Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7080609 | Engine system with a thermal storage device, and engine temperature raising method | Yasuhiro Kuze, Takayuki Otsuka, Hiroki Ichinose | 2006-07-25 |
| 6565480 | Control apparatus for drive system | Hiroatsu Endo, Tatsuya Ozeki, Kazumi Hoshiya | 2003-05-20 |
| 6409973 | Exhaust gas purification device for an engine | Toshifumi Takaoka, Kouhei Igarashi, Takaaki Itou | 2002-06-25 |
| 6345496 | Method and device for purifying exhaust gas of an engine | Naohide Fuwa, Hiroshi Tanaka, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi +2 more | 2002-02-12 |
| 6289672 | Exhaust gas purification device for an internal combustion engine | Kenji Katoh, Takaaki Itou, Toshio Tanahashi, Hiroshi Tanaka, Naoto Suzuki | 2001-09-18 |
| 6166449 | Power output apparatus having a battery with a high charge-discharge efficiency | Toshifumi Takaoka, Kouji Yoshizaki, Yoshiaki Taga, deceased, by Shigeo Taga, heir, by Takiko Taga, heiress | 2000-12-26 |
| 6133185 | Exhaust gas purifying catalyst | Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Takaaki Kanazawa +3 more | 2000-10-17 |
| 6128898 | Exhaust gas purifying apparatus for internal combustion engine | Kazuhiro Sakurai, Takaaki Itou, Koichi Hoshi, Koichi Takeuti | 2000-10-10 |
| 6122910 | Exhaust gas purifying apparatus for an internal combustion engine | Koichi Hoshi, Takaaki Itou | 2000-09-26 |
| 6119452 | Device for purifying exhaust gas of internal combustion engine | Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Toshiaki Tanaka +1 more | 2000-09-19 |
| 6109024 | Exhaust gas purification device for an internal combustion engine | Takaaki Itou, Koichi Takeuchi | 2000-08-29 |
| 6047542 | Method and device for purifying exhaust gas of engine | Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Kouichi Takeuchi | 2000-04-11 |
| 6032461 | Exhaust emission control apparatus for internal combustion engine | Kouhei Igarashi, Takaaki Itou | 2000-03-07 |
| 5979157 | Method and a device for purifying exhaust gas of an internal combustion engine | Takaaki Itou, Koichi Hoshi, Koichi Takeuchi | 1999-11-09 |
| 5974793 | Exhaust gas purification device for an internal combustion engine | Takaaki Itou, Naoto Suzuki, Koichi Takeuchi, Hiroshi Tanaka, Naohide Fuwa | 1999-11-02 |
| 5964088 | Device for purifying exhaust gas of engine | Takaaki Itou, Koichi Hoshi, Naoto Suzuki, Koichi Takeuchi, Takehisa Yaegashi +1 more | 1999-10-12 |
| 5950591 | Engine oil deterioration preventing agent and device | Yuji Kageyama, Akihiro Takahashi | 1999-09-14 |
| 5924406 | Apparatus for controlling auxiliary equipment driven by an internal combustion engine | Kouhei Igarashi, Takaaki Itou | 1999-07-20 |
| 5836291 | Evaporated fuel processing apparatus for an internal combustion engine | Takaaki Itou, Yoshihiko Hyodo, Toru Kidokoro, Naoya Takagi | 1998-11-17 |
| 5816214 | Emission control system for an automobile | Toru Kidokoro, Takaaki Itou | 1998-10-06 |
| 5782087 | Device for purifying exhaust gas of an engine | Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Toshiaki Tanaka | 1998-07-21 |
| 5783160 | Method for purifying combustion exhaust gas | Kouhei Igarashi, Takaaki Itou, Toshifumi Takaoka, Michihiro Ohashi, Koji Yokota | 1998-07-21 |
| 5778667 | Method and a device for purifying combustion exhaust gas | Takaaki Itou, Naoto Suzuki | 1998-07-14 |
| 5746052 | Exhaust gas purification device for an engine | Kouhei Igarashi, Takaaki Itou, Takehisa Yaegashi, Toshifumi Takaoka | 1998-05-05 |
| 5740669 | Exhaust gas purification device for an engine | Kouhei Igarashi, Takaaki Itou, Toshifumi Takaoka | 1998-04-21 |