Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377110 | Control system for controlling the output power of a power train | — | 1994-12-27 |
| 5195470 | Variable cam engine | — | 1993-03-23 |
| 5158057 | System and method for controlling ignition timing to suppress engine knocking using periodic pseudo random signal | Masaaki Saito, Nobuo Kurihara | 1992-10-27 |
| 5143030 | Variable cam engine | — | 1992-09-01 |
| 5140961 | System and method for self diagnosing an engine control system | Kunifumi Sawamoto, Masaaki Saito, Nobuo Kurihara | 1992-08-25 |
| 5078112 | Apparatus and method for improving the jolt control in a motor vehicle drive system | — | 1992-01-07 |
| 4942771 | Magnetostriction type torque sensor | Masaki Sugimoto, Kunihiko Morikawa, Nobuteru Hitomi, Hisashi Kitahara, Hiroyuki Hirano +1 more | 1990-07-24 |
| 4887461 | Magnetostriction type torque sensor | Masaki Sugimoto, Nobuteru Hitomi, Hiroyuki Hirano, Kunihiko Morikawa, Hisashi Kitahara +1 more | 1989-12-19 |
| 4825833 | Engine control apparatus | Yoshihisa Kawamura, Masami Nagano, Seiji Suda | 1989-05-02 |
| 4732126 | Fuel control system for internal combustion engines | Yoshihisa Kawamura, Takeshi Atago, Yasunori Mouri | 1988-03-22 |
| 4545348 | Idle speed control method and system for an internal combustion engine | — | 1985-10-08 |
| 4450814 | Air-fuel ratio control apparatus and method for an internal combustion engine with a turbocharger | Kunifumi Sawamoto, Tatsuo Morita, Hiroshi Yamaguchi | 1984-05-29 |
| 4445477 | Method and apparatus for ignition system spark timing control during no-load engine operation | — | 1984-05-01 |
| 4439833 | Method and apparatus for detecting the gear position of transmission | Hiroshi Yamaguchi | 1984-03-27 |
| 4438748 | Method of supplying fuel to an internal combustion engine during start-up | Hiroshi Yamaguchi, Kunifumi Sawamoto, Tatsuo Morita | 1984-03-27 |
| 4416234 | Ignition system spark timing control during engine cranking | — | 1983-11-22 |
| 4406261 | Intake air flow rate control system for an internal combustion engine of an automotive vehicle | — | 1983-09-27 |
| 4406262 | Engine idling speed control system and method for an internal combustion engine | — | 1983-09-27 |
| 4402289 | Idle speed control method and system for an internal combustion engine | — | 1983-09-06 |
| 4401087 | Method and apparatus for engine control | — | 1983-08-30 |
| 4395984 | Electronic fuel supply control system for internal combustion engines | Hiroshi Yamaguchi | 1983-08-02 |
| 4387681 | Fuel supply control system for an internal combustion engine | Tatsuo Morita | 1983-06-14 |
| 4378770 | Method and apparatus for ignition system spark timing control during engine cranking | — | 1983-04-05 |
| 4371050 | Fuel-cut control apparatus | — | 1983-02-01 |
| 4367711 | Method and apparatus for ignition system spark timing control within warm-up period of the engine | — | 1983-01-11 |