Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012567 | Lubricating oil composition | — | 2024-06-18 |
| 11332687 | Friction adjusting agent and lubricating oil composition | Hiroaki Koshima, Toshiaki Iwai, Hideki Kamano | 2022-05-17 |