Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9080125 | Lubricating oil composition | — | 2015-07-14 |
| 6809069 | Lubricating oil composition | Yutaka Takakura | 2004-10-26 |
| 6051536 | Oil composition for continuously variable transmissions | Hideo Igarashi | 2000-04-18 |
| 5972854 | Lubricating oil composition for automatic transmission | Toshihiko Ichihashi, Hideo Igarashi, Toshiki Ikeda | 1999-10-26 |