Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5941201 | Valve operating system in internal combustion engine | Yasuo Shimizu, Kenji Hirose, Atsushi Umemoto, Kouichi Ikoma | 1999-08-24 |
| 5939625 | Fault diagnosis method and apparatus for control system | Kenji Torii, Hidetaka Ozawa, Masaki Ueyama | 1999-08-17 |