Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725672 | Method for lubricating a continuously variable transmission, and a continuously variable transmission | Hiroshi Fujita, Kenji Kojima, Yoshie Arakawa, Makoto Maeda, Hideki Usuki | 2017-08-08 |
| 9624453 | Lubricating oil composition and automotive transmission oil using same | Yoshitaka Tamoto, Masato YOKOMIZO | 2017-04-18 |
| 8778855 | Lubricating oil composition for continuously variable transmissions | — | 2014-07-15 |
| 6232275 | Lubricating oil composition for automatic transmissions | Masayuki Kato, Takao Ishikawa, Yasuhiro Murakami, Kazuo Umesato, Rika Yauchihara | 2001-05-15 |
| 6048826 | Lubricating oil composition | Toshiki Ikeda, Hiroshi Shirosawa | 2000-04-11 |
| 5972854 | Lubricating oil composition for automatic transmission | Hideo Igarashi, Junichi Deshimaru, Toshiki Ikeda | 1999-10-26 |
| 5792731 | Lubricant composition for continuous variable transmissions and method for lubricating them with said lubricant composition | Hideo Igarashi, Noboru Sonoda | 1998-08-11 |
| 5756429 | Lubricating oil composition for high-speed gear | — | 1998-05-26 |
| 4853139 | Lubricating oil composition having improved temperature characteristics | — | 1989-08-01 |
| 4776967 | Lubricating oil composition | Yoshitaka Tamoto | 1988-10-11 |