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