Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326735 | Iridium catalysts for purifying exhaust gas | Takashi Itoh | 1994-07-05 |
| 5306684 | Catalyst for purification of exhaust gases | Takashi Itoh, Hiroyuki Yamaguchi | 1994-04-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326735 | Iridium catalysts for purifying exhaust gas | Takashi Itoh | 1994-07-05 |
| 5306684 | Catalyst for purification of exhaust gases | Takashi Itoh, Hiroyuki Yamaguchi | 1994-04-26 |