Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11607667 | Absorption agent and absorbent article | Hiroki Kawada, Taku Iwamura, Koji Tachi, Makiko MASUDA, Kazushi Torii +1 more | 2023-03-21 |
| 10363339 | Water absorbent agent composition and method for producing same, as well as storage and stocking method for same | Manabu Ueda, Hiroyuki Ikeuchi, Katsuyuki Wada | 2019-07-30 |
| 10196500 | Particulate water absorbing agent and process for producing same | Katsuyuki Wada, Hiroyuki Ikeuchi, Manabu Ueda | 2019-02-05 |
| 9796853 | Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereof | Hiroko Ueda, Katsuyuki Wada | 2017-10-24 |
| 9669386 | Particulate water-absorbing agent and production method for the same | Katsuyuki Wada | 2017-06-06 |
| 9180220 | Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent | Kazushi Torii, Hirofumi Shibata, Kazuki Kimura, Motohiro Imura, Hiroko Ueda +1 more | 2015-11-10 |
| 9044525 | Polyacrylic acid (salt)-based water absorbent resin powder and method for producing the same | Kazushi Torii, Reiko Nakatsuru, Katsuyuki Wada, Kunihiko Ishizaki | 2015-06-02 |
| 8198209 | Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent | Kazushi Torii, Hirofumi Shibata, Kazuki Kimura, Motohiro Imura, Hiroko Ueda +1 more | 2012-06-12 |
| 8026294 | Water absorbent resin composition and method for producing the same | Katsuyuki Wada | 2011-09-27 |
| 7825169 | Water-absorbent composition, process for production thereof, absorbent and absorbing product | Katsuyuki Wada, Hiroko Ueda, Kunihiko Ishizaki, Yoshio Irie | 2010-11-02 |
| 7745537 | Particulate water absorbing agent, water-absorbent core and absorbing article | Toshihiro Takaai, Katsuyuki Wada | 2010-06-29 |
| 7312278 | Water-absorbing agent and production process therefor, and sanitary material | Hiroyuki Ikeuchi, Yasuhiro Fujita, Makoto Nagasawa, Shigeru Sakamoto, Yorimichi Dairoku +4 more | 2007-12-25 |
| 7049366 | Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin | Sei Nakahara, Kunihiko Ishizaki, Hirotama Fujimaru, Kazuhiko Sakamoto | 2006-05-23 |