Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689952 | Exhaust gas-purifying system for internal combustion engines | Hiroaki Kato, Takashi Komatsuda, Yuichi Shimasaki, Akihisa Saito, Tetsu Teshirogi +2 more | 1997-11-25 |
| 5634331 | Exhaust gas-purifying device for internal combustion engines | Yuichi Shimasaki, Takashi Komatsuda, Hiroaki Kato, Akihisa Saito, Toshikazu Oketani | 1997-06-03 |
| 5600949 | Exhaust gas-purifying system for internal combustion engines | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Takashi Komatsuda, Toshikazu Oketani +3 more | 1997-02-11 |