Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677258 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Makoto Kyogoku, Hideharu Iwakuni, Kenji Okamoto +3 more | 1997-10-14 |
HS
Hirosuke Sumida
Overall (1997): #140,492 of 185,788Top 80%
1
Patents 1997