Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12065599 | Kits and compositions containing vinyl alcohol polymers and fibers | Ghebrehiwet Ghebremeskel, Keisuke Morikawa | 2024-08-20 |
| 11767462 | Polyvinyl alcohol-based particulate compositions | Ghebrehiwet Ghebremeskel, Keisuke Morikawa, Amanda Reneau | 2023-09-26 |
| 11384276 | Particulate plugging agent based on hydrophobically-modified vinyl alcohol polymers | Ghebrehiwet Ghebremeskel, Keisuke Morikawa | 2022-07-12 |
| 11091574 | Method for producing vinyl alcohol polymers | — | 2021-08-17 |
| 10919012 | Crude oil dispersion stabilizer | Yosuke Kumaki | 2021-02-16 |
| 9908961 | Vinyl alcohol-based graft polymer, method for producing same, and ion-exchange membrane using same | Yusuke Amano, Keisuke Morikawa | 2018-03-06 |
| 9611344 | Vinyl alcohol polymer, method for producing same, and composition and coating agent containing vinyl alcohol polymer | Yusuke Amano, Keisuke Morikawa, Naoki Fujiwara, Kensuke Nagashima, Katsuji Ujita | 2017-04-04 |