Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239951 | Apparatus for automatically adjusting direction of light axis of vehicle headlight | Toshio Sugimoto, Ayako Goto | 2007-07-03 |
| 6778892 | Vehicle headlamp optical axis control system | Yasutoshi Horii | 2004-08-17 |
| 4624234 | Electronic ignition timing adjusting system for internal combustion engines | Hisakazu Koketsu, Toshihiro Saga, Toshitaka Yamada, Tiaki Mizuno | 1986-11-25 |
| 4285319 | Air flow amount adjusting system for an internal combustion engine | Tadashi Hattori, Akira Takata, Tamotsu Fukuda | 1981-08-25 |
| 4240254 | Exhaust gas purifying apparatus for multicylinder internal combustion engines | Tadashi Hattori, Junichiro Naito, Kenji Kondo | 1980-12-23 |
| 4216653 | Exhaust gas purifying system for internal combustion engines | Tadashi Hattori, Junichiro Naito, Kenji Kondo | 1980-08-12 |
| 4199938 | Method of operating a three-way catalyst for internal combustion engines | Tadashi Hattori, Junichiro Naito, Kenji Kondo | 1980-04-29 |
| 4192268 | Air flow amount adjusting system for an internal combustion engine | Tadashi Hattori, Akira Takata, Tamotsu Fukuda | 1980-03-11 |