Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10442895 | Copolymer of diallylamines and sulfur dioxide, and method for producing same | Nobuyuki Yamada | 2019-10-15 |
| 10252258 | Method for separating and concentrating target substance using novel cationic graft polymer | Kazuho Ashizawa, Kenta Noda, Koji Watanabe, Yoko TERUUCHI | 2019-04-09 |
| 10189931 | Graft polymer and method for producing same | Koji Watanabe | 2019-01-29 |