Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795413 | Viscosity index improver and lubricant compositions thereof | Tsuyoshi Yuki, Yasuo Arai | 2023-10-24 |
| 11639481 | Lubricant additive composition | Tsuyoshi Yuki, Yasuo Arai, Nobuhiro Kishida | 2023-05-02 |
| 11541542 | Service providing system, information processing apparatus, and method of controlling service providing system | Hideya Yoshiuchi | 2023-01-03 |