Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787928 | Polyvinyl alcohol compositions having improved particle size distribution | Keisuke Morikawa, Richard Cazares, Masaki Kato | 2023-10-17 |
| 11767462 | Polyvinyl alcohol-based particulate compositions | Takuma Kaneshima, Keisuke Morikawa, Amanda Reneau | 2023-09-26 |
| 11549046 | Particulate polyvinyl alcohol plugging agents | Keisuke Morikawa, Yasuhiro Tajima | 2023-01-10 |