Inventor · disambiguated record
Kinya Nagasuna
Also filed as: NAGASUNA KINYA
42 granted patents·2 pending applications·2,740 citations·filing 1989–2005
99Inventor score
Files withNIPPON CATALYTIC CHEM IND39NAGASUNA KINYA1NIPPON SHOKUBAI KAGAKU KABUSHI1NIPPON SKOKUBAI CO LTD1
Top patents by PatentIndex Score
44 records- 0198US6265488B1Production process for water-absorbing agentNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 24, 2001·178 cites·18 claims
- 0297US5140076AMethod of treating the surface of an absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Aug 18, 1992·156 cites·30 claims
- 0397US4973632AProduction process for water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1989·Granted Nov 27, 1990·181 cites·3 claims
- 0496US6297319B1Water-absorbing agent and production process thereforNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Oct 2, 2001·100 cites·23 claims
- 0596US6071976AWater absorbing agent, manufacturing method thereof, and manufacturing machine thereofNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Jun 6, 2000·186 cites·50 claims
- 0696US5164459AMethod for treating the surface of an absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Nov 17, 1992·132 cites·19 claims
- 0795US5574121AProcess for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylateNIPPON CATALYTIC CHEM IND·Filed 1994·Granted Nov 12, 1996·142 cites·29 claims
- 0895US5532323AMethod for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jul 2, 1996·133 cites·6 claims
- 0995US5244735AWater-absorbent resin and production processNIPPON SHOKUBAI KAGAKU KABUSHI·Filed 1992·Granted Sep 14, 1993·176 cites·6 claims
- 1094US5422405AMethod for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jun 6, 1995·119 cites·15 claims
- 1192US5026800AWater-absorbent resin and production processNIPPON CATALYTIC CHEM IND·Filed 1989·Granted Jun 25, 1991·68 cites·9 claims
- 1291US5981070AWater-absorbent agent powders and manufacturing method of the sameNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Nov 9, 1999·70 cites·43 claims
- 1390US5229488AMethod for manufacture of an absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Jul 20, 1993·61 cites·36 claims
- 1489US5610208AWater-absorbent agent, method for production thereof, and water-absorbent compositionNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Mar 11, 1997·150 cites·13 claims
- 1589US5478879AMethod for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Dec 26, 1995·82 cites·38 claims
- 1687US6395792B1Method for production of porous cross-linked poymerNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 28, 2002·28 cites·13 claims
- 1787US6187872B1Water-absorbent agent and method for manufacturing the sameNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Feb 13, 2001·58 cites·37 claims
- 1885US5797893AAbsorbing agent composition, absorbent material, and absorbent product containing absorbent materialNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Aug 25, 1998·140 cites·12 claims
- 1984US6992144B2Water-absorbent agent, method for production thereof, and water-absorbent compositionNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jan 31, 2006·15 cites·11 claims
- 2084US6335406B1Method for production of absorbent resin excelling in durabilityNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jan 1, 2002·40 cites·13 claims
- 2184US6274638B1Method for production of porous cross-linked polymer materialNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Aug 14, 2001·21 cites·10 claims
- 2284US6087002AWater absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Jul 11, 2000·45 cites·4 claims
- 2381US6797735B2Process for producing porous polymerNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Sep 28, 2004·17 cites·7 claims
- 2481US6599989B2Water-absorbent agents containing polycarboxylic amine chelating agentsNIPPON SKOKUBAI CO LTD·Filed 1999·Granted Jul 29, 2003·48 cites·30 claims
- 2580US7250459B2Absorbent resin compositionNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Jul 31, 2007·4 cites·11 claims
- 2680US6822010B2Method for production of porous materialNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Nov 23, 2004·16 cites·15 claims
- 2780US6630519B2Process for producing porous polymerNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Oct 7, 2003·16 cites·22 claims
- 2880US6127454AWater-absorbing agent and production process thereforNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Oct 3, 2000·33 cites·16 claims
- 2980US5866678AAbsorbent and method for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Feb 2, 1999·37 cites·21 claims
- 3075US6964998B2Water-absorbing agent and its production process and useNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Nov 15, 2005·12 cites·7 claims
- 3172US5760080AAbsorbing agent, process of manufacturing same, and absorbent product containing sameNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Jun 2, 1998·102 cites·22 claims
- 3270US7420018B2Water-absorbing agent production process with surface crosslinking and ion blockingNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Sep 2, 2008·5 cites·16 claims
- 3365US6110992AWater-absorbing agent and production process thereforNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Aug 29, 2000·15 cites·9 claims
- 3464US5389722AHydrophilic resin and method for production thereofNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Feb 14, 1995·14 cites·24 claims
- 3558US8426670B2Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation methodNAGASUNA KINYA·Filed 2002·Granted Apr 23, 2013·19 cites·8 claims
- 3658US5475062AMethod for surface treatment of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1994·Granted Dec 12, 1995·12 cites·14 claims
- 3756US6476155B1Method of producing a hydrophilic resinNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Nov 5, 2002·1 cites·8 claims
- 3856US6150582AAbsorbent article and production process thereforNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Nov 21, 2000·39 cites·12 claims
- 3943US6180724B1Process for manufacturing an absorbing agent and absorbent materialNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jan 30, 2001·23 cites·9 claims
- 4042USRE38444EAbsorbing agent, process of manufacturing same, and absorbent product containing sameNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Feb 24, 2004·16 cites·30 claims
- 4142US2003181115A1Absorbent structure, its production process, and absorbent article comprising said absorbent structureFiled 2003·Application pending·0 cites
- 4240US6103785AWater-absorbing agent and its production process and useNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Aug 15, 2000·13 cites·25 claims
- 4338US6054541AProcess of manufacturing precursor of an absorbing agentNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Apr 25, 2000·17 cites·8 claims
- 4431US2002013394A1Water-absorbent agent, method for production thereof, and water- absorbent compositionFiled 1996·Application pending·0 cites
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