Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047544 | Engine exhaust gas purification catalyst and exhaust gas purifier | Shinji Yamamoto, Masahiro Takaya | 2000-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047544 | Engine exhaust gas purification catalyst and exhaust gas purifier | Shinji Yamamoto, Masahiro Takaya | 2000-04-11 |