Issued Patents All Time
Showing 26–50 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453091 | Method of producing water absorbent resin | Sumio Okuda, Syuji Kanzaki, Shinichi Fujino, Kozo Nogi | 2016-09-27 |
| 9382390 | Process for continuous production of water-absorbent resin product | Katsuhiro Kajikawa | 2016-07-05 |
| 9320822 | Polyacrylic acid (salt) water-absorbing resin and manufacturing method therefor | Satoshi Matsumoto, Takashi Miyamoto, Toyofumi Sakai, Yoshitake Ishii | 2016-04-26 |
| 9308290 | Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefrom | Katsuyuki Wada, Makoto Nagasawa | 2016-04-12 |
| 9272068 | Process for producing water-absorbing resin | Syuji Kanzaki, Sumio Okuda, Satoshi Matsumoto | 2016-03-01 |
| 9243079 | Polyacrylic acid-based water-absorbing resin powder and method for producing the same | Shigeru Sakamoto, Yoshio Irie, Kozo Nogi | 2016-01-26 |
| 9233186 | Process for producing water-absorbing resin | Syuji Kanzaki, Sumio Okuda, Satoshi Matsumoto | 2016-01-12 |
| 9138505 | Polyacrylic acid (salt)-type water absorbent resin and method for producing of same | Kozo Nogi, Katsuyuki Wada | 2015-09-22 |
| 9062140 | Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin | Hirotama Fujimaru, Sei Nakahara | 2015-06-23 |
| 9044525 | Polyacrylic acid (salt)-based water absorbent resin powder and method for producing the same | Kazushi Torii, Reiko Nakatsuru, Yasuhisa Nakashima, Katsuyuki Wada | 2015-06-02 |
| 9023951 | Polyacrylic acid (salt)-type water absorbent resin and method for producing of same | Kozo Nogi, Syuji Kanzaki | 2015-05-05 |
| 8907021 | Polyacrylic acid (salt)-type water absorbent resin and method for producing of same | Takahiro Kitano, Kozo Nogi | 2014-12-09 |
| 8859685 | Polyacrylic acid (salt)-type water absorbent resin and method for producing of same | Kozo Nogi, Kazumasa Konishi | 2014-10-14 |
| 8809475 | Production method for water-absorbent resin | Koji Matsumoto, Kozo Nogi, Shinichi Fujino, Yorimichi Dairoku | 2014-08-19 |
| 8802800 | Production method for water-absorbent resin | Shinichi Fujino, Kozo Nogi | 2014-08-12 |
| 8791210 | Polyacrylic water-absorbent resin powder and method for producing the same | Shigeru Sakamoto, Yoshio Irie, Kozo Nogi | 2014-07-29 |
| 8765906 | Method for producing polyacrylic acid (salt) type water absorbent resin powder | Yusuke Watanabe, Kazushi Torii, Kozo Nogi, Reiko Nakatsuru, Shigeru Sakamoto | 2014-07-01 |
| 8765857 | Particulate water retaining material for cultivating plant having water absorbent resin as main component | Hirotama Fujimaru, Yorimichi Dairoku, Yoshifumi Adachi, Nobuyuki Harada | 2014-07-01 |
| 8729191 | Production process of polyacrylic acid (salt) water-absorbent resin | Takaaki Kawano, Hirotama Fujimaru, Katsuyuki Wada | 2014-05-20 |
| 8648161 | Polyacrylic acid (salt) -based water-absorbent resin and a method for producing it | Shinichi Fujino, Eri Nagasawa, Satoshi Matsumoto | 2014-02-11 |
| 8596931 | Particulate water absorbing agent and method for producing the same | Teruhisa Nagashima, Masatoshi Nakamura, Yusuke Watanabe, Kozo Nogi | 2013-12-03 |
| 8552134 | Method of producing polyacrylic acid (salt) water-absorbent resin | Hirotama Fujimaru, Eri Goto, Atsushi Motoyama | 2013-10-08 |
| 8519212 | Water-absorbent resin, hydropolymer, process for producing them, and uses of them | Yorimichi Dairoku, Yoshio Irie, Shinichi Fujino, Yasuhiro Fujita, Takashi Azumi | 2013-08-27 |
| 8513378 | Production method for water-absorbing resin powder | Sayaka Machida, Kazushi Torii, Yoko Shirai, Hiroyuki Ikeuchi | 2013-08-20 |
| 8487048 | Water-absorbent resin and its production process | Katsuyuki Wada, Masatoshi Nakamura, Kazuki Kimura | 2013-07-16 |