Hiroyuki Okamura

Last Updated :2025/07/05

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
E-mail
okamuhiroshima-u.ac.jp
Self-introduction
Reliability Engineering, Software Reliability, Stochastic Model

Basic Information

Major Professional Backgrounds

  • 1997/04/01, 1998/09/30, CSK Corporation, Regular Employee
  • 1998/10/01, 2001/03/31, Hiroshima University, School of Engineering, Assistant
  • 2001/04/01, 2003/03/31, Hiroshima University, Graduate School of Engineering, Assistant
  • 2003/04/01, 2007/03/31, Hiroshima University, Graduate School of Engineering, Assistant Professor
  • 2007/04/01, 2018/03/31, Hiroshima University, Graduate School of Engineering, Associate Professor
  • 2018/04/01, 2020/03/31, Hiroshima University, Graduate School of Engineering, Professor
  • 2020/04/01, Hiroshima University, Graduate School of Advanced Science and Engineering, Professor

Educational Backgrounds

  • Hiroshima University, Faculty of Engineering, Japan, 1991/04, 1995/03
  • Hiroshima University, Graduate School, Division of Engineering, Japan, 1995/04, 1997/03

Academic Degrees

  • Doctor of Engineering, Hiroshima University
  • Master of Engineering, Hiroshima University

Research Fields

  • Informatics;Principles of Informatics;Mathematical informatics
  • Complex systems;Social / Safety system science;Social systems engineering / Safety system

Research Keywords

  • Stochastic Model
  • Performance Analysis
  • Reliability Engineering
  • Software Reliability Engineering
  • Operations Research

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2025, Graduate Education (Master's Program) , 2Term, Introduction to Informatics I
  2. 2025, Graduate Education (Master's Program) , 4Term, Introduction to Informatics II
  3. 2025, Undergraduate Education, Intensive, Basics of Data Engineering
  4. 2025, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  5. 2025, Undergraduate Education, 4Term, Numerical Computation
  6. 2025, Undergraduate Education, 2Term, Software Engineering I
  7. 2025, Undergraduate Education, Intensive, Long-term Fieldwork II
  8. 2025, Undergraduate Education, 1Term, Computer Science Seminar I
  9. 2025, Undergraduate Education, 2Term, Computer Science Seminar II
  10. 2025, Undergraduate Education, Second Semester, Graduation Thesis
  11. 2025, Graduate Education (Master's Program) , 1Term, Special Exercises on Informatics and Data Science A
  12. 2025, Graduate Education (Master's Program) , 2Term, Special Exercises on Informatics and Data Science A
  13. 2025, Graduate Education (Master's Program) , 3Term, Special Exercises on Informatics and Data Science B
  14. 2025, Graduate Education (Master's Program) , 4Term, Special Exercises on Informatics and Data Science B
  15. 2025, Graduate Education (Master's Program) , Year, Special Study on Informatics and Data Science
  16. 2025, Graduate Education (Master's Program) , 2Term, Advanced Software Engineering
  17. 2025, Graduate Education (Master's Program) , Intensive, AIOps Lab B
  18. 2025, Graduate Education (Master's Program) , Intensive, Internship
  19. 2025, Graduate Education (Doctoral Program) , Year, Special Study on Informatics and Data Science

Research Activities

Publications such as books

  1. 2022/07, System Dependability and Analytics, Effect of Epistemic Uncertainty in Markovian Reliability Models, Springer, 2022, 7, Scholarly Book, Contributor, English, Okamura, H., Zheng, J., Dohi, T., Trivedi, K.S., 371–392
  2. 2016/04/14, Principles of Performance and Reliability Modeling and Evaluation, Fitting phase-type distributions and Markovian arrival processes: Algorithms and tools, Springer, 2016, 4, Scholarly Book, Joint work, 英語, H. Okamura and T. Dohi, 49-75, Chapter 3
  3. 2016/12, Advances in Reliability and System Engineering, Connectivity-based survivability analysis with border effects for wireless ad hoc network, Springer, 2016, 12, Scholarly Book, Joint work, 英語, Z. Yi, T. Dohi and H. Okamura, 53-86
  4. 2017/05, Mathematics Applied to Engineering, Quantitative security evaluation of an intrusion tolerant system, Elsevier, 2017, 5, Scholarly Book, Joint work, H. Okamura, T. Dohi, 21-54
  5. 2017/08, Reliability Modeling with Applications, Confidence intervals in optimal checkpoint placement, World Scientific, 2017, 8, Scholarly Book, Joint work, S. Tokumoto, T. Dohi, H. Okamura, W. Y. Yun, 79-99

Awards

  1. 2004/02, "The IEEE Reliability Society Japan Chapter, Outstanding Young Scientist Award", IEEE Reliability Society Japan Chapter