Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967186 | Exhaust gas purifying catalyst | Shinji Yamamoto, Yoshiaki Hiramoto | 2005-11-22 |
| 6932067 | Exhaust gas purifying system | Shinji Yamamoto, Hiroaki Kaneko, Hitoshi Onodera | 2005-08-23 |