Hiroyuki Okamura

Last Updated :2026/04/03

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. 2026, Graduate Education (Master's Program) , 2Term, Introduction to Informatics I
  2. 2026, Graduate Education (Master's Program) , 4Term, Introduction to Informatics II
  3. 2026, Graduate Education (Doctoral Program) , 4Term, Pattern Recognition and Machine Learning
  4. 2026, Undergraduate Education, Intensive, Basics of Data Engineering
  5. 2026, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  6. 2026, Undergraduate Education, 4Term, Numerical Computation
  7. 2026, Undergraduate Education, 1Term, Information Processing and Industry
  8. 2026, Undergraduate Education, 3Term, Data Science and Management
  9. 2026, Undergraduate Education, 1Term, Frontier of Informatics and Data Science
  10. 2026, Undergraduate Education, Intensive, Research Project
  11. 2026, Undergraduate Education, 2Term, Informatics and Data Science Exercise II
  12. 2026, Undergraduate Education, 2Term, Software Engineering I
  13. 2026, Undergraduate Education, Intensive, Long-term Fieldwork I
  14. 2026, Undergraduate Education, Intensive, Long-term Fieldwork II
  15. 2026, Undergraduate Education, 1Term, Computer Science Seminar I
  16. 2026, Undergraduate Education, 2Term, Computer Science Seminar II
  17. 2026, Undergraduate Education, 1Term, Data Science Seminar I
  18. 2026, Undergraduate Education, 2Term, Data Science Seminar II
  19. 2026, Undergraduate Education, 1Term, Intelligence Science Seminar I
  20. 2026, Undergraduate Education, 2Term, Intelligence Science Seminar II
  21. 2026, Undergraduate Education, Second Semester, Graduation Thesis
  22. 2026, Graduate Education (Master's Program) , 1Term, Special Exercises on Informatics and Data Science A
  23. 2026, Graduate Education (Master's Program) , 2Term, Special Exercises on Informatics and Data Science A
  24. 2026, Graduate Education (Master's Program) , 3Term, Special Exercises on Informatics and Data Science B
  25. 2026, Graduate Education (Master's Program) , 4Term, Special Exercises on Informatics and Data Science B
  26. 2026, Graduate Education (Master's Program) , Year, Special Study on Informatics and Data Science
  27. 2026, Graduate Education (Master's Program) , Intensive, AIOps Lab B
  28. 2026, Graduate Education (Master's Program) , Intensive, Internship
  29. 2026, 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