ISHIZAKI; Kunihiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for ISHIZAKI; Kunihiko.The latest application filed is for "cement additive, cement admixture, cement composition, molded body, and method for improving strength of molded body".

Company Profile

13.130.100

ISHIZAKI; Kunihiko - Hyogo JP
ISHIZAKI; Kunihiko - Himeji-shi Hyogo
Ishizaki; Kunihiko - Suita JP
Ishizaki; Kunihiko - Suita-Shi JP
Ishizaki; Kunihiko - Himeji N/A JP
Ishizaki; Kunihiko - Osaka N/A JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cement Additive, Cement Admixture, Cement Composition, Molded Body, And Method For Improving Strength Of Molded Body App 20220212995 - TAKAYAMA; Takeshi ; et al.	2022-07-07
Method For Producing Water-absorbent Resin Particles App 20210269606 - WAKABAYASHI; Ryota ; et al.	2021-09-02
Method For Producing Water-absorbent Resin App 20210147637 - MATSUMOTO; Satoshi ; et al.	2021-05-20
Water Absorbent Resin Powder For Heat-generating Element Composition, And Heat-generating Element Composition App 20210100684 - KITABATA; Sachie ; et al.	2021-04-08
Polyacrylic acid (salt), polyacrylic acid (salt)-based water-absorbing resin, and process for producing same Grant 10,640,593 - Matsumoto , et al.	2020-05-05
Polyacrylic acid (salt), polyacrylic acid (salt)-based water-absorbing resin, and process for producing same Grant 10,640,588 - Matsumoto , et al.	2020-05-05
Water Absorbent Sheet, Elongated Water Absorbent Sheet, And Absorbent Article App 20200023625 - TORII; Kazushi ; et al.	2020-01-23
Method for producing particulate water-absorbing agent Grant 10,537,874 - Torii , et al. Ja	2020-01-21
Method for producing polyacrylic acid (salt)-based water absorbent resin powder Grant 10,493,429 - Nogi , et al. De	2019-12-03
Package of water absorbent resin powder Grant 10,472,429 - Kajikawa , et al. Nov	2019-11-12
Method For Producing Water-absorbent Resin Powder And Production Apparatus Therefor App 20190329219 - WATABE; Hiroyasu ; et al.	2019-10-31
Method For Producing Water-absorbent Resin Powder, And Drying Device And Drying Method For Particulate Hydrous Gel App 20190329220 - WATABE; Hiroyasu ; et al.	2019-10-31
Package Of Water Absorbent Resin Powder App 20190233548 - Kajikawa; Katsuhiro ; et al.	2019-08-01
Process for producing water-absorbing resin Grant 10,307,506 - Kanzaki , et al.	2019-06-04
Production method of water absorbent resin powder and package of water absorbent resin powder Grant 10,301,398 - Kajikawa , et al.	2019-05-28
Polyacrylic acid (salt)-based water absorbent resin and method for producing same Grant 10,294,315 - Matsumoto , et al.	2019-05-21
Process for producing water-absorbing resin powder Grant 9,976,001 - Okuda , et al. May 22, 2	2018-05-22
Polyacrylic acid (salt)-based water absorbent resin, and method for production thereof Grant 9,962,680 - Matsumoto , et al. May 8, 2	2018-05-08
Method For Producing Particulate Water-absorbing Agent That Has Polyacrylic Acid (salt)-based Water-absorbing Resin As Main Component App 20180071714 - TORII; Kazushi ; et al.	2018-03-15
Method for producing polyacrylic acid (salt)-based water-absorbable resin Grant 9,896,529 - Matsumoto , et al. February 20, 2	2018-02-20
Method for producing polyacrylic acid (salt)-based water-absorbing resin Grant 9,873,104 - Matsumoto , et al. January 23, 2	2018-01-23
Method for producing polyacrylic acid (salt)-based water-absorbent resin Grant 9,868,800 - Fujino , et al. January 16, 2	2018-01-16
Method For Producing Polyacrylic Acid (salt)-based Water-absorbing Resin App 20170216816 - MATSUMOTO; Satoshi ; et al.	2017-08-03
Polyacrylic Acid (salt), Polyacrylic Acid (salt)-based Water-absorbing Resin, And Process For Producing Same App 20170166670 - MATSUMOTO; Satoshi ; et al.	2017-06-15
Polyacrylic Acid (salt), Polyacrylic Acid (salt)-based Water-absorbing Resin, And Process For Producing Same App 20170158791 - MATSUMOTO; Satoshi ; et al.	2017-06-08
Method of producing water absorbent resin Grant 9,624,322 - Okuda , et al. April 18, 2	2017-04-18
