10/28
  3. Patent, JP5421901, 2013/11/29
  4. Patent, JP5571577, 2014/07/04
  5. Patent, JP5593572, 2014/08/15
  6. Patent, RU:2491929, 2013/09/10
  7. Patent, CN:ZL201080016783.2, 2013/11/20
  8. Patent, KR:10-1426744, 2014/07/30