Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9796820 | Method for producing water absorbent resin | Kenji Kadonaga, Kenji Tada, Seiji Kato | 2017-10-24 |
| 8648150 | Method for producing water absorbent resin | Kenji Kadonaga, Kenji Tada, Seiji Kato | 2014-02-11 |
| 8598405 | Waste solution solidifying agent, process for preparing the same and use of the same | Yoshihiko Masuda, Seiji Kato, Atsushi Tachibana, Kenji Kadonaga, Shigeru Oka | 2013-12-03 |
| 8598254 | Binding method of water absorbent resin | Kenji Tada, Kenji Kadonaga | 2013-12-03 |
| 8513364 | Production method of water-absorbent resin | Sumio Okuda, Yorimichi Dairoku, Shuji Kanzaki, Yoshihiro Kita, Motohiro Imura | 2013-08-20 |
| 8501873 | Water absorbent material, method for production of surface cross-linked water absorbent resin, and method for evaluation of water absorbent material | Kenji Kadonaga, Shigeru Sakamoto, Motohiro Imura, Tsunemasa Ueno, Hiroko Ueda +1 more | 2013-08-06 |
| 7638078 | Process for production of hydrogel particles and process for cutting of high-concentration hydrogel sheet | Kozo Nogi, Shigeru Sakamoto, Yasuhiro Fujita, Akihiro Morita, Hiroaki Hattori | 2009-12-29 |
| 7288601 | Method for production of water-absorbent resin and plow-shaped mixing device | Kozo Nogi, Kenji Kadonaga, Yoshio Irie, Shigeru Sakamoto, Koji Miyake | 2007-10-30 |
| 7001548 | Method for manufacture of porous product from molded high internal phase emulsion | Katsuhiko Sakamoto | 2006-02-21 |
| 6765029 | Method for production of porous cross-linked polymer sheet | Katsuhiko Sakamoto, Kozo Nogi, Motohiro Arakawa | 2004-07-20 |
| 6750263 | Method for production of porous cross-linked polymer | Katsuhiko Sakamoto, Kozo Nogi | 2004-06-15 |
| 6730712 | Method of manufacturing porous cross-linked polymer sheet | Katsuhiko Sakamoto, Kozo Nogi, Motohiro Arakawa | 2004-05-04 |
| 6730711 | Method for production of porous cross-linked polymer material | Kenji Kadonaga, Hiroki Inoue, Akiko Mitsuhashi, Hirotama Fujimaru, Masatoshi Yoshida +2 more | 2004-05-04 |
| 6395793 | Method for production of porous material | Kenji Kadonaga, Akiko Mitsuhashi, Hirotama Fujimaru, Kazutomo Takahashi, Masuji Izubayashi | 2002-05-28 |
| 6395792 | Method for production of porous cross-linked poymer | Kinya Nagasuna, Hirotama Fujimaru, Kenji Kadonaga, Kozo Nogi, Katsuhiko Sakamoto +1 more | 2002-05-28 |
| 6362243 | Method for production of porous cross-linked polymer | Katsuhiko Sakamoto, Hiroshi Yamazaki, Koichi Yonemura, Kenji Kadonaga, Akiko Mitsuhashi +3 more | 2002-03-26 |
| 6323250 | Method for production of porous material | Kenji Kadonaga, Akiko Mitsuhashi, Hirotama Fujimaru, Kazutomo Takahashi, Masuji Izubayashi | 2001-11-27 |
| 6274638 | Method for production of porous cross-linked polymer material | Koichi Yonemura, Hiroshi Yamazaki, Hirotama Fujimaru, Kinya Nagasuna | 2001-08-14 |
| 6191229 | (Meth)acryl syrup, method of manufacturing the same, and method of manufacturing molding material including the same | Akihiko Fukada, Keiichiro Mizuta | 2001-02-20 |
| 5073612 | Hydrophilic polymer and method for production thereof | Yoshio Irie, Shigeyasu Morihiro, Teruaki Fujiwara, Kaoru Iwasaki | 1991-12-17 |
| 4892902 | Method for production of aqueous dispersion of inorganic pigment | Shobu Shioji, Yorimichi Dairoku, Teruaki Fujiwara | 1990-01-09 |
| 4818783 | Method for production of aqueous dispersion of inorganic pigment | Shobu Shioji, Yorimichi Dairoku, Teruaki Fujiwara | 1989-04-04 |