Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5765372 | Lean burn engine for automobile | Noriaki Mitobe, Isao Shimizu, Kunitomo Minamitani, Yasuyoshi Hori, Futoshi Nishioka +4 more | 1998-06-16 |
| 4646522 | Knock control system for supercharged engine | Kiyotaka Mamiya, Tadashi Kaneko, Hirofumi Nishimura | 1987-03-03 |
| 4552112 | Valve timing control for internal combustion engines | Akihito Nagao, Kouichi Takahashi, Shunji Masuda, Toshio Nishikawa | 1985-11-12 |
| 4485625 | Control means for internal combustion engines | Shoso Ishii, Yoshikuni Yada, Shigeki Imazu | 1984-12-04 |
| 4390001 | Exhaust gas recirculation system for internal combustion engines | — | 1983-06-28 |