Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004521 | Catalyst for purifying exhaust gases | Naoto Miyoshi, Koichi Kasahara, Syuji Tateishi | 1999-12-21 |
| 5948376 | Catalyst for purifying exhaust gases | Naoto Miyoshi, Kazunobu Ishibashi, Koichi Kasahara, Syuji Tateishi | 1999-09-07 |