Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384276 | Particulate plugging agent based on hydrophobically-modified vinyl alcohol polymers | Keisuke Morikawa, Takuma Kaneshima | 2022-07-12 |
| 11236260 | Diverting agents based on thermoplastic polyvinyl alcohol pellets | Keisuke Morikawa, Richard Cazares | 2022-02-01 |