Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168281 | Lubricating oil composition for internal combustion engine | Koji Hoshino | 2021-11-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168281 | Lubricating oil composition for internal combustion engine | Koji Hoshino | 2021-11-09 |