Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224454 | Air-fuel ratio feedback control method for internal combustion engines | Kunio Noguchi, Hironao Fukuchi | 1993-07-06 |
| 5220904 | Air-fuel ratio control system for internal combustion engines | Hiroshi Mifune, Atsushi Matsubara | 1993-06-22 |
| 5209213 | Air-fuel ratio control method for internal combustion engines | Kunio Noguchi, Hironao Fukuchi | 1993-05-11 |
| 5199409 | Air/fuel ratio control system for internal combustion engine | Hiroshi Ohno, Shinichi Kubota | 1993-04-06 |
| 5186155 | Air-fuel ratio control method for internal combustion engines | Hiroshi Mifune, Kunio Noguchi, Hironao Fukuchi | 1993-02-16 |
| 5179929 | Method of detecting deterioration of exhaust gas ingredient concentration sensor | Hiroshi Ohno, Kunio Noguchi, Hironao Fukuchi | 1993-01-19 |
| 5165381 | Air-fuel ratio control method for internal combustion engines | Hiroshi Ohno | 1992-11-24 |
| 5165378 | Ignition timing control system for internal combustion engine | — | 1992-11-24 |
| 5144931 | Air-fuel ratio control method for internal combustion engines | Hiroshi Mifune, Atsushi Matsubara, Kunio Noguchi | 1992-09-08 |
| 5144932 | Air-fuel ratio control method for internal combustion engines | Hiroshi Mifune, Atsushi Matsubara | 1992-09-08 |
| 5144934 | Air-fuel ratio control method for internal combustion engines | Hiroshi Mifune, Atsushi Matsubara | 1992-09-08 |
| 5131369 | Ignition timing control system for internal combustion engine | Masaki Kanehiro, Yoshiaki Akimoto | 1992-07-21 |
| 4960094 | Knocking control system for internal combustion engines | Yuzuru Koike, Yoshiaki Akimoto, Yasunari Seki, Isao Yahata | 1990-10-02 |
| 4774920 | Idling speed control system for internal combustion engines | Hiroshi Hasebe, Masahiko Asakura, Michio Sakaino | 1988-10-04 |
| 4753202 | Idling speed control system for internal combustion engines | Hiroshi Hasebe, Masahiko Asakura, Michio Sakaino | 1988-06-28 |
| 4750461 | Idling speed control system for internal combustion engines | Hiroshi Hasebe, Masahiko Asakura, Michio Sakaino | 1988-06-14 |
| 4693220 | Idling speed control system for internal combustion engines | Hiroshi Hasebe, Masahiko Asakura, Michio Sakaino | 1987-09-15 |