Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9044525 | Polyacrylic acid (salt)-based water absorbent resin powder and method for producing the same | Reiko Nakatsuru, Yasuhisa Nakashima, Katsuyuki Wada, Kunihiko Ishizaki | 2015-06-02 |
| 9012356 | Method for producing polyacrylic acid (salt)-based water absorbent resin | Koji Tachi, Hironori Sato, Hiroyuki Ikeuchi | 2015-04-21 |
| 8845924 | Water absorbing agent and production method thereof | Yoshifumi Adachi, Yusuke Watanabe, Taishi Kobayashi, Toshimasa Kitayama, Seiichi Suzuki +1 more | 2014-09-30 |
| 8765906 | Method for producing polyacrylic acid (salt) type water absorbent resin powder | Yusuke Watanabe, Kozo Nogi, Kunihiko Ishizaki, Reiko Nakatsuru, Shigeru Sakamoto | 2014-07-01 |
| 8735646 | Diaper with improved body fit | Holger Beruda, Yasue Nakagawa, Mattias Schmidt, Hiroyuki Ikeuchi, Shigeru Sakamoto +2 more | 2014-05-27 |
| 8647528 | Water absorbing agent and production method thereof | Sayaka Machida, Yoshifumi Adachi, Hiroyuki Ikeuchi | 2014-02-11 |
| 8513378 | Production method for water-absorbing resin powder | Sayaka Machida, Yoko Shirai, Hiroyuki Ikeuchi, Kunihiko Ishizaki | 2013-08-20 |
| 8497226 | Water absorbent and producing method of same | Hirofumi Shibata, Taku Iwamura, Yoshio Irie, Yorimichi Dairoku, Yoshiro Mitsukami +1 more | 2013-07-30 |
| 8383747 | Water absorbent resin production method, water absorbent resin, and usage thereof | Taishi Kobayashi | 2013-02-26 |
| 8383746 | Water absorbing resin with improved internal structure and manufacturing method therefor | Hirofumi Shibata | 2013-02-26 |
| 8257610 | Water absorbing agent and production method thereof | Taishi Kobayashi, Yoshifumi Adachi, Yusuke Watanabe, Toshimasa Kitayama | 2012-09-04 |
| 8252715 | Water-absorbing agent and production method thereof | Yoshifumi Adachi, Taishi Kobayashi, Yusuke Watanabe, Hiroyuki Ikeuchi, Toshimasa Kitayama | 2012-08-28 |
| 8247491 | Water-absorbent resin composition and its production process | Yoshiro Mitsukami, Motohiro Imura, Taku Iwamura, Toshimasa Kitayama, Kenji Kadonaga +6 more | 2012-08-21 |
| 8198209 | Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent | Hirofumi Shibata, Kazuki Kimura, Yasuhisa Nakashima, Motohiro Imura, Hiroko Ueda +1 more | 2012-06-12 |
| 8044157 | Water absorbent resin production method and usage thereof | Taishi Kobayashi | 2011-10-25 |
| 7981833 | Aqueous-liquid-absorbing agent and its production process | Hiroyuki Ikeuchi, Shigeru Sakamoto, Taku Iwamura, Sayaka Machida | 2011-07-19 |
| 7960469 | Water absorbent resin composition and production method thereof | Yoshifumi Adachi, Takahiro Kitano, Shinichi Fujino, Katsuyuki Wada, Taku Iwamura +1 more | 2011-06-14 |
| 7919564 | Method for manufacturing particulate water-absorbing agent and particulate water-absorbing agent | Hirofumi Shibata | 2011-04-05 |
| 7879923 | Method for surface-treatment of water absorbent resin | Makoto Matsumoto, Yoshiro Mitsukami, Hiroyuki Ikeuchi, Taku Iwamura | 2011-02-01 |
| 7872076 | Particulate water-absorbent resin composition and its production process | Hiroyuki Ikeuchi, Taku Iwamura, Sayaka Machida, Hiroko Okochi | 2011-01-18 |
| 7803880 | Water absorbent and producing method of same | Hirofumi Shibata, Taku Iwamura, Yoshio Irie, Yorimichi Dairoku, Yoshiro Mitsukami +1 more | 2010-09-28 |
| 7750085 | Water-absorbing agent and its production process | Kenji Kadonaga, Hirofumi Shibata, Taku Iwamura, Kazuki Kimura, Koji Miyake +1 more | 2010-07-06 |
| 7638570 | Water-absorbing agent | Yoshiro Mitsukami, Motohiro Imura, Taku Iwamura | 2009-12-29 |
| 7495056 | Water-absorbing agent and production process therefor, and water-absorbent structure | Toshimasa Kitayama, Nobuyuki Harada | 2009-02-24 |
| 7402643 | Water-absorbent resin having treated surface and process for producing the same | Taku Iwamura, Hiroyuki Ikeuchi, Sayaka Machida | 2008-07-22 |