P

Inventor

ISHIZAKI KUNIHIKO

JP104 patents
⚠️ This page may combine multiple inventors who share the name “ISHIZAKI KUNIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON CATALYTIC CHEM IND

38 patents
US6906159B2Jun 14, 2005

Water-absorbent resin, hydropolymer, process for producing them, and uses of them

NIPPON CATALYTIC CHEM IND98 citations99
US5797893AAug 25, 1998

Absorbing agent composition, absorbent material, and absorbent product containing absorbent material

NIPPON CATALYTIC CHEM IND140 citations99
US5610208AMar 11, 1997

Water-absorbent agent, method for production thereof, and water-absorbent composition

NIPPON CATALYTIC CHEM IND150 citations99
US7183456B2Feb 27, 2007

Water-absorbent resin and production process therefor

NIPPON CATALYTIC CHEM IND78 citations98
US7091253B2Aug 15, 2006

Water-absorbent resin, hydropolymer, process for producing them, and uses of them

NIPPON CATALYTIC CHEM IND87 citations98
US6727345B2Apr 27, 2004

Continuous production process for water-absorbent resin powder and powder surface detector used therefor

NIPPON CATALYTIC CHEM IND94 citations98
US6716894B2Apr 6, 2004

Water-absorbent resin powder and its production process and uses

NIPPON CATALYTIC CHEM IND78 citations98
US6562879B1May 13, 2003

Water-absorbent resin powder and its production process and use

NIPPON CATALYTIC CHEM IND132 citations98
US6444744B1Sep 3, 2002

Hydrophilic resin, absorbent article, and acrylic acid for polymerization

NIPPON CATALYTIC CHEM IND114 citations98
US6297319B1Oct 2, 2001

Water-absorbing agent and production process therefor

NIPPON CATALYTIC CHEM IND100 citations98
US6254990B1Jul 3, 2001

Surface-crosslinking process for water-absorbent resin

NIPPON CATALYTIC CHEM IND152 citations98
US6228930B1May 8, 2001

Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule

NIPPON CATALYTIC CHEM IND222 citations98
US6071976AJun 6, 2000

Water absorbing agent, manufacturing method thereof, and manufacturing machine thereof

NIPPON CATALYTIC CHEM IND186 citations98
US5985944ANov 16, 1999

Water-absorbent resin, process for production thereof, and water-absorbent resin composition

NIPPON CATALYTIC CHEM IND125 citations98
US7378453B2May 27, 2008

Surface crosslinking treatment method of water-absorbing resin powder

NIPPON CATALYTIC CHEM IND68 citations97
US7193006B2Mar 20, 2007

Process for continuous production of water-absorbent resin product

NIPPON CATALYTIC CHEM IND56 citations96
US6720389B2Apr 13, 2004

Water-absorbent resin and production process therefor

NIPPON CATALYTIC CHEM IND42 citations96
US6576713B2Jun 10, 2003

Water-absorbent resin powder and production process therefor

NIPPON CATALYTIC CHEM IND56 citations96
US6388000B1May 14, 2002

Method for production of hydrophilic resin

NIPPON CATALYTIC CHEM IND71 citations96
US6187872B1Feb 13, 2001

Water-absorbent agent and method for manufacturing the same

NIPPON CATALYTIC CHEM IND58 citations96
US5981070ANov 9, 1999

Water-absorbent agent powders and manufacturing method of the same

NIPPON CATALYTIC CHEM IND70 citations96
US4959060ASep 25, 1990

Body fluid-adsorbing article

NIPPON CATALYTIC CHEM IND63 citations96
US4920202AApr 24, 1990

Method for production of hydrophilic polymer from hydrated gel polymer

NIPPON CATALYTIC CHEM IND67 citations96
US6458921B1Oct 1, 2002

Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule

NIPPON CATALYTIC CHEM IND48 citations95
US6998447B2Feb 14, 2006

Method for production of hydrophilic resin

NIPPON CATALYTIC CHEM IND16 citations93
US7741400B2Jun 22, 2010

Water-absorbent resin, hydropolymer, process for producing them, and uses of them

