Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951642 | Combustion chamber of internal combustion engine | Noboru Hashimoto, Yasuhiro Yuzuriha, Tsugio Fukube | 1990-08-28 |
| 4932378 | Intake system for internal combustion engines | Mitsuo Hitomi, Yasuhiro Yuzuriha, Junso Sasaki | 1990-06-12 |
| 4829941 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Junso Sasaki, Yasuhiro Yuzuriha | 1989-05-16 |
| 4763629 | Air-fuel ratio control system for engine | Katsuhiko Yokooku, Tomomi Watanabe, Tadataka Nakazumi, Kiyotaka Mamiya | 1988-08-16 |
| 4714063 | Intake system for internal combustion engine | Hiroyuki Oda, Akihito Nagao, Masanori Misumi, Akinori Yamashita | 1987-12-22 |
| 4669439 | Air-to-fuel ratio control systems for internal combustion engines | Kiyotaka Mamiya, Toshiyuki Terashita, Tadataka Nakazumi | 1987-06-02 |
| 4385607 | Automobile ignition timing control system | Yoshinori Honiden | 1983-05-31 |