Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851607 | Polyvinyl alcohol-based resin and plugging agent for underground treatment | — | 2023-12-26 |
| 11597367 | Hydraulic brake system | Tomohiro Narematsu, Osamu Kawarada, Yu Asai | 2023-03-07 |
| 11549046 | Particulate polyvinyl alcohol plugging agents | Ghebrehiwet Ghebremeskel, Keisuke Morikawa | 2023-01-10 |