Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485927 | Lubricating oil composition | Takuma Saito, Koichi Sakamoto, Naoki Asami | 2022-11-01 |
| 10954464 | Lubricating oil composition | Koichi Sakamoto, Naoki Asami | 2021-03-23 |
| 9879201 | Engine oil composition | — | 2018-01-30 |