Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982167 | Viscosity index improver and lubricating oil composition | Keiko Izumi, Kazunari Yasumura, Daisuke Matsui | 2021-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982167 | Viscosity index improver and lubricating oil composition | Keiko Izumi, Kazunari Yasumura, Daisuke Matsui | 2021-04-20 |