NIPPON CATALYTIC CHEM IND14 citations92
US7510988B2Mar 31, 2009

Particulate water-absorbing agent containing water-absorbent resin as a main component

NIPPON CATALYTIC CHEM IND29 citations92
US7473470B2Jan 6, 2009

Particulate water absorbing agent with irregularly pulverized shape

NIPPON CATALYTIC CHEM IND34 citations92
US7049366B2May 23, 2006

Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin

NIPPON CATALYTIC CHEM IND24 citations92
US6992144B2Jan 31, 2006

Water-absorbent agent, method for production thereof, and water-absorbent composition

NIPPON CATALYTIC CHEM IND15 citations92
US6927268B2Aug 9, 2005

Production process for water-absorbent resin

NIPPON CATALYTIC CHEM IND26 citations92
US6251960B1Jun 26, 2001

Process for production of water absorbent resin

NIPPON CATALYTIC CHEM IND30 citations92
US6184433B1Feb 6, 2001

Pressure-resistant absorbent resin, disposable diaper using the resin, and absorbent resin, and method for production thereof

NIPPON CATALYTIC CHEM IND50 citations92
US6667372B1Dec 23, 2003

Continuous manufacturing method of water-absorbent polymer

NIPPON CATALYTIC CHEM IND37 citations90
US7825169B2Nov 2, 2010

Water-absorbent composition, process for production thereof, absorbent and absorbing product

NIPPON CATALYTIC CHEM IND11 citations84
US7238743B2Jul 3, 2007

Production process for water-absorbent resin

NIPPON CATALYTIC CHEM IND15 citations84
US6617489B2Sep 9, 2003

Absorbent, absorbing product based thereon, and water-absorbing resin

NIPPON CATALYTIC CHEM IND13 citations84
US7009010B2Mar 7, 2006

Water-absorbent resin and production process therefor

NIPPON CATALYTIC CHEM IND12 citations83

FUJIMARU HIROTAMA

2 patents
US9062140B2Jun 23, 2015

Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin

FUJIMARU HIROTAMA18 citations92
US8552134B2Oct 8, 2013

Method of producing polyacrylic acid (salt) water-absorbent resin

FUJIMARU HIROTAMA9 citations82

MATSUMOTO KOJI

2 patents
US8410223B2Apr 2, 2013

Production method for water-absorbing resin

MATSUMOTO KOJI18 citations92
US8138292B2Mar 20, 2012

Method for producing particulate water—absorbing agent composed principally of water absorbing resin

MATSUMOTO KOJI9 citations83

DAIROKU YORIMICHI

2 patents
US8519212B2Aug 27, 2013

Water-absorbent resin, hydropolymer, process for producing them, and uses of them

DAIROKU YORIMICHI11 citations83
US8481664B2Jul 9, 2013

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

DAIROKU YORIMICHI8 citations83

NOGI KOZO

1 patent
US8148485B2Apr 3, 2012

Production method for water-absorbing resin

NOGI KOZO17 citations92

NIPPON SHIKUBAI CO LTD

1 patent
US6001911ADec 14, 1999

Absorbent resin, absorbent material and method of manufacturing the same

NIPPON SHIKUBAI CO LTD33 citations89

NAGASHIMA TERUHISA

1 patent
US8596931B2Dec 3, 2013

Particulate water absorbing agent and method for producing the same

NAGASHIMA TERUHISA24 citations88

SAKAMOTO SHIGERU

1 patent
US8791210B2Jul 29, 2014

Polyacrylic water-absorbent resin powder and method for producing the same

SAKAMOTO SHIGERU5 citations83

MIYAKE KOJI

1 patent
US8309654B2Nov 13, 2012

Method of producing particle-shape water-absorbing resin material

MIYAKE KOJI7 citations82

FUJINO SHINICHI

1 patent
US8648161B2Feb 11, 2014

Polyacrylic acid (salt) -based water-absorbent resin and a method for producing it

FUJINO SHINICHI5 citations81

Showing the top 50 of 104 patents by PatentIndex Score.