Method for producing water absorbent resin particle Grant 9,593,212 - Sakamoto , et al. March 14, 2	2017-03-14
Method For Producing Polyacrylic Acid (salt)-based Water-absorbable Resin App 20170066862 - MATSUMOTO; Satoshi ; et al.	2017-03-09
Method and apparatus for producing polyacrylic acid (salt)-based water absorbent resin Grant 9,580,519 - Nogi , et al. February 28, 2	2017-02-28
Method For Producing Polyacrylic Acid (salt)-based Water-absorbent Resin App 20170044281 - FUJINO; Shinichi ; et al.	2017-02-16
Method for producing polyacrylic acid (salt)-based water absorbent resin powder Grant 9,567,414 - Nogi , et al. February 14, 2	2017-02-14
Hydrophilic polyacrylic acid (salt) resin and manufacturing method thereof Grant 9,518,133 - Fujino , et al. December 13, 2	2016-12-13
Process For Producing Water-absorbing Polyacrylic Acid (salt) Resin App 20160279602 - NAGASAWA; Makoto ; et al.	2016-09-29
Method of producing water absorbent resin Grant 9,453,091 - Okuda , et al. September 27, 2	2016-09-27
Process for continuous production of water-absorbent resin product Grant 9,382,390 - Ishizaki , et al. July 5, 2	2016-07-05
Polyacrylic acid (salt) water-absorbing resin and manufacturing method therefor Grant 9,320,822 - Matsumoto , et al. April 26, 2	2016-04-26
Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefrom Grant 9,308,290 - Wada , et al. April 12, 2	2016-04-12
Process for producing water-absorbing resin Grant 9,272,068 - Kanzaki , et al. March 1, 2	2016-03-01
Polyacrylic acid-based water-absorbing resin powder and method for producing the same Grant 9,243,079 - Sakamoto , et al. January 26, 2	2016-01-26
Process for producing water-absorbing resin Grant 9,233,186 - Kanzaki , et al. January 12, 2	2016-01-12
Polyacrylic acid (salt)-type water absorbent resin and method for producing of same Grant 9,138,505 - Nogi , et al. September 22, 2	2015-09-22
Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin Grant 9,062,140 - Fujimaru , et al. June 23, 2	2015-06-23
Polyacrylic acid (salt)-based water absorbent resin powder and method for producing the same Grant 9,044,525 - Torii , et al. June 2, 2	2015-06-02
Polyacrylic acid (salt)-type water absorbent resin and method for producing of same Grant 9,023,951 - Nogi , et al. May 5, 2	2015-05-05
Polyacrylic Acid (salt) Water-absorbing Resin And Manufacturing Method Therefor App 20150011388 - Matsumoto; Satoshi ; et al.	2015-01-08
Polyacrylic acid (salt)-type water absorbent resin and method for producing of same Grant 8,907,021 - Kitano , et al. December 9, 2	2014-12-09
Polyacrylic acid (salt)-type water absorbent resin and method for producing of same Grant 8,859,685 - Nogi , et al. October 14, 2	2014-10-14
Polyacrylic Acid-based Water-absorbing Resin Powder And Method For Producing The Same App 20140296465 - SAKAMOTO; Shigeru ; et al.	2014-10-02
Production method for water-absorbent resin Grant 8,809,475 - Matsumoto , et al. August 19, 2	2014-08-19
Production method for water-absorbent resin Grant 8,802,800 - Fujino , et al. August 12, 2	2014-08-12
Polyacrylic water-absorbent resin powder and method for producing the same Grant 8,791,210 - Sakamoto , et al. July 29, 2	2014-07-29
Polyacrylic Acid (Salt)-Based Water Absorbent Resin Powder and Method for Producing the Same App 20140193641 - Torii; Kazushi ; et al.	2014-07-10
Particulate water retaining material for cultivating plant having water absorbent resin as main component Grant 8,765,857 - Fujimaru , et al. July 1, 2	2014-07-01
Method for producing polyacrylic acid (salt) type water absorbent resin powder Grant 8,765,906 - Watanabe , et al. July 1, 2	2014-07-01
Production process of polyacrylic acid (salt) water-absorbent resin Grant 8,729,191 - Kawano , et al. May 20, 2	2014-05-20
Method And Apparatus For Producing Polyacrylic Acid (salt)-based Water Absorbent Resin App 20140114035 - Nogi; Kozo ; et al.	2014-04-24
Water-absorbing Agent, Manufacture Method Thereof, And Absorbent And Absorbent Article Made Therefrom App 20140058346 - WADA; Katsuyuki ; et al.	2014-02-27
