Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075275 | Catalyst for purification of exhaust gases | Hiroshi Murakami, Kazunori Ihara | 1991-12-24 |
| 5063192 | Catalyst for purification of exhaust gases | Hiroshi Murakami | 1991-11-05 |
| 5019546 | Catalyst for purifying exhaust gas and method of manufacturing the same | Hiroshi Murakami, Masayuki Koishi, Shoko Yatagai | 1991-05-28 |