Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677484 | Fuel reformer for internal-combustion engine | Hiroyuki Inuzuka, Takeshi Mizobuchi | 2017-06-13 |
| 7143753 | Air amount calculator for internal combustion engine | Makoto Tanaka | 2006-12-05 |
| 7047740 | Boost pressure estimation apparatus for internal combustion engine with supercharger | Osamu Fukasawa | 2006-05-23 |
| 7024304 | Diagnosis system for variable valve controller | Osamu Fukasawa | 2006-04-04 |
| 5080065 | Air intake control system for an internal combustion engine | Yurio Nomura, Tokio Kohama, Hiroyuki Aota, Toshikazu Ina | 1992-01-14 |
| 4858568 | Intake apparatus for internal combustion engine | Yoshitaka Nishio, Tokio Kohama, Hiroyuki Goto | 1989-08-22 |
| 4796584 | Intake control system for internal combustion engine and intake control valve used therein | Hiroyuki Goto, Tokio Kohama, Yoshitaka Nishio, Kazuyuki Horie | 1989-01-10 |
| 4739483 | Automatic transmission control system for an automobile | Toshikazu Ina, Hisasi Kawai, Syuzaburo Tashiro, Tokio Kohama | 1988-04-19 |
| 4691286 | Method and apparatus for detecting combustion variations in internal combustion engine | Hisasi Kawai, Toshikazu Ina, Takashi Shigematsu, Setsuo Tokoro, Tokio Kohama | 1987-09-01 |
| 4624232 | Apparatus for controlling air-fuel ratio in internal combustion engine | Kimitaka Saito, Kenzi Iwamoto, Takeshi Matuyama | 1986-11-25 |
| 4592241 | Torque detector | Tokio Kohama, Toshikazu Ina, Seiichi Narita | 1986-06-03 |
| 4562818 | Method and apparatus for controlling the air-fuel ratio in an internal combustion engine | Tokio Kohama, Hisasi Kawai, Toshikazu Ina, Takashi Shigematsu, Setsuo Tokoro | 1986-01-07 |
| 4550618 | Torque detector | Tokio Kohama, Toshikazu Ina, Seiichi Narita | 1985-11-05 |
| 4532798 | Measurement of variations in internal combustion engine output | Tokio Kohama, Hisasi Kawai, Toshikazu Ina, Takashi Shigematsu, Setsuo Tokoro | 1985-08-06 |
| 4517648 | Torque variation detecting method and apparatus for internal combustion engine | Toshikazu Ina, Hisasi Kawai, Tokio Kohama, Daisaku Sawada, Takashi Shigematsu | 1985-05-14 |
| 4513721 | Air-fuel ratio control device for internal combustion engines | Toshikazu Ina, Hisasi Kawai, Tokio Kohama, Daisaku Sawada, Takashi Shigematsu | 1985-04-30 |
| 4513626 | Torque detector | Tokio Kohama, Kimitaka Saito, Hisasi Kawai, Toshikazu Ina | 1985-04-30 |
| 4513627 | Torque detector | Tokio Kohama, Kimitaka Saito, Toshikazu Ina, Seiichi Narita | 1985-04-30 |
| 4513628 | Torque detector | Tokio Kohama, Toshikazu Ina, Seiichi Narita | 1985-04-30 |
| 4503713 | Dual sensitivity torque detector | Tokio Kohama, Kimitaka Saito, Hisasi Kawai, Toshikazu Ina | 1985-03-12 |
| 4489695 | Method and system for output control of internal combustion engine | Tokio Kohama, Seizi Huzino, Hisasi Kawai, Tsuneyuki Egami | 1984-12-25 |
| 4478185 | Air-fuel ratio and ignition timing regulation by detecting engine running condition | Tokio Kohama, Hisasi Kawai, Toshikazu Ina, Daisaku Sawada, Takashi Shigematsu | 1984-10-23 |
| 4471655 | Gas flow rate measuring apparatus | Tokio Kohama, Hisasi Kawai, Tsuneyuki Egami | 1984-09-18 |
| 4437345 | Gas flow measuring device | Tsuneyuki Egami, Hisasi Kawai, Tokio Kohama | 1984-03-20 |
| 4434767 | Output control system for multicylinder internal combustion engine | Tokio Kohama, Seizi Huzino, Hisasi Kawai, Tsuneyuki Egami | 1984-03-06 |