Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476155 | Method of producing a hydrophilic resin | Katsuyuki Wada, Masatoshi Nakamura, Yoshihiko Masuda | 2002-11-05 |
| 6395792 | Method for production of porous cross-linked poymer | Hirotama Fujimaru, Kenji Kadonaga, Kozo Nogi, Katsuhiko Sakamoto, Masazumi Sasabe +1 more | 2002-05-28 |
| 6335406 | Method for production of absorbent resin excelling in durability | Kenji Kadonaga, Kazumasa Kimura, Tadao Shimomura | 2002-01-01 |