Issued Patents All Time
Showing 25 most recent of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212597 | Coolant composition for internal combustion engine and method for operating internal combustion engine | Takuya Hirai, Rentaro Kuroki, Syou Tomita, Minoru Yamashita, Kazuhiro Miyajima +1 more | 2015-12-15 |
| 8917058 | Battery charging control system | Takuya Hirai, Yoshinori Futonagane | 2014-12-23 |
| 8818627 | Regeneration control system for vehicle | Yoshinori Futonagane, Takuya Hirai | 2014-08-26 |
| 8739757 | Lubrication system of an internal combustion engine | Yoshinori Futonagane, Takuya Hirai | 2014-06-03 |
| 8744677 | Regenerative control system for a vehicle | Yoshinori Futonagane, Takuya Hirai | 2014-06-03 |
| 8151741 | Control device of internal combustion engine | Hajime Kabashima | 2012-04-10 |
| 7296556 | Control system for internal combustion engine | Satoshi Yamaguchi, Mamoru Hasegawa | 2007-11-20 |
| 7268539 | Pulse signal generator | Kensaku Sato, Masami Tanaka, Tadashi Kubota, Hideki Sakamoto, Makoto Kobayashi +2 more | 2007-09-11 |
| 7104051 | Exhaust gas purification device | Satoshi Yamaguchi | 2006-09-12 |
| 6578649 | Hybrid vehicle | Hiromi Inagaki | 2003-06-17 |
| 6299563 | Control system for hybrid vehicle | — | 2001-10-09 |
| 6257176 | Variable cycle internal combustion engine and controller thereof | Eitetsu Akiyama, Kenji Abe, Shunichi Tsuzuki | 2001-07-10 |
| 6185931 | Failure detecting system of exhaust purification apparatus | Hiroaki Kato | 2001-02-13 |
| 6186255 | Hybrid vehicle | Kenji Nakano, Hironao Fukuchi, Hideyuki Takahashi, Kazutomo Sawamura, Teruo Wakashiro | 2001-02-13 |
| 6176081 | Heating device for an exhaust gas purification catalytic converter | Hironao Fukuchi, Hiroaki Kato, Kazutomo Sawamura, Yasushi Kato | 2001-01-23 |
| 6138620 | Valve operating system in an internal combustion engine | Hirotomi Nemoto, Tetsuya Ishiguro, Takeshi Gomi, Shigekazu Tanaka, Hidetoshi Ohishi | 2000-10-31 |
| 6112519 | Exhaust gas purification device for an internal combustion engine | Hironao Fukuchi, Hiroaki Kato, Kazutomo Sawamura, Yasushi Kato | 2000-09-05 |
| 6031213 | Electrode structure and electric heater comprising the same | Shigeharu Hashimoto, Tadato Ito, Hiroaki Kato, Takashi Komatsuda, Akihisa Saito +2 more | 2000-02-29 |
| 6019183 | Hybrid vehicle | Kenji Nakano, Hironao Fukuchi, Hideyuki Takahashi, Kazutomo Sawamura, Teruo Wakashiro | 2000-02-01 |
| 6020697 | Hybrid vehicle | Kenji Nakano, Hironao Fukuchi, Hideyuki Takahashi, Kazutomo Sawamura, Teruo Wakashiro | 2000-02-01 |
| 5908019 | Intake air amount control system for internal combustion engines | Hironao Fukuchi, Hiroaki Kato, Akihisa Saito, Hideo Furumoto, Takayoshi Nakayama | 1999-06-01 |
| 5857325 | Electrical load abnormality-detecting system for automotive vehicles | Hiroaki Kato, Akihisa Saito, Tetsu Teshirogi, Hideo Furumoto, Takuya Aoki | 1999-01-12 |
| 5852929 | Failure detection system of exhaust secondary air supply system of internal combustion engine | Hiroaki Kato, Takashi Komatsuda, Takuya Aoki, Hiroaki Muramatsu, Hajime Uto +1 more | 1998-12-29 |
| 5819531 | Control device for electrically-heated catalyzers | Hiroaki Kato, Hironao Fukuchi, Akihisa Saito, Hideo Furumoto, Takayoshi Nakayama | 1998-10-13 |
| 5818119 | Alternator control system | Hironao Fukuchi, Hiroaki Kato, Akihisa Saito, Hideo Furumoto, Takayoshi Nakayama | 1998-10-06 |