Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485927 | Lubricating oil composition | Takuma Saito, Koichi Sakamoto, Atsushi Akamatsu | 2022-11-01 |
| 10954464 | Lubricating oil composition | Koichi Sakamoto, Atsushi Akamatsu | 2021-03-23 |