Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7524106 | Abnormality diagnosis apparatus and method for water temperature sensor | Norikazu Higashiyama, Koichi Mizutani | 2009-04-28 |
| 7139658 | Apparatus detecting abnormality of exhaust system of internal combustion engine | — | 2006-11-21 |
| 5307783 | Boost pressure control system for an engine | Hidemi Ohnaka, Michio Furuhashi, Yasuhiro Ooi | 1994-05-03 |
| 5154155 | Boost pressure control system for a supercharged engine | Hidemi Ohnaka, Masaaki Tanaka, Yuuichi Kato, Michio Furuhashi, Yasuhiro Ooi | 1992-10-13 |
| 5150693 | Boost pressure control system for a supercharged engine | Hidemi Ohnaka, Masaaki Tanaka, Yuuichi Kato, Michio Furuhashi, Yasuhiro Ooi | 1992-09-29 |
| 4819601 | Diagnostic system of an air-fuel ratio control device | Kenichi Harada, Nobuki Uchitani, Tatuyoshi Kamohara, Takashi Kato | 1989-04-11 |