Inventor
HARADA NOBUYUKI
JP55 patents
⚠️ This page may combine multiple inventors who share the name “HARADA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
38 patentsUS6809158B2Oct 26, 2004
Water-absorbing agent and process for producing the same
NIPPON CATALYTIC CHEM IND187 citations99
US5610208AMar 11, 1997
Water-absorbent agent, method for production thereof, and water-absorbent composition
NIPPON CATALYTIC CHEM IND150 citations99
US6444744B1Sep 3, 2002
Hydrophilic resin, absorbent article, and acrylic acid for polymerization
NIPPON CATALYTIC CHEM IND114 citations98
US6254990B1Jul 3, 2001
Surface-crosslinking process for water-absorbent resin
NIPPON CATALYTIC CHEM IND152 citations98
US6107358AAug 22, 2000
Water-absorbent resin and method for production thereof
NIPPON CATALYTIC CHEM IND174 citations98
US5985944ANov 16, 1999
Water-absorbent resin, process for production thereof, and water-absorbent resin composition
NIPPON CATALYTIC CHEM IND125 citations98
US5853867ADec 29, 1998
Absorbent composite, method for production thereof, and absorbent article
NIPPON CATALYTIC CHEM IND117 citations98
US5382610AJan 17, 1995
Water absorbent matter and method for producing it as well as water absorbent and method for producing it
NIPPON CATALYTIC CHEM IND175 citations98
US5574121ANov 12, 1996
Process for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylate
NIPPON CATALYTIC CHEM IND142 citations97
US6576713B2Jun 10, 2003
Water-absorbent resin powder and production process therefor
NIPPON CATALYTIC CHEM IND56 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
US5830543ANov 3, 1998
Gelling material for aqueous fluids
NIPPON CATALYTIC CHEM IND83 citations95
US6372852B2Apr 16, 2002
Water-absorbing composition and production process for water-absorbing agent
NIPPON CATALYTIC CHEM IND59 citations94
US5079034AJan 7, 1992
Method for manufacturing a water absorbent composite by applying an aqueous polymerizable solution to a substrate and polymerizing the coating against polymerization inner surfaces
NIPPON CATALYTIC CHEM IND44 citations93
US6992144B2Jan 31, 2006
Water-absorbent agent, method for production thereof, and water-absorbent composition
NIPPON CATALYTIC CHEM IND15 citations92
US6399668B1Jun 4, 2002
Water absorbent resin
NIPPON CATALYTIC CHEM IND20 citations92
US6333109B1Dec 25, 2001
Water-swellable crosslinked polymer composition and production
NIPPON CATALYTIC CHEM IND28 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
US6150469ANov 21, 2000
Method of producing a hydrophilic resin
NIPPON CATALYTIC CHEM IND41 citations92
US6100305AAug 8, 2000
Method of production of water-absorbing resin
NIPPON CATALYTIC CHEM IND40 citations92
US5792855AAug 11, 1998
Water-absorbent resins and manufacturing methods thereof
NIPPON CATALYTIC CHEM IND22 citations92
US5599763AFeb 4, 1997
Absorbent material, absorbent body, and method for production thereof
NIPPON CATALYTIC CHEM IND29 citations92
US5368918ANov 29, 1994
Absorbent material comprising absorbent polymeric particulate material coated with synthetic pulp
NIPPON CATALYTIC CHEM IND37 citations92
US5195999AMar 23, 1993
Absorbent body and absorbent article
NIPPON CATALYTIC CHEM IND41 citations92
US6410616B1Jun 25, 2002
Crosslinked polymer particle and its production process and use
NIPPON CATALYTIC CHEM IND51 citations91
US5115011AMay 19, 1992
Process for producing quality-improved water-absorbent polymers and products
NIPPON CATALYTIC CHEM IND44 citations89
US6342652B1Jan 29, 2002
Water-swellable crosslinked polymer, its composition, and their production processes and uses
NIPPON CATALYTIC CHEM IND17 citations84
US6103425AAug 15, 2000
Liquid-absorbing resin, manufacturing method thereof and gel composition
NIPPON CATALYTIC CHEM IND8 citations74
US5098775AMar 24, 1992
Body fluid-absorbing article
NIPPON CATALYTIC CHEM IND15 citations74
US6391994B2May 21, 2002
Production process for vinylpyrrolidone polymer
NIPPON CATALYTIC CHEM IND6 citations72
US7495056B2Feb 24, 2009
Water-absorbing agent and production process therefor, and water-absorbent structure
NIPPON CATALYTIC CHEM IND2 citations63
US7250459B2Jul 31, 2007
Absorbent resin composition
NIPPON CATALYTIC CHEM IND4 citations63
US6881792B2Apr 19, 2005
Production processes for basic water-absorbent resin and water-absorbing agent, and use thereof
NIPPON CATALYTIC CHEM IND6 citations62
US6110984AAug 29, 2000
Water-swellable crosslinked polymer, production process therefor, and measurement method for pore volume of swollen crosslinked polymer
NIPPON CATALYTIC CHEM IND5 citations62
DAINIPPON PRINTING CO LTD
5 patentsUS6008157ADec 28, 1999
Thermal transfer sheet
DAINIPPON PRINTING CO LTD18 citations84
US5714434AFeb 3, 1998
Thermal transfer sheet
DAINIPPON PRINTING CO LTD10 citations73
US5602073AFeb 11, 1997
Thermal transfer sheet
DAINIPPON PRINTING CO LTD4 citations63
US5567669AOct 22, 1996
Thermal transfer sheet
DAINIPPON PRINTING CO LTD3 citations63
US5958833ASep 28, 1999
Thermal transfer sheet and method for manufacturing same
DAINIPPON PRINTING CO LTD2 citations62
NIPPON SHOKUBAL CO LTD
1 patentTEIJIN LTD
1 patentNIPPON SHIKUBAI CO LTD
1 patentIBM
1 patentMISHIMA KOSAN CO LTD
1 patentFUJIMARU HIROTAMA
1 patentHARADA NOBUYUKI
1 patentShowing the top 50 of 55 patents by PatentIndex Score.