Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7721528 | Exhaust gas purifying apparatus for internal combustion engine | Akira Odajima, Yoshitaka Takasuka, Atsushi Izumiura, Hiroshi Nagashima, Kiyoshi Saito | 2010-05-25 |
| 6866021 | Throttle opening control system for internal combustion engine | Yukio Miyashita, Katsuji Wada | 2005-03-15 |
| 6442458 | Method and apparatus for diagnosing a vehicle | Hiroshi Kubo, Masato Kodani | 2002-08-27 |
| 6240774 | System for detecting malfunction of internal combustion engine radiator | Manabu Niki, Takashi Isobe, Akira Hashimoto | 2001-06-05 |
| 5906184 | Fault deciding system for idle revolution controlling unit | Hiroshi Maruyama, Shigeto Kashiwabara | 1999-05-25 |
| 5065705 | System for preventing overheat of engine for vehicle | Sachito Fujimoto | 1991-11-19 |
| 4996954 | Method for detecting an irregularity in valve-timing changeover in an engine | Yasunari Seki, Takashi Sato, Masatoshi Obata | 1991-03-05 |
| 4966110 | Intake air flow control apparatus of internal-combustion engine | Yasunari Seki, Yosuke Tachibana, Kiyoshi Tsukimura | 1990-10-30 |
| 4960095 | Knocking control system for internal combustion engines | Tsao Yahata | 1990-10-02 |
| 4960094 | Knocking control system for internal combustion engines | Yukio Miyashita, Yoshiaki Akimoto, Yasunari Seki, Isao Yahata | 1990-10-02 |
| 4877006 | Air-fuel ratio control method for internal combustion engines | Kunio Noguchi, Kazushige Toshimits | 1989-10-31 |
| 4819604 | Fuel supply control method for internal combustion engines | Kiyoshi Tsukimura | 1989-04-11 |
| 4768486 | Fuel supply control system for internal combustion engine | Kiyoshi Tsukimura | 1988-09-06 |
| 4765301 | Fuel supply control method for internal combustion engines after starting | Takafumi Nishikawa | 1988-08-23 |
| 4751650 | Fuel supply control method for internal combustion engines in high load operating conditions | Yoshio Wazaki, Akihiko Koike | 1988-06-14 |
| 4681075 | Idling speed feedback control method for internal combustion engines | Akihiro Yamato, Kyozo Futa | 1987-07-21 |
| 4640244 | Idling speed feedback control method for internal combustion engines | Akihiko Koike, Masayuki Ueno | 1987-02-03 |
| 4589390 | Air-fuel ratio feedback control method for internal combustion engines | Yoshio Wazaki, Akihiko Koike | 1986-05-20 |