Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825145 | Exhaust gas purifying catalyst | Osamu Nakayama, Keisuke Tashiro, Kinichi Iwachido, Tetsuya Watanabe, Kazuo Koga | 2004-11-30 |
| 6797663 | Catalyst for exhaust gas purification | Tetsuya Watanabe, Osamu Nakayama, Keisuke Tashiro, Kinichi Iwachido | 2004-09-28 |
| 6794330 | Exhaust gas purifying catalyst | Osamu Nakayama, Keisuke Tashiro, Kinichi Iwachido, Tetsuya Watanabe | 2004-09-21 |
| 6790808 | Exhaust gas purifying catalyst | Osamu Nakayama, Keisuke Tashiro, Kinichi Iwachido, Tetsuya Watanabe | 2004-09-14 |