Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407960 | Lubricating oil composition and method for producing same | Yu Gao, Kunio Kondo, Masumi Kuritani | 2022-08-09 |
| 11220652 | Method for inspecting lubricating oil composition and method for producing lubricating oil composition | Yu Gao, Masumi Kuritani, Kunio Kondo | 2022-01-11 |
| 11214749 | Lubricating oil composition and method of producing the same | Yu Gao, Kunio Kondo, Masumi Kuritani | 2022-01-04 |