Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7367326 | Failure diagnosis apparatus for evaporative fuel processing system | Mahito Shikama, Takashi Yamaguchi, Yosuke Kosaka | 2008-05-06 |
| 7159580 | Failure diagnosis apparatus for evaporative fuel processing system | Mahito Shikama, Daisuke Sato, Takeshi Hara, Takashi Yamaguchi | 2007-01-09 |
| 7040302 | Failure diagnosis apparatus for evaporative fuel processing system | Takashi Yamaguchi, Hideyuki Oki, Satoru Kubo, Mahito Shikama, Tomohiro Yamagami | 2006-05-09 |
| 6990963 | System and method for vaporized fuel processing | Takeshi Hara, Masakazu Kitamoto, Hiroaki Mihara, Satoru Kubo | 2006-01-31 |
| 6901790 | Internal combustion engine induction air volume calculating apparatus | Minoru Arai, Atsushi Ishii | 2005-06-07 |
| 6885976 | Fault determining apparatus, fault determining method and engine control unit for variable valve timing mechanism | Yukio Miyashita, Hideyuki Oki, Takashi Isobe, Tetsuya Ohno, Kojiro Tsutsumi | 2005-04-26 |
| 6880534 | Evaporative fuel processing system | Kazuhiko Imamura, Ryuji Kohno, Mahito Shikama, Toshiichi Terakado, Kenichi Maeda +1 more | 2005-04-19 |
| 6684154 | Failure determination apparatus and method and engine control unit for determining a failure of a temperature sensor | Takashi Isobe, Kojiro Tsutsumi, Hideyuki Oki, Yukio Miyashita, Tetsuya Ohno | 2004-01-27 |
| 6595171 | Valve timing control system for internal combustion engine | Tomoya Furukawa | 2003-07-22 |
| 6330869 | Control device of an internal combustion engine | Keiji Tsujii | 2001-12-18 |
| 6230675 | Intake valve lift control system | Toshiki Kobayashi | 2001-05-15 |
| 6216655 | Valve operating control system for internal combustion engine | Keiji Tsujii, Masayuki Wakui | 2001-04-17 |
| 6202610 | Valve operating control system for internal combustion engine | Keiji Tsujii, Masayuki Wakui | 2001-03-20 |