Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232275 | Lubricating oil composition for automatic transmissions | Toshihiko Ichihashi, Masayuki Kato, Takao Ishikawa, Yasuhiro Murakami, Kazuo Umesato | 2001-05-15 |
RY
Rika Yauchihara
Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #3,582,019 of 4,157,543Top 90%
1
Patents All Time