Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5715679 | Exhaust purification device of an engine | Tetsuro Kihara, Shinichi Takeshima, Toshiaki Tanaka, Kenji Katoh, Satoshi Iguchi | 1998-02-10 |
| 5713199 | Device for detecting deterioration of NO.sub.x absorbent | Shinichi Takeshima, Tetsuro Kihara, Toshiaki Tanaka, Kenji Katoh, Satoshi Iguchi | 1998-02-03 |
| 5577382 | Exhaust purification device of internal combustion engine | Tetsuro Kihara, Kenji Katoh, Satoshi Iguchi | 1996-11-26 |
| 5483795 | Exhaust purification device of internal combustion engine | Kenji Katoh, Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi +9 more | 1996-01-16 |
| 5423181 | Exhaust gas purification device of an engine | Kenji Katoh, Satoshi Iguchi, Tetsuro Kihara, Masato Gotoh, Shinichi Takeshima +1 more | 1995-06-13 |
| 5402641 | Exhaust gas purification apparatus for an internal combustion engine | Kenji Katoh, Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi, Masato Goto +2 more | 1995-04-04 |