Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336727 | Maleic anhydride copolymer | Tomoyuki Okazawa, Seiichi Tokumaru, Hideo Ohira, Yoshiaki Kano | 1994-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336727 | Maleic anhydride copolymer | Tomoyuki Okazawa, Seiichi Tokumaru, Hideo Ohira, Yoshiaki Kano | 1994-08-09 |