Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970585 | Method for producing water-absorbent resin | Satoshi Matsumoto, Kunihiko Ishizaki | 2024-04-30 |
| 10640591 | Method for producing water-absorbent resin | Motohiro Imura, Shin-ichi Fujino, Ryota WAKABAYASHI, Kozo Nogi, Koji Honda +1 more | 2020-05-05 |
| 10099254 | Classification method of particulate water absorbent resin | Kazumasa Konishi, Yorimichi Dairoku, Shinichi Fujino | 2018-10-16 |
| 10059817 | Method for producing polyacrylic acid (salt)-based water absorbing agent, and water absorbing agent | Kazuki Kimura, Yusuke Watanabe, Sayaka Machida, Taku Fujimoto | 2018-08-28 |
| 9796820 | Method for producing water absorbent resin | Kenji Tada, Masazumi Sasabe, Seiji Kato | 2017-10-24 |
| 9550843 | Method for producing polyacrylic acid (salt)-based water absorbent resin | Satoshi Matsumoto, Makoto Matsumoto, Seiji Kato, Kazumasa Konishi, Shinichi Fujino | 2017-01-24 |
| 9518180 | Method for producing polyacrylic acid (salt)-based water absorbing agent, and water absorbing agent | Kazuki Kimura, Yusuke Watanabe, Sayaka Machida, Taku Fujimoto | 2016-12-13 |
| 8648150 | Method for producing water absorbent resin | Kenji Tada, Masazumi Sasabe, Seiji Kato | 2014-02-11 |
| 8598405 | Waste solution solidifying agent, process for preparing the same and use of the same | Yoshihiko Masuda, Masazumi Sasabe, Seiji Kato, Atsushi Tachibana, Shigeru Oka | 2013-12-03 |
| 8598254 | Binding method of water absorbent resin | Kenji Tada, Masazumi Sasabe | 2013-12-03 |
| 8501873 | Water absorbent material, method for production of surface cross-linked water absorbent resin, and method for evaluation of water absorbent material | Masazumi Sasabe, Shigeru Sakamoto, Motohiro Imura, Tsunemasa Ueno, Hiroko Ueda +1 more | 2013-08-06 |
| 8426670 | Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method | Kinya Nagasuna, Akiko Mitsuhashi, Motohiro Imura | 2013-04-23 |
| 8247491 | Water-absorbent resin composition and its production process | Kazushi Torii, Yoshiro Mitsukami, Motohiro Imura, Taku Iwamura, Toshimasa Kitayama +6 more | 2012-08-21 |
| 7851550 | Method for surface crosslinking water-absorbing resin and method for manufacturing water-absorbing resin | Yorimichi Dairoku, Shin-ichi Fujino, Hiroko Okochi, Yoshio Irie, Hideyuki Tahara | 2010-12-14 |
| 7750085 | Water-absorbing agent and its production process | Kazushi Torii, Hirofumi Shibata, Taku Iwamura, Kazuki Kimura, Koji Miyake +1 more | 2010-07-06 |
| 7288601 | Method for production of water-absorbent resin and plow-shaped mixing device | Kozo Nogi, Masazumi Sasabe, Yoshio Irie, Shigeru Sakamoto, Koji Miyake | 2007-10-30 |
| 6846439 | Process for producing porous polymer | Kenji Minami | 2005-01-25 |
| 6822010 | Method for production of porous material | Hirotama Fujimaru, Hiroki Inoue, Kinya Nagasuna | 2004-11-23 |
| 6797735 | Process for producing porous polymer | Kinya Nagasuna, Hirotama Fujimaru, Kozo Nogi, Kenji Minami | 2004-09-28 |
| 6730711 | Method for production of porous cross-linked polymer material | Masazumi Sasabe, Hiroki Inoue, Akiko Mitsuhashi, Hirotama Fujimaru, Masatoshi Yoshida +2 more | 2004-05-04 |
| 6649665 | Method for production of porous cross-linked polymer material | Akiko Mitsuhashi, Kazutomo Takahashi | 2003-11-18 |
| 6630519 | Process for producing porous polymer | Hirotama Fujimaru, Kinya Nagasuna, Kenji Minami | 2003-10-07 |
| 6395793 | Method for production of porous material | Akiko Mitsuhashi, Hirotama Fujimaru, Masazumi Sasabe, Kazutomo Takahashi, Masuji Izubayashi | 2002-05-28 |
| 6395792 | Method for production of porous cross-linked poymer | Kinya Nagasuna, Hirotama Fujimaru, Kozo Nogi, Katsuhiko Sakamoto, Masazumi Sasabe +1 more | 2002-05-28 |
| 6362243 | Method for production of porous cross-linked polymer | Masazumi Sasabe, Katsuhiko Sakamoto, Hiroshi Yamazaki, Koichi Yonemura, Akiko Mitsuhashi +3 more | 2002-03-26 |