Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447359 | Lubricant composition | Shigeki Matsui | 2016-09-20 |
| 9404062 | Lubricant oil composition | Shigeki Matsui, Teppei Tsujimoto | 2016-08-02 |
| 9376645 | Lubricating oil composition for internal combustion engine | Kazuhiro Yagishita, Koji Hoshino, Shigeki Matsui | 2016-06-28 |
| 9353329 | Lubricating oil composition | Hiroya Miyamoto | 2016-05-31 |