Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681788 | Catalysts for the purification of exhaust gas | Hiroyuki Kanesaka, Maki Kamikubo | 1997-10-28 |
HA
Hiroshi Akama
Overall (1997): #142,734 of 185,788Top 80%
1
Patents 1997