Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34257 | Crank angle detecting system for engines | Masafumi Nishiyama, Katsuyuki Nakamura, Kazuhiro Ishigami | 1993-05-18 |
| 4829960 | Engine idle control system for internal combustion engine | Yasuo Seimiya | 1989-05-16 |
| 4768487 | Internal combustion engine intake passage | Yasuji Yamamoto, Teruyoshi Nishihara | 1988-09-06 |
| 4747389 | Crank angle detecting system for engines | Masafumi Nishiyama, Katsuyuki Nakamura, Kazuhiro Ishigami | 1988-05-31 |
| 4656993 | Crank angle detecting system for engines | Masafumi Nishiyama, Katsuyuki Nakamura, Kazuhiro Ishigami | 1987-04-14 |
| RE32030 | Closed loop controlled auxiliary air delivery system for internal combustion engine | Tsuneomi Yano | 1985-11-12 |
| 4517945 | Engine vibration transmission structure | Kazuhiro Ishigami, Shoji Furuhashi | 1985-05-21 |
| 4505248 | Hot-wire air flowmeter control system for engine | Kazuhiro Sunamura | 1985-03-19 |
| 4468950 | Engine vibration transmission structure | Kazuhiro Ishigami | 1984-09-04 |
| 4274385 | Exhaust gas recirculation system for internal combustion engine | Tsuneomi Yano | 1981-06-23 |
| 4257381 | Exhaust gas recirculation system controlled by a microcomputer for an internal combustion engine | Tsuneomi Yano | 1981-03-24 |
| 4240145 | Closed loop controlled auxiliary air delivery system for internal combustion engine | Tsuneomi Yano | 1980-12-16 |