Method For Producing Polyacrylic Acid (salt)-based Water Absorbent Resin Powder App 20140042364 - Nogi; Kozo ; et al.	2014-02-13
Polyacrylic acid (salt) -based water-absorbent resin and a method for producing it Grant 8,648,161 - Fujino , et al. February 11, 2	2014-02-11
Method For Producing Polyacrylic Acid (salt)-based Water Absorbent Resin Powder App 20140031473 - Nogi; Kozo ; et al.	2014-01-30
Particulate water absorbing agent and method for producing the same Grant 8,596,931 - Nagashima , et al. December 3, 2	2013-12-03
Polyacrylic Acid (salt)-based Water Absorbent Resin, And Method For Production Thereof App 20130264517 - Matsumoto; Satoshi ; et al.	2013-10-10
Method of producing polyacrylic acid (salt) water-absorbent resin Grant 8,552,134 - Fujimaru , et al. October 8, 2	2013-10-08
Water-absorbent resin, hydropolymer, process for producing them, and uses of them Grant 8,519,212 - Dairoku , et al. August 27, 2	2013-08-27
Production method for water-absorbing resin powder Grant 8,513,378 - Machida , et al. August 20, 2	2013-08-20
Water-absorbent resin and its production process Grant 8,487,048 - Wada , et al. July 16, 2	2013-07-16
Particulate water absorbing agent including polyacrylic acid (polyacrylate) based water absorbing resin as a principal component, method for production thereof, water-absorbent core and absorbing article in which the particulate water absorbing agent is used Grant 8,481,664 - Dairoku , et al. July 9, 2	2013-07-09
Method Of Producing Absorbent Resin App 20130123435 - Okuda; Sumio ; et al.	2013-05-16
Production method and method for enhancing liquid permeability of water-absorbing resin Grant 8,436,090 - Dairoku , et al. May 7, 2	2013-05-07
Method For Producing Polyacrylic Acid (salt)-based Water Absorbent Resin Powder App 20130102750 - Watanabe; Yusuke ; et al.	2013-04-25
Method for production of particulate water absorbent comprising water-absorbable resin as main ingredient Grant 8,424,786 - Ishizaki , et al. April 23, 2	2013-04-23
Production method for water-absorbing resin Grant 8,410,223 - Matsumoto , et al. April 2, 2	2013-04-02
Method Of Producing Water Absorbent Resin App 20130066019 - Okuda; Sumio ; et al.	2013-03-14
Polyacrylic Acid (salt), Polyacrylic Acid (salt)-based Water-absorbing Resin, And Process For Producing Same App 20130043384 - Matsumoto; Satoshi ; et al.	2013-02-21
Polyacrylic Acid (salt), Polyacrylic Acid (salt)-based Water-absorbing Resin, And Process For Producing Same App 20130037708 - Matsumoto; Satoshi ; et al.	2013-02-14
Process For Producing Water-absorbing Resin App 20130005919 - Kanzaki; Syuji ; et al.	2013-01-03
Process For Producing Water-absorbing Resin App 20130005904 - Kanzaki; Syuji ; et al.	2013-01-03
Process For Producing Water-absorbing Resin App 20130005926 - Kanzaki; Syuji ; et al.	2013-01-03
Process For Producing Water-absorbing Resin Powder App 20120298915 - Okuda; Sumio ; et al.	2012-11-29
Method of producing particle-shape water-absorbing resin material Grant 8,309,654 - Miyake , et al. November 13, 2	2012-11-13
Production Method For Water-absorbing Resin Powder App 20120220733 - Machida; Sayaka ; et al.	2012-08-30
Production Method For Water-absorbing Resin Powder App 20120220745 - Machida; Sayaka ; et al.	2012-08-30
Polyacrylic Acid (salt)-based Water Absorbent Resin And Method For Producing Same App 20120189861 - Matsumoto; Satoshi ; et al.	2012-07-26
Polyacrylic Acid (salt)-type Water Absorbent Resin And Method For Producing Of Same App 20120172536 - Nogi; Kozo ; et al.	2012-07-05
Polyacrylic Acid (salt)-type Water Absorbent Resin And Method For Producing Of Same App 20120157635 - Nogi; Kozo ; et al.	2012-06-21
Production Method For Water-absorbent Resin App 20120157648 - Matsumoto; Koji ; et al.	2012-06-21
Polyacrylic Acid (salt)-type Water Absorbent Resin And Method For Producing Of Same App 20120157625 - Kitano; Takahiro ; et al.	2012-06-21
Production Method For Water-absorbent Resin App 20120157644 - Fujino; Shinichi ; et al.	2012-06-21
