Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951956 | Catalyst for purifying exhaust gas and method for purifying exhaust gas | Hideaki Muraki, Motohisa Saiki, Mariko Adachi, Shinichi Matsumoto, Takaaki Kanazawa +4 more | 1999-09-14 |
| 5735119 | Exhaust purification device of an engine | Takamitsu Asanuma, Kenji Katoh, Satoshi Iguchi | 1998-04-07 |
| 5715679 | Exhaust purification device of an engine | Takamitsu Asanuma, Shinichi Takeshima, Toshiaki Tanaka, Kenji Katoh, Satoshi Iguchi | 1998-02-10 |
| 5713199 | Device for detecting deterioration of NO.sub.x absorbent | Shinichi Takeshima, Takamitsu Asanuma, Toshiaki Tanaka, Kenji Katoh, Satoshi Iguchi | 1998-02-03 |
| 5577382 | Exhaust purification device of internal combustion engine | Kenji Katoh, Takamitsu Asanuma, 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 |
| 5472673 | Exhaust gas purification device for an engine | Masato Goto, Satoshi Iguchi, Kenji Katoh | 1995-12-05 |
| 5450722 | Exhaust purification device of internal combustion engine | Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi, Kenji Katoh | 1995-09-19 |
| 5423181 | Exhaust gas purification device of an engine | Kenji Katoh, Satoshi Iguchi, Masato Gotoh, Shinichi Takeshima, Takamitsu Asanuma +1 more | 1995-06-13 |
| 5412945 | Exhaust purification device of an internal combustion engine | Kenji Katoh, Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi +1 more | 1995-05-09 |
| 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 |
| 5313792 | Exhaust gas purification apparatus for an internal combustion engine | Kenji Katoh, Satoshi Iguchi | 1994-05-24 |