Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251960 | Process for production of water absorbent resin | Kunihiko Ishizaki, Nobuyuki Harada, Yoshihiro Motono, Koji Miyake | 2001-06-26 |
| 6001911 | Absorbent resin, absorbent material and method of manufacturing the same | Kunihiko Ishizaki, Toshimasa Kitayama, Yoshihiro Motono, Nobuyuki Harada | 1999-12-14 |
| 5985944 | Water-absorbent resin, process for production thereof, and water-absorbent resin composition | Kunihiko Ishizaki, Nobuyuki Harada, Yoshihiro Motono, Koji Miyake | 1999-11-16 |