Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10099254 | Classification method of particulate water absorbent resin | Kazumasa Konishi, Kenji Kadonaga, Shinichi Fujino | 2018-10-16 |
| 10029027 | Production method for water-absorbing resin composition | Takahiro Kitano, Sumio Okuda, Kozo Nogi, Motohiro Imura | 2018-07-24 |
| 9175143 | Method for producing particulate water-absorbent resin | Toshihiro Takaai, Shinichi Fujino, Satoshi Matsumoto | 2015-11-03 |
| 8809475 | Production method for water-absorbent resin | Koji Matsumoto, Kozo Nogi, Shinichi Fujino, Kunihiko Ishizaki | 2014-08-19 |
| 8765857 | Particulate water retaining material for cultivating plant having water absorbent resin as main component | Hirotama Fujimaru, Kunihiko Ishizaki, Yoshifumi Adachi, Nobuyuki Harada | 2014-07-01 |
| 8703859 | Production method for water-absorbing resin composition | Takahiro Kitano, Sumio Okuda, Kozo Nogi, Motohiro Imura | 2014-04-22 |
| 8519212 | Water-absorbent resin, hydropolymer, process for producing them, and uses of them | Yoshio Irie, Shinichi Fujino, Yasuhiro Fujita, Takashi Azumi, Kunihiko Ishizaki | 2013-08-27 |
| 8513364 | Production method of water-absorbent resin | Masazumi Sasabe, Sumio Okuda, Shuji Kanzaki, Yoshihiro Kita, Motohiro Imura | 2013-08-20 |
| 8497226 | Water absorbent and producing method of same | Kazushi Torii, Hirofumi Shibata, Taku Iwamura, Yoshio Irie, Yoshiro Mitsukami +1 more | 2013-07-30 |
| 8481664 | Particulate water absorbing agent including polyacrylic acid (polyacrylate) based water absorbing resin as a principal component, method for production thereof, water-absorbent core and absorbing article in which the particulate water absorbing agent is used | Hirotama Fujimaru, Kunihiko Ishizaki | 2013-07-09 |
| 8436090 | Production method and method for enhancing liquid permeability of water-absorbing resin | Kozo Nogi, Syuji Kanzaki, Kunihiko Ishizaki, Koji Matsumoto, Yoshiro Mitsukami | 2013-05-07 |
| 8420752 | Production method and production apparatus of particulate water absorbing agent containing water absorbent resin as main component | Toshihiro Takaai, Shinichi Fujino | 2013-04-16 |
| 8188163 | Process for producing water-absorbing resin | Makoto Matsumoto, Toshihiro Takaai, Shinichi Fujino, Satoshi Matsumoto, Seiji Kato | 2012-05-29 |
| 7851550 | Method for surface crosslinking water-absorbing resin and method for manufacturing water-absorbing resin | Kenji Kadonaga, Shin-ichi Fujino, Hiroko Okochi, Yoshio Irie, Hideyuki Tahara | 2010-12-14 |
| 7816445 | Production method for hydrophilic polymer | Yoshiro Mitsukami, Yoshio Irie, Shin-ichi Fujino | 2010-10-19 |
| 7803880 | Water absorbent and producing method of same | Kazushi Torii, Hirofumi Shibata, Taku Iwamura, Yoshio Irie, Yoshiro Mitsukami +1 more | 2010-09-28 |
| 7741400 | Water-absorbent resin, hydropolymer, process for producing them, and uses of them | Yoshio Irie, Shinichi Fujino, Yasuhiro Fujita, Takashi Azumi, Kunihiko Ishizaki | 2010-06-22 |
| 7694900 | Method for disintegrating hydrate polymer and method for production of water-absorbent resin | Yoshio Irie, Yasuhiro Fujita, Kenji Tada, Hirofumi Shibata | 2010-04-13 |
| 7622535 | Method for continuous production of water-absorbent resin | Yoshio Irie, Shinichi Fujino, Yasuhiro Fujita, Kenji Tada, Hiroki Inoue +2 more | 2009-11-24 |
| 7582705 | Particulate water absorbent agent and production method thereof, and water absorbent article | Yoshifumi Adachi, Kozo Nogi, Hiroki Inoue, Katsuyuki Wada, Yoshio Irie | 2009-09-01 |
| 7473739 | Particulate water absorbent agent and production method thereof, and water absorbent article | Yoshifumi Adachi, Kozo Nogi, Hiroki Inoue, Katsuyuki Wada, Yoshio Irie | 2009-01-06 |
| 7429009 | Process for production of water-absorbing material | Makoto Nagasawa, Shinichi Fujino | 2008-09-30 |
| 7378453 | Surface crosslinking treatment method of water-absorbing resin powder | Kozo Nogi, Shigeru Sakamoto, Noriaki Mizutani, Kunihiko Ishizaki | 2008-05-27 |
| 7347330 | Method for sizing of water-absorbent resin | Kozo Nogi, Koji Miyake | 2008-03-25 |
| 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 |