Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107802 | Valve driving mechanism for internal combustion engines | Shoichi Honda, Takashi Inagaki, Youichi Ishibashi, Kenji Nishida | 1992-04-28 |
| 5074260 | Valve driving device and valve driving method for internal combustion engine | Youichi Ishibashi, Hiroshi Sono | 1991-12-24 |
| 4846128 | Ignition timing control system for internal combustion engine | Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Haruhiko Yoshikawa, Kenichi Nakamura | 1989-07-11 |
| 4748952 | Ignition timing control system for internal combustion engine | Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Haruhiko Yoshikawa, Kenichi Nakamura | 1988-06-07 |
| 4745902 | Ignition timing control method for internal combustion engine | Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Haruhiko Yoshikawa, Kenichi Nakamuna | 1988-05-24 |
| 4741310 | Ignition timing control system for internal combustion engine | Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Haruhiko Yoshikawa, Kenichi Nakamura | 1988-05-03 |
| 4709678 | Uncertainty detector in feed-back control system based on combustion peak position data for internal combustion engine and ignition timing control having particular detector | Makoto Kawai, Yorihisa Yamamoto | 1987-12-01 |
| 4694799 | Ignition timing control system for internal combustion engines | Yoshiaki Hirosawa, Makoto Kawai, Isao Fujii | 1987-09-22 |
| 4596214 | Combustion chamber system for kerosine internal combustion engine | Junji Ootani, Masafumi Araki, Fumihiko Yoshida | 1986-06-24 |
| 4494504 | Stratified burn internal combustion engine | Junji Otani, Isao Fujii, Hiroshi Kogure | 1985-01-22 |
| 4489686 | Torch ignition type internal combustion engine | Isao Fujii, Yoshio Ajiki | 1984-12-25 |
| 4317438 | High power output engine | Junji Otani, Yasuo Ikenoya, Hiroshi Kogure | 1982-03-02 |
| RE30844 | Run-on prevention device for internal combustion engines | Minoru Atsumi | 1982-01-12 |
| 4182286 | Tapered torch passage construction for internal combustion | Isao Fujii, Atsushi Tanaka | 1980-01-08 |
| 4182287 | Torch passage construction for stratified charge engine | Isao Fujii, Masayasu Nishikawa | 1980-01-08 |
| 4182284 | Divided auxiliary combustion chamber for internal combustion spark ignition engines | Isao Fujii, Hiroshi Kogure | 1980-01-08 |
| 4182285 | Cylindrical torch passage construction for internal combustion engine | Isao Fujii, Masayasu Nishikawa | 1980-01-08 |
| 4181102 | Divided auxiliary combustion chamber for internal combustion engine | Hiroshi Kogure, Saburo Matsuoka | 1980-01-01 |