Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422501 | Lubricating oil composition and method for lubricating sliding material while preventing elution of copper and lead | — | 2016-08-23 |
| 9376645 | Lubricating oil composition for internal combustion engine | Akira Yaguchi, Koji Hoshino, Shigeki Matsui | 2016-06-28 |