Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7964540 | Lube base oil and lubricating oil composition | Yukio Yoshida, Hiroki Sekiguchi, Hidetoshi Koga | 2011-06-21 |
| 7956226 | Traction drive fluid compositions | Yukio Yoshida, Hidetoshi Koga | 2011-06-07 |