Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647636 | Process for preparing highly water-absorbent resin | Jun Maeno | 1987-03-03 |
| 4587308 | Method for producing improved water-absorbent resins | Shozo Tanioku | 1986-05-06 |
| 4507376 | Electrophotographic toner composition | Osamu Oseto, Toshiaki Munemitsu | 1985-03-26 |