Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8647528 | Water absorbing agent and production method thereof | Kazushi Torii, Sayaka Machida, Yoshifumi Adachi | 2014-02-11 |
| 8513378 | Production method for water-absorbing resin powder | Sayaka Machida, Kazushi Torii, Yoko Shirai, Kunihiko Ishizaki | 2013-08-20 |
| 8302959 | Remaining sheet volume detecting apparatus and image forming apparatus | Takuo Matsumura | 2012-11-06 |
| 8252715 | Water-absorbing agent and production method thereof | Kazushi Torii, Yoshifumi Adachi, Taishi Kobayashi, Yusuke Watanabe, Toshimasa Kitayama | 2012-08-28 |
| 8128082 | Sheet feeding device and image forming apparatus with lifting and air blowing units | Takuo Matsumura | 2012-03-06 |
| 8076530 | Absorbent article with water-absorbing agent or agents | Juliane Kamphus, Shigeru Sakamoto, Sayaka Machida | 2011-12-13 |
| 8025284 | Remaining sheet volume detecting apparatus and image forming apparatus | Takuo Matsumura | 2011-09-27 |
| 7981833 | Aqueous-liquid-absorbing agent and its production process | Kazushi Torii, Shigeru Sakamoto, Taku Iwamura, Sayaka Machida | 2011-07-19 |
| 7935774 | Particulate water-absorbent polymer and production method thereof | Makoto Nagasawa | 2011-05-03 |
| 7879923 | Method for surface-treatment of water absorbent resin | Makoto Matsumoto, Yoshiro Mitsukami, Kazushi Torii, Taku Iwamura | 2011-02-01 |
| 7872076 | Particulate water-absorbent resin composition and its production process | Kazushi Torii, Taku Iwamura, Sayaka Machida, Hiroko Okochi | 2011-01-18 |
| 7816301 | Aqueous-liquid-absorbing agent and its production process | Shigeru Sakamoto, Sayaka Machida | 2010-10-19 |
| 7435477 | Particulate water absorbent containing water absorbent resin as a main component | Yoshifumi Adachi, Takahiro Kitano, Hirotama Fujimaru, Katsuyuki Wada | 2008-10-14 |
| 7402643 | Water-absorbent resin having treated surface and process for producing the same | Kazushi Torii, Taku Iwamura, Sayaka Machida | 2008-07-22 |
| 7312278 | Water-absorbing agent and production process therefor, and sanitary material | Yasuhisa Nakashima, Yasuhiro Fujita, Makoto Nagasawa, Shigeru Sakamoto, Yorimichi Dairoku +4 more | 2007-12-25 |
| 7238758 | Catalysts for polymerization or copolymerization of α-olefins, catalyst components thereof, and processes for polymerization of α-olefins with the catalysts | Motozo Yoshikiyo, Toshifumi Fukunaga, Hiroshi Sato, Toshikazu Machida, Takefumi Yano +1 more | 2007-07-03 |
| 6809158 | Water-absorbing agent and process for producing the same | Nobuyuki Harada, Yoshihiko Masuda | 2004-10-26 |
| 6562879 | Water-absorbent resin powder and its production process and use | Takumi Hatsuda, Koji Miyake, Yoshio Irie, Kunihiko Ishizaki | 2003-05-13 |
| 6376628 | Process for polymerization of alpha-olefin and alpha-olefin polymer | Shigeru Ikai, Yasuhisa Sakakibara, Hiroshi Satoh | 2002-04-23 |
| 6337416 | Preparation of (polycyclic secondary-amino)dialkoxysilane | Yasuhisa Sakakibara, Masayoshi Oue | 2002-01-08 |
| 5470930 | Process for producing polymer having hydroxyl group at both terminals | Taketo Toba, Kazuo Takei, Toshiaki Matsunaga, Fumihide Tamura | 1995-11-28 |
| 5391665 | Process for producing polymer having hydroxyl groups at both terminals | Toshiaki Matsunaga, Kazuo Takei, Taketo Toba, Fumihide Tamura | 1995-02-21 |
| 5391664 | Process for producing polymer | Kazuo Takei, Toshiaki Matsunaga, Taketo Toba, Fumihide Tamura | 1995-02-21 |
| 4989955 | Liquid crystal electro-optical element and process for preparation thereof | Kokichi Ito, Takamasa Harada, Koichiro Oka | 1991-02-05 |
| 4939003 | Liquid crystal element | Takao Aoki, Takamasa Harada, Kokichi Ito, Koji Iwasa, Norio Kawabe | 1990-07-03 |