Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589901 | Exhaust gas purifying catalyst and method of producing same | Shinji Yamamoto | 2003-07-08 |
| 6518213 | Exhaust gas purifying catalyst and process for preparing the catalyst | Shinji Yamamoto | 2003-02-11 |