Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338810 | Method for production of acrylate and acrylate-containing polymer | Tadao Shimomura, Yoshio Irie, Hitoshi Takahashi, Katsuhiro Kajikawa, Jyunichi Saga +1 more | 1994-08-16 |
| 5275773 | Method for production of particulate hydrated gel polymer and absorbent resin | Yoshio Irie, Koichi Yonemura | 1994-01-04 |