Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422333 | Exhaust gas purifying catalyst | Yoshimi Kawashima, Toshiaki Hayasaka, Hiroshi Akama | 1995-06-06 |
YK
Yasuhide Kano
Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #3,772,482 of 4,157,543Top 95%
1
Patents All Time