Polyacrylic Acid (salt)-type Water Absorbent Resin And Method For Producing Of Same App 20120157650 - Nogi; Kozo ; et al.	2012-06-21
Particulate water absorbing agent comprising crosslinked absorbent resin and having low residual monomer, water absorbing article and method for production of water absorbing agent Grant 8,182,916 - Kimura , et al. May 22, 2	2012-05-22
Production method for water-absorbing resin Grant 8,148,485 - Nogi , et al. April 3, 2	2012-04-03
Method for producing particulate water--absorbing agent composed principally of water absorbing resin Grant 8,138,292 - Matsumoto , et al. March 20, 2	2012-03-20
Hydrophilic Polyacrylic Acid (salt) Resin And Manufacturing Method Thereof App 20120010372 - Fujino; Shinichi ; et al.	2012-01-12
Polyacrylic water-absorbent resin powder and method for producing the same App 20110313113 - Sakamoto; Shigeru ; et al.	2011-12-22
Polyacrylic Acid (salt) -based Water-absorbent Resin And A Method For Producing It App 20110306732 - Fujino; Shinichi ; et al.	2011-12-15
Water-absorbent Resin Manufacturing Method And Liquid Permeability Improvement Method App 20110166300 - Dairoku; Yorimichi ; et al.	2011-07-07
Polyacrylic acid (salt)-based water-absorbent resin and method for producing same App 20110034603 - Fujino; Shinichi ; et al.	2011-02-10
Process For Production Of Water-absorbing Resins App 20110028670 - Matsumoto; Koji ; et al.	2011-02-03
Method For Production Of Particulate Water Absorbent Comprising Water-absorbable Resin As Main Ingredient App 20110006140 - Ishizaki; Kunihiko ; et al.	2011-01-13
Water-absorbent composition, process for production thereof, absorbent and absorbing product Grant 7,825,169 - Wada , et al. November 2, 2	2010-11-02
Water-absorbent resin, hydropolymer, process for producing them, and uses of them App 20100222758 - DAIROKU; Yorimichi ; et al.	2010-09-02
Water-absorbent resin, hydropolymer, process for producing them, and uses of them Grant 7,741,400 - Dairoku , et al. June 22, 2	2010-06-22
Particulate Water Absorbing Agent And Method For Producing The Same App 20100119312 - Nagashima; Teruhisa ; et al.	2010-05-13
Water absorbing agent, water absorbing article and method for production of water absorbing agent App 20100062252 - Kimura; Kazuki ; et al.	2010-03-11
Production Method Of Water Absorbent Resin Powder And Package Of Water Absorbent Resin Powder App 20090321682 - Kajikawa; Katsuhiro ; et al.	2009-12-31
Particulate Water Absorbing Agent Including Polyacrylic Acid (Polyacrylate) Based Water Absorbing Resin as a Principal Component, Method for Production Thereof, Water-Absorbent Core and Absorbing Article in Which the Particulate Water Absorbing Agent is Used App 20090318885 - Dairoku; Yorimichi ; et al.	2009-12-24
Method for Producing Water Absorbent Resin Particle App 20090305884 - Sakamoto; Shigeru ; et al.	2009-12-10
Particulate water-absorbing agent containing water-absorbent resin as a main component Grant 7,510,988 - Wada , et al. March 31, 2	2009-03-31
Particulate water-absorbing agent with water-absorbing resin as main component, method for production of the same, and absorbing article App 20090036855 - Wada; Katsuyuki ; et al.	2009-02-05
Particulate water absorbing agent with irregularly pulverized shape Grant 7,473,470 - Ishizaki , et al. January 6, 2	2009-01-06
Production Process of Polyacrylic Acid (Salt) Water-Absorbent Resin App 20080161512 - Kawano; Takaaki ; et al.	2008-07-03
Surface crosslinking treatment method of water-absorbing resin powder Grant 7,378,453 - Nogi , et al. May 27, 2	2008-05-27
Polyacrylic Acid (Salt) Water-Absorbent Resin, Production Process Thereof, and Acrylic Acid Used in Polymerization for Production of Water-Absorbent Resin App 20080119626 - Fujimaru; Hirotama ; et al.	2008-05-22
Particulate Water-Absorbing Agent Containing Water-Absorbent Resin as a Main Component App 20080075937 - Wada; Katsuyuki ; et al.	2008-03-27
Method Of Producing Polyacrylic Acid (salt) Water-absorbent Resin App 20070232760 - Fujimaru; Hirotama ; et al.	2007-10-04
