Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12226296 | Method for producing absorbent articles comprising water-absorbing resin | Carolin Borgmann, Heike Opper, Arsen Arsenov Simonyan, Keisuke Kikuchi | 2025-02-18 |
| 10619011 | Absorbent resin and method for producing the same | Kazuyuki Oshima, Taku Fujimoto, Erina Minami | 2020-04-14 |
| 10172971 | Absorbing articles comprising water absorbing resin and method for producing the same | Kazuyuki Oshima, Taku Fujimoto, Erina Minami, Peter Dziezok, Marion Lutsche +1 more | 2019-01-08 |
| 10046304 | Water absorbing agent and method for producing the same | Reiko Nakatsuru, Nobuya TANAKA | 2018-08-14 |
| 9775927 | Particulate water absorbent and process for production thereof | Taishi Kobayashi, Motohiro Imura, Taku Iwamura, Katsuyuki Wada, Kozo Nogi +3 more | 2017-10-03 |
| 8975339 | Surface treatment method for water-absorbent resin | Taku Iwamura, Makoto Matsumoto | 2015-03-10 |
| 8952116 | Particulate water absorbent and process for production thereof | Taishi Kobayashi, Motohiro Imura, Taku Iwamura, Katsuyuki Wada, Kozo Nogi +3 more | 2015-02-10 |
| 8497226 | Water absorbent and producing method of same | Kazushi Torii, Hirofumi Shibata, Taku Iwamura, Yoshio Irie, Yorimichi Dairoku +1 more | 2013-07-30 |
| 8436090 | Production method and method for enhancing liquid permeability of water-absorbing resin | Yorimichi Dairoku, Kozo Nogi, Syuji Kanzaki, Kunihiko Ishizaki, Koji Matsumoto | 2013-05-07 |
| 8424786 | Method for production of particulate water absorbent comprising water-absorbable resin as main ingredient | Kunihiko Ishizaki, Koji Matsumoto | 2013-04-23 |
| 8247491 | Water-absorbent resin composition and its production process | Kazushi Torii, Motohiro Imura, Taku Iwamura, Toshimasa Kitayama, Kenji Kadonaga +6 more | 2012-08-21 |
| 7879923 | Method for surface-treatment of water absorbent resin | Makoto Matsumoto, Hiroyuki Ikeuchi, Kazushi Torii, Taku Iwamura | 2011-02-01 |
| 7875362 | Absorbent article comprising a modified water absorbent resin | Makoto Matsumoto, Taku Iwamura | 2011-01-25 |
| 7838569 | Method of surface cross-linking superabsorbent polymer particles using ultraviolet radiation and bronsted acids | Andreas Flohr, Torsten Lindner | 2010-11-23 |
| 7816445 | Production method for hydrophilic polymer | Yorimichi Dairoku, Yoshio Irie, Shin-ichi Fujino | 2010-10-19 |
| 7803880 | Water absorbent and producing method of same | Kazushi Torii, Hirofumi Shibata, Taku Iwamura, Yoshio Irie, Yorimichi Dairoku +1 more | 2010-09-28 |
| 7786182 | Method for production of water absorbing agent | Taku Iwamura | 2010-08-31 |
| 7745507 | Absorbent member comprising a modified water absorbent resin | Makoto Matsumoto, Taku Iwamura | 2010-06-29 |
| 7638570 | Water-absorbing agent | Kazushi Torii, Motohiro Imura, Taku Iwamura | 2009-12-29 |
| 7588822 | Absorbent articles surface cross-linked superabsorbent polymer particles made by a method of using ultraviolet radiation and brØnsted acids | Andreas Flohr, Torsten Lindner | 2009-09-15 |
| 7576138 | Absorbent articles comprising surface cross-linked superabsorbent polymer particles made by a method using vacuum ultraviolet radiation | Andreas Flohr, Torsten Lindner, Esther Oliveros | 2009-08-18 |
| 7569618 | Absorbent articles comprising surface cross-linked superabsorbent polymer particles made by a method using ultraviolet radiation | Andreas Flohr, Torsten Lindner, Esther Oliveros | 2009-08-04 |