Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925797 | Apparatus for purifying exhaust gas of engine | Junichi Taga | 2005-08-09 |
| 6672052 | Exhaust gas purifying apparatus for internal combustion engine | Junichi Taga, Kazuya Yokota | 2004-01-06 |
| 6513320 | Control system for a direct injection-spark ignition engine | Hirofumi Nishimura | 2003-02-04 |
| 6449946 | Control apparatus for direct-injection engine | Masayuki Kuroki, Junichi Taga, Kazuya Yokota, Keiji Araki | 2002-09-17 |
| 6434929 | Control apparatus for direct injection engine | Hirofumi Nishimura | 2002-08-20 |
| 6374596 | Exhaust-gas cleaning devices for engine | Junichi Taga, Kazuya Yokota, Masayuki Kuroki | 2002-04-23 |
| 6345499 | Catalyst light-off method and device for direct injection engine | Hirofumi Nishimura, Seiko Kono, Hiroyuki Yamashita, Keiji Araki | 2002-02-12 |
| 6330796 | Control device for direct injection engine | Hirofumi Nishimura, Seiko Kono, Hiroyuki Yamashita, Keiji Araki | 2001-12-18 |
| 6318074 | Control device for direct injection engine | Hirofumi Nishimura, Seiko Kono, Hiroyuki Yamashita, Keiji Araki | 2001-11-20 |
| 6269634 | Engine control device | Kazuya Yokota, Junichi Taga, Masayuki Kuroki, Akihide Takami, Kenji Okamoto +3 more | 2001-08-07 |
| 6257197 | Control system for a direct injection-spark ignition engine | Hirofumi Nishimura | 2001-07-10 |
| 6141960 | Exhaust gas purifying system for engine | Akihide Takami, Hideharu Iwakuni, Makoto Kyogoku, Hiroshi Yamada, Kenji Okamoto +5 more | 2000-11-07 |
| 6116208 | Control system for a direct injection-spark ignition engine | Hirofumi Nishimura | 2000-09-12 |
| 6085718 | Control system for a direct injection-spark ignition engine | Hirofumi Nishimura | 2000-07-11 |
| 6055956 | Control system for an engine equipped with exhaust gas recirculation system | Hirofumi Nishimura | 2000-05-02 |
| 6044642 | Direct fuel injection engine | Hirofumi Nishimura, Hiroyuki Yamashita, Noriyuki Ota | 2000-04-04 |
| 5060616 | Intake system for multiple-valve engine | Tadashi Nakagawa, Kenji Kashiyama | 1991-10-29 |