Absorbent resin composition Grant 7,250,459 - Dairoku , et al. July 31, 2	2007-07-31
Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefrom App 20070173610 - Wada; Katsuyuki ; et al.	2007-07-26
Production process for water-absorbent resin Grant 7,238,743 - Matsumoto , et al. July 3, 2	2007-07-03
Process for continuous production of water-absorbent resin product App 20070149691 - Ishizaki; Kunihiko ; et al.	2007-06-28
Particulate water absorbing agent with irregularly pulverized shape App 20070141338 - Ishizaki; Kunihiko ; et al.	2007-06-21
Particulate water retaining material for cultivating plant having water absorbent resin as main component App 20070101644 - Fujimaru; Hirotama ; et al.	2007-05-10
Water-absorbent resin composition Grant 7,196,139 - Fujimaru , et al. March 27, 2	2007-03-27
Process for continuous production of water-absorbent resin product Grant 7,193,006 - Ishizaki , et al. March 20, 2	2007-03-20
Water-absorbent resin and production process therefor Grant 7,183,456 - Hatsuda , et al. February 27, 2	2007-02-27
Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule Grant 7,153,910 - Dairoku , et al. December 26, 2	2006-12-26
Water-absorbent resin and its production process App 20060276598 - Wada; Katsuyuki ; et al.	2006-12-07
Water-absorbent resin, hydropolymer, process for producing them, and uses of them App 20060229370 - Dairoku; Yorimichi ; et al.	2006-10-12
Water-absorbent resin, hydropolymer, process for producing them, and uses of them Grant 7,091,253 - Dairoku , et al. August 15, 2	2006-08-15
Method for production of hydrophilic resin Grant 7,078,458 - Irie , et al. July 18, 2	2006-07-18
Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin Grant 7,049,366 - Nakahara , et al. May 23, 2	2006-05-23
Method for producing polyacrylic acid Grant 7,038,081 - Matsumoto , et al. May 2, 2	2006-05-02
Water-absorbent resin and production process therefor Grant 7,009,010 - Kanto , et al. March 7, 2	2006-03-07
Method for production of hydrophilic resin Grant 6,998,447 - Irie , et al. February 14, 2	2006-02-14
Absorbent resin composition App 20060025536 - Dairoku; Yorimichi ; et al.	2006-02-02
Water-absorbent agent, method for production thereof, and water-absorbent composition Grant 6,992,144 - Dairoku , et al. January 31, 2	2006-01-31
Production process for water-absorbent resin App 20050228154 - Matsumoto, Yukihiro ; et al.	2005-10-13
Production process for water-absorbent resin Grant 6,927,268 - Matsumoto , et al. August 9, 2	2005-08-09
Water-absorbent resin, hydropolymer, process for producing them, and uses of them Grant 6,906,159 - Dairoku , et al. June 14, 2	2005-06-14
Method of producing particle-shape water-absorbing resin material App 20050113252 - Miyake, Koji ; et al.	2005-05-26
Method for production of hydrophilic resin App 20050113542 - Irie, Yoshio ; et al.	2005-05-26
Water-absorbent resin, hydropolymer, process for producing them, and uses of them App 20050054788 - Dairoku, Yorimichi ; et al.	2005-03-10
Water-absorbent resin composition App 20040254553 - Fujimaru, Hirotama ; et al.	2004-12-16
Water-absorbent resin and production process therefor App 20040186244 - Hatsuda, Takumi ; et al.	2004-09-23
Surface crosslinking treatment method of water-absorbing resin powder App 20040181031 - Nogi, Kozo ; et al.	2004-09-16
Acrylic acid composition and its production process, and process for producing water- absorbent resin using this acrylic acid composition, and water-absorbent resin App 20040110914 - Nakahara, Sei ; et al.	2004-06-10
Process for continuous production of water-absorbent resin product App 20040110006 - Ishizaki, Kunihiko ; et al.	2004-06-10
Continuous production process for water-absorbent resin powder and powder surface detector used therefor Grant 6,727,345 - Kajikawa , et al. April 27, 2	2004-04-27
Water-absorbent resin and production process therefor Grant 6,720,389 - Hatsuda , et al. April 13, 2	2004-04-13
Water-absorbent resin powder and its production process and uses Grant 6,716,894 - Kajikawa , et al. April 6, 2	2004-04-06
