Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649779 | Control device | — | 2023-05-16 |
| 10012160 | Control device and control method of engine | Shinji Nakagawa, Akihito Numata | 2018-07-03 |
| 9429089 | Control device of engine | Shinji Nakagawa, Akihito Numata | 2016-08-30 |
| 8573185 | Diagnostic device for internal-combustion engine | Ryusei Miura, Yoichi Iihoshi, Akihito Numata, Yoshikuni Kurashima | 2013-11-05 |
| 8190351 | Diagnostic control apparatus for internal combustion engines | Akihito Numata, Heikichi Kamoshita | 2012-05-29 |
| 8011174 | Apparatus for diagnosing exhaust gas purifying device | Akihito Numata, Kenichi Kotabe, Heikichi Kamoshida, Kenji Mizushima | 2011-09-06 |
| 7293453 | Misfire detection system for internal combustion engine | Toshihiro Aono | 2007-11-13 |
| 6907341 | Misfire detector | Toshihiro Aono, Toshio Hori, Yutaka Takaku | 2005-06-14 |
| 6474145 | Combustion state detection system for internal combustion engine | Akihito Numata, Takanobu Ichihara | 2002-11-05 |
| 6003309 | Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine | Rogelio B. Agustin, Akihito Numata, Yutaka Takaku, Toshio Ishii | 1999-12-21 |
| 5991685 | Combustion state detection system for internal combustion engine | Akihito Numata, Takanobu Ichihara | 1999-11-23 |
| 5991684 | Apparatus and method of detecting combustion state of internal combustion engine and recording medium storing program for execution of the detecting method | Akihito Numata | 1999-11-23 |
| 5951618 | Detector device for combustion state in internal combustion engine | Akihito Numata, Takanobu Ichihara, Toshio Ishii | 1999-09-14 |
| 5828976 | Detector device for combustion state in internal combustion engine | Akihito Numata, Takanobu Ichihara, Toshio Ishii | 1998-10-27 |
| 5740676 | Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine | Rogelio B. Agustin, Akihito Numata, Yutaka Takaku, Toshio Ishii | 1998-04-21 |