Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613295 | Carrier supporting mat for exhaust converter | Yasushi Kageyama, Shuichi Nishizaki, Kozo Suganuma, Shinichi Tosa | 2003-09-02 |
| 6430811 | Catalyst container | Shuichi Nishizaki, Kouzou Suganuma, Yasushi Kageyama | 2002-08-13 |