Water-absorbent Composition,process For Production Thereof,absorbent And Absorbing Product App 20040048955 - Wada, Katsuyuki ; et al.	2004-03-11
Continuous manufacturing method of water-absorbent polymer Grant 6,667,372 - Miyake , et al. December 23, 2	2003-12-23
Method for producing polyacrylic acid App 20030181621 - Matsumoto, Yukihiro ; et al.	2003-09-25
Absorbent, absorbing product based thereon, and water-absorbing resin Grant 6,617,489 - Wada , et al. September 9, 2	2003-09-09
Process for treating wastes from acrylic acid and polyacrylic acid production processes App 20030143143 - Matsumoto, Yukihiro ; et al.	2003-07-31
Water-absorbent resin powder and production process therefor Grant 6,576,713 - Ishizaki , et al. June 10, 2	2003-06-10
Water-absorbent agent, method for production thereof, and water-absorbent composition App 20030092849 - Dairoku, Yorimichi ; et al.	2003-05-15
Water-absorbent resin powder and its production process and uses App 20030087983 - Kajikawa, Katsuhiro ; et al.	2003-05-08
Continuous production process for water-absorbent resin powder and powder surface detector used therefor App 20030020199 - Kajikawa, Katsuhiro ; et al.	2003-01-30
Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule App 20030008946 - Dairoku, Yorimichi ; et al.	2003-01-09
Method for production of hydrophilic resin App 20020161132 - Irie, Yoshio ; et al.	2002-10-31
Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule Grant 6,458,921 - Dairoku , et al. October 1, 2	2002-10-01
Hydrophilic resin, absorbent article, and acrylic acid for polymerization Grant 6,444,744 - Fujimaru , et al. September 3, 2	2002-09-03
Production process for water-absorbent resin App 20020120085 - Matsumoto, Yukihiro ; et al.	2002-08-29
Water-absorbent resin and production process therefor App 20020061978 - Hatsuda, Takumi ; et al.	2002-05-23
Method for production of hydrophilic resin Grant 6,388,000 - Irie , et al. May 14, 2	2002-05-14
Water-absorbent resin, hydropolymer, process for producing them, and uses of them App 20020040095 - Dairoku, Yorimichi ; et al.	2002-04-04
Water-absorbent Agent, Method For Production Thereof, And Water- Absorbent Composition App 20020013394 - DAIROKU, YORIMICHI ; et al.	2002-01-31
Absorbent, absorbing product based thereon, and water-absorbing resin App 20020007170 - Wada, Katsuyuki ; et al.	2002-01-17
Water-absorbing agent and production process therefor Grant 6,297,319 - Nagasuna , et al. October 2, 2	2001-10-02
Water-absorbent resin powder and production process therefor App 20010025093 - Ishizaki, Kunihiko ; et al.	2001-09-27
Surface-crosslinking process for water-absorbent resin Grant 6,254,990 - Ishizaki , et al. July 3, 2	2001-07-03
Process for production of water absorbent resin Grant 6,251,960 - Ishizaki , et al. June 26, 2	2001-06-26
Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule Grant 6,228,930 - Dairoku , et al. May 8, 2	2001-05-08
Pressure-resistant absorbent resin, disposable diaper using the resin, and absorbent resin, and method for production thereof Grant 6,184,433 - Harada , et al. February 6, 2	2001-02-06
Water absorbing agent, manufacturing method thereof, and manufacturing machine thereof Grant 6,071,976 - Dairoku , et al. June 6, 2	2000-06-06
Water-absorbent resin, process for production thereof, and water-absorbent resin composition Grant 5,985,944 - Ishizaki , et al. November 16, 1	1999-11-16
Water-absorbent agent powders and manufacturing method of the same Grant 5,981,070 - Ishizaki , et al. November 9, 1	1999-11-09
Absorbing agent composition, absorbent material, and absorbent product containing absorbent material Grant 5,797,893 - Wada , et al. August 25, 1	1998-08-25
Water-absorbent agent, method for production thereof, and water-absorbent composition Grant 5,610,208 - Dairoku , et al. March 11, 1	1997-03-11
Body fluid-adsorbing article Grant 4,959,060 - Shimomura , et al. September 25, 1	1990-09-25
Method for production of hydrophilic polymer from hydrated gel polymer Grant 4,920,202 - Irie , et al. April 24, 1	1990-04-24