Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657627 | Air-fuel ratio control system for internal combustion engines | Shusuke Akazaki, Kotaro Miyashita, Yoshihisa Hara | 1997-08-19 |
| 5638792 | Control system for internal combustion engines | Yoshikazu Oshima | 1997-06-17 |
| 5629853 | Fuel injection control system for internal combustion engines | Kei Machida | 1997-05-13 |
| 5615550 | Air-fuel ratio control system for internal combustion engines | Yasunori Ehara | 1997-04-01 |
| 5609135 | Control system for internal combustion engines | Toshiyuki Nishida | 1997-03-11 |
| 5596956 | Electromagnetically driven valve control system for internal combustion engines | Kei Machida, Hiroshi Sono | 1997-01-28 |
| 5572978 | Fuel injection control system for internal combustion engines | — | 1996-11-12 |
| 5509389 | Ignition timing control system for internal combustion engines | Yoshikazu Oshima, Toshiyuki Nishida | 1996-04-23 |
| 5494019 | Control system for internal combustion engines | — | 1996-02-27 |
| 5483935 | Control system for internal combustion engines | Yoshikazu Oshima, Yasunori Ehara, Kei Machida, Atsushi Kato | 1996-01-16 |
| 5483938 | Air-fuel ration control system for internal combustion engines | Yoshikazu Oshima | 1996-01-16 |
| 5473889 | Air-fuel ratio control system for internal combustion engines | Yasunori Ehar, Joji Hijikata | 1995-12-12 |
| 5426935 | Air-fuel ratio control system for internal combustion engines | Yasunori Ehara | 1995-06-27 |
| 5426938 | Control system for internal combustion engines | Yoshikazu Oshima, Yasunori Ehara, Kei Machida, Atsushi Kato | 1995-06-27 |
| 5386694 | Control system for internal combustion engines | Yasunori Ehara, Kei Machida | 1995-02-07 |
| 5383126 | Control system for internal combustion engines with exhaust gas recirculation systems | Yoshihisa Hara, Kotaro Miyashita, Kei Machida | 1995-01-17 |
| 5357754 | Catalyst deterioration-detecting device for internal combustion engines | Atsushi Kato, Yoshikazu Oshima | 1994-10-25 |
| 5353773 | Air-fuel ratio control system for internal combustion engines | Yoshikazu Oshima, Kei Machida | 1994-10-11 |
| 5343846 | Control system for internal combustion engines | Yoshikazu Oshima | 1994-09-06 |
| 5261370 | Control system for internal combustion engines | Kei Machida | 1993-11-16 |
| 5215061 | Control system for internal combustion engines | Kotaro Miyashita, Yoshihisa Hara | 1993-06-01 |
| 4593986 | Apparatus for developing or peeling alkali-type photosensitive film | Yoshiaki Tomisawa, Seiji Kinoda, Eiji Fujita, Masanori Murata, Toshio Takeuchi | 1986-06-10 |
| 4517282 | Process for developing or peeling alkali-type photosensitive film and apparatus used therein | Yoshiaki Tomisawa, Seiji Kinoda, Eiji Fujita, Masanori Murata, Toshio Takeuchi | 1985-05-14 |