Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7745537 | Particulate water absorbing agent, water-absorbent core and absorbing article | Yasuhisa Nakashima, Toshihiro Takaai | 2010-06-29 |
| 7595428 | Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material | Hiroko Ueda, Yoshio Irie | 2009-09-29 |
| 7582705 | Particulate water absorbent agent and production method thereof, and water absorbent article | Yorimichi Dairoku, Yoshifumi Adachi, Kozo Nogi, Hiroki Inoue, Yoshio Irie | 2009-09-01 |
| 7510988 | Particulate water-absorbing agent containing water-absorbent resin as a main component | Hiroko Ueda, Kazuki Kimura, Kunihiko Ishizaki | 2009-03-31 |
| 7473739 | Particulate water absorbent agent and production method thereof, and water absorbent article | Yorimichi Dairoku, Yoshifumi Adachi, Kozo Nogi, Hiroki Inoue, Yoshio Irie | 2009-01-06 |
| 7473470 | Particulate water absorbing agent with irregularly pulverized shape | Kunihiko Ishizaki, Takahiro Kitano, Yoshifumi Adachi, Hiroko Ueda | 2009-01-06 |
| 7435477 | Particulate water absorbent containing water absorbent resin as a main component | Yoshifumi Adachi, Takahiro Kitano, Hirotama Fujimaru, Hiroyuki Ikeuchi | 2008-10-14 |
| 7420018 | Water-absorbing agent production process with surface crosslinking and ion blocking | Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2008-09-02 |
| 7312278 | Water-absorbing agent and production process therefor, and sanitary material | Yasuhisa Nakashima, Hiroyuki Ikeuchi, Yasuhiro Fujita, Makoto Nagasawa, Shigeru Sakamoto +4 more | 2007-12-25 |
| 7196139 | Water-absorbent resin composition | Hirotama Fujimaru, Kunihiko Ishizaki, Motohiro Imura, Hiroki Inoue | 2007-03-27 |
| 7183456 | Water-absorbent resin and production process therefor | Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Shinichi Fujino, Kazuki Kimura +1 more | 2007-02-27 |
| 6964998 | Water-absorbing agent and its production process and use | Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2005-11-15 |
| 6720389 | Water-absorbent resin and production process therefor | Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Shinichi Fujino, Kazuki Kimura +1 more | 2004-04-13 |
| RE38444 | Absorbing agent, process of manufacturing same, and absorbent product containing same | Kinya Nagasuna, Shin-ichi Fujino, Yoshihiko Masuda | 2004-02-24 |
| 6617489 | Absorbent, absorbing product based thereon, and water-absorbing resin | Naoko Takahashi, Kunihiko Ishizaki | 2003-09-09 |
| 6599989 | Water-absorbent agents containing polycarboxylic amine chelating agents | Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2003-07-29 |
| 6586549 | Water-absorbing composition and its use | Takumi Hatsuda, Kazuki Kimura, Koji Miyake, Eri Goto | 2003-07-01 |
| 6476155 | Method of producing a hydrophilic resin | Masatoshi Nakamura, Kinya Nagasuna, Yoshihiko Masuda | 2002-11-05 |
| 6469080 | Water-absorbent resin composition | Koji Miyake, Shinichi Fujino, Masatoshi Nakamura | 2002-10-22 |
| 6180724 | Process for manufacturing an absorbing agent and absorbent material | Kinya Nagasuna, Shin-ichi Fujino, Yoshihiko Masuda | 2001-01-30 |
| 6150582 | Absorbent article and production process therefor | Naoko Takahashi, Hiroko Ueda, Kinya Nagasuna | 2000-11-21 |
| 6127454 | Water-absorbing agent and production process therefor | Kinya Nagasuna | 2000-10-03 |
| 6110992 | Water-absorbing agent and production process therefor | Kinya Nagasuna | 2000-08-29 |
| 6054541 | Process of manufacturing precursor of an absorbing agent | Kinya Nagasuna, Shin-ichi Fujino, Yoshihiko Masuda | 2000-04-25 |
| 5797893 | Absorbing agent composition, absorbent material, and absorbent product containing absorbent material | Kunihiko Ishizaki, Kinya Nagasuna | 1998-08-25 |