Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8914172 | Control method and device for hybrid motor | — | 2014-12-16 |
| 7412954 | Start-up control for internal combustion engine | Hiroyuki Suzuki, Tomohiko Tatara | 2008-08-19 |
| 7121087 | Exhaust emission control device of internal combustion engine | Isamu Hotta, Akira Tayama, Hirofumi Tsuchida | 2006-10-17 |
| 7028662 | Direct fuel injection engine | Hirofumi Tsuchida, Koji Hiraya, Isamu Hotta, Taisuke Shiraishi | 2006-04-18 |
| 6912989 | Fuel injection control device for a direct fuel injection engine | Akira Tayama, Hirofumi Tsuchida, Taisuke Shiraishi, Koji Hiraya | 2005-07-05 |
| 6845610 | Exhaust gas purification apparatus and method | Takashi Aoyama, Hirofumi Tsuchida, Isamu Hotta | 2005-01-25 |
| 6477833 | Engine exhaust emission control | Akira Tayama, Hirofumi Tsuchida, Kaname Naganuma | 2002-11-12 |
| 6220017 | Exhaust emission control system for internal combustion engine | Akira Tayama, Hirofumi Tsuchida, Keiji Okada | 2001-04-24 |