Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966117 | System and method for controlling ignition timing for vehicular internal combustion engine | — | 1990-10-30 |
| 4924836 | Air/fuel ratio control system for internal combustion engine with correction coefficient learning feature | Masaaki Uchida, Hideki Uema, Hiromichi Miwa | 1990-05-15 |
| 4901699 | System for controlling a fuel injection quantity and method therefor | Hiromichi Miwa, Masaaki Uchida | 1990-02-20 |
| 4825833 | Engine control apparatus | Kenji Ikeura, Masami Nagano, Seiji Suda | 1989-05-02 |
| 4821194 | Cylinder combustion monitoring apparatus | — | 1989-04-11 |
| 4788092 | Disc-shaped magnetic recording medium | Ryoji Chubachi, Nobuyuki Nihei | 1988-11-29 |
| 4753200 | Engine combustion control system | Yasuo Nakajima | 1988-06-28 |
| 4750103 | System and method for detecting and controlling knocking in an internal combustion engine | Toshimi Abo, Hiroyuki Naito, Hatsuo Nagaishi, Kunifumi Sawamoto, Tatsuo Morita | 1988-06-07 |
| 4732126 | Fuel control system for internal combustion engines | Kenji Ikeura, Takeshi Atago, Yasunori Mouri | 1988-03-22 |
| 4676209 | Transfer passage arrangement for diesel engine having swirl chamber | Yukihiro Etoh, Kunihiko Sugihara, Giichi Shioyama, Toshiaki Tanaka | 1987-06-30 |
| 4672566 | Device for measuring variable with automatic compensation for offset | Masaharu Asano, Koyo Nakamura | 1987-06-09 |
| 4669440 | Fuel injection detecting system for a diesel engine | Sadao Takase, Toyoaki Nakagawa | 1987-06-02 |
| 4662330 | Diesel engine having swirl chamber and shaped flame dispersing recess in piston crown | Giichi Shioyama, Kunihiko Sugihara, Yukihiro Etoh, Toshiaki Tanaka | 1987-05-05 |
| 4654260 | Magnetic recording medium | Ryoji Chubachi, Masashi Somezawa | 1987-03-31 |
| 4640249 | System for controlling an ignition timing in an internal combustion engine and method therefor | Shuzo Fukuzumi | 1987-02-03 |
| 4609292 | Device and method for measuring a temperature difference | Masaharu Asano, Toyoaki Nakagawa | 1986-09-02 |
| 4531488 | Fuel injection pump for an internal combustion engine | Toshiaki Tanaka | 1985-07-30 |
| 4501140 | Fuel injection rate deducing system for a diesel engine | Toyoaki Nakagawa, Masao Nakajima, Nobukazu Kanesaki | 1985-02-26 |
| 4493302 | Fuel injection timing control system for an internal combustion engine | — | 1985-01-15 |
| 4471653 | Crank angle detecting device for an internal combustion engine and detecting method therefor | Toyoaki Nakagawa | 1984-09-18 |
| 4466416 | Exhaust gas recirculation control method and apparatus for a diesel engine | — | 1984-08-21 |
| 4456831 | Failsafe for an engine control | Hidetoshi Kanegae, Masao Nakajima, Seishi Yasuhara | 1984-06-26 |
| 4453379 | Exhaust gas recirculation system for an internal combustion engine | Kichihiko Dozono | 1984-06-12 |
| 4452217 | Exhaust gas recirculation control system for a diesel engine and control method therefor | Giichi Shioyama, Toyoaki Nakagawa, Masao Nakajima | 1984-06-05 |
| 4446840 | Exhaust gas recirculation control system for internal combustion engine | Toyoaki Nakagawa, Masao Nakajima, Giichi Shioyama | 1984-05-08 |