Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976356 | Exhaust gas purifier for use in internal combustion engine | Osamu Nakayama, Yasuki Tamura, Kazuhito Kawashima | 2005-12-20 |
| 6892527 | Catalyst deterioration suppressing apparatus and method | Katsunori Ueda, Masaaki Kaneko, Ishido Masanori, Yasuki Tamura | 2005-05-17 |
| 6892528 | Catalyst deterioration detecting apparatus | Yasuki Tamura, Kinichi Iwachido, Osamu Nakayama | 2005-05-17 |