Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10336961 | Viscosity index improver, lubricant composition, and method for manufacturing lubricant composition | Shigekuni Nakada, Ayumu Sakaguchi, Satoshi Matsumoto | 2019-07-02 |