Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687817 | Novel functionalized resin derived from polyallylamine | Susumu Harada, Kiyoshi Shimizu | 1987-08-18 |
| 4604451 | Novel functionalized resin derived from polyallylamine | Susumu Harada, Kiyoshi Shimizu | 1986-08-05 |