Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673320 | Exhaust converter | Shinichi Tosa, Junichi Nakade, Yasushi Kageyama | 2004-01-06 |
| 6613295 | Carrier supporting mat for exhaust converter | Yasushi Kageyama, Sadaaki Ohashi, Shuichi Nishizaki, Shinichi Tosa | 2003-09-02 |