Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071515 | Lubricating oil composition | Kazuhiro Teshima | 2011-12-06 |
| 7960318 | Lubricating oil composition for internal combustion engine | Motoharu Ishikawa, Kazuhiro Teshima | 2011-06-14 |