Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807361 | Blood-absorbent resin composition and absorbent articles | Katsuhiro Kajikawa, Masatoshi Nakamura | 1998-09-15 |
| 5720736 | Absorbent material, absorbent article, and method for production thereof | Kazumasa Konishi | 1998-02-24 |
| 5624967 | Water-absorbing resin and process for producing same | Kazuhisa Hitomi, Tadao Shimomura | 1997-04-29 |
| 5518761 | Absorbent material absorbent article, and method for production thereof | Kazumasa Konishi | 1996-05-21 |
| 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 |
| 5250640 | Method for production of particulate hydrogel polymer and absorbent resin | Yoshio Irie, Koichi Yonemura, Kazumasa Kimura | 1993-10-05 |
| 5229488 | Method for manufacture of an absorbent resin | Kinya Nagasuna, Katsuhiro Kajikawa, Yoshio Irie, Teruaki Fujiwara | 1993-07-20 |
| 5210298 | Method for production of acrylate and acrylate-containing polymer | Tadao Shimomura, Yoshio Irie, Hitoshi Takahashi, Katsuhiro Kajikawa, Jyunichi Saga +1 more | 1993-05-11 |
| 5164459 | Method for treating the surface of an absorbent resin | Kazumasa Kimura, Kinya Nagasuna | 1992-11-17 |
| 5140076 | Method of treating the surface of an absorbent resin | Kazumasa Kimura, Kinya Nagasuna, Akito Yano | 1992-08-18 |
| 4985514 | Method for production of water absorbent resin | Kazumasa Kimura, Yoshio Irie, Tadao Shimomura | 1991-01-15 |
| 4920202 | Method for production of hydrophilic polymer from hydrated gel polymer | Yoshio Irie, Kaoru Iwasaki, Kazumasa Kimura, Nobuyuki Harada, Kunihiko Ishizaki +2 more | 1990-04-24 |
| 4734478 | Water absorbing agent | Tsuneo Tsubakimoto, Tadao Shimomura, Yoshio Irie, Yoshihiko Masuda, Kazumasa Kimura | 1988-03-29 |