Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019546 | Catalyst for purifying exhaust gas and method of manufacturing the same | Hiroshi Murakami, Masayuki Koishi, Kazuko Yamagata | 1991-05-28 |
| 4888320 | Catalyst and method of making the catalyst | Kazunori Ihara, Hiromi Ohishi | 1989-12-19 |