Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7750085 | Water-absorbing agent and its production process | Kazushi Torii, Kenji Kadonaga, Hirofumi Shibata, Taku Iwamura, Koji Miyake +1 more | 2010-07-06 |
| 7510988 | Particulate water-absorbing agent containing water-absorbent resin as a main component | Katsuyuki Wada, Hiroko Ueda, Kunihiko Ishizaki | 2009-03-31 |
| 7183456 | Water-absorbent resin and production process therefor | Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Katsuyuki Wada, Shinichi Fujino +1 more | 2007-02-27 |
| 6720389 | Water-absorbent resin and production process therefor | Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Katsuyuki Wada, Shinichi Fujino +1 more | 2004-04-13 |
| 6586549 | Water-absorbing composition and its use | Takumi Hatsuda, Koji Miyake, Eri Goto, Katsuyuki Wada | 2003-07-01 |
| 6207772 | Method for production of cross-linked polymer | Takumi Hatsuda, Toru Yanase, Yasuhiro Fujita | 2001-03-27 |
| 6194531 | Method for production of cross-linked polymer | Takumi Hatsuda, Toru Yanase, Yasuhiro Fujita | 2001-02-27 |
| 6187872 | Water-absorbent agent and method for manufacturing the same | Toru Yanase, Shin-ichi Fujino, Kinya Nagasuna, Kunihiko Ishizaki, Hirotama Fujimaru +1 more | 2001-02-13 |
| 6107358 | Water-absorbent resin and method for production thereof | Nobuyuki Harada, Koji Miyake, Yoshihiro Motono, Hideyuki Tahara, Takumi Hatsuda +4 more | 2000-08-22 |