Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528060 | System oil composition for crosshead diesel engine | Shigeki Takeshima | 2016-12-27 |
| 9222054 | Cylinder lubricating oil composition for crosshead-type diesel engine | Shigeki Takeshima | 2015-12-29 |
| 7759293 | Hydraulic oil composition for shock absorbers | Shinichi Shirahama, Toru Aoki | 2010-07-20 |
| 6828286 | Lubricant compositions | Kenichi Komiya, Noboru Ishida, Shinichi Shirahama, Eitaro Morita | 2004-12-07 |
| 6010988 | Lubricating oil composition | Toru Matsuoka, Hisayuki Wada, Susumu Yoshida | 2000-01-04 |