Inventor · disambiguated record
Katsuyuki Wada
Also filed as: WADA KATSUYUKI
54 granted patents·5 pending applications·1,208 citations·filing 1993–2020
99Inventor score
Top patents by PatentIndex Score
59 records- 0199US7473739B2Particulate water absorbent agent and production method thereof, and water absorbent articleNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Jan 6, 2009·91 cites·4 claims
- 0297US11459431B2Method for producing polyacrylic acid (salt)-based water absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2020·Granted Oct 4, 2022·4 cites·10 claims
- 0397US7473470B2Particulate water absorbing agent with irregularly pulverized shapeNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Jan 6, 2009·34 cites·20 claims
- 0497US7183456B2Water-absorbent resin and production process thereforNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Feb 27, 2007·78 cites·9 claims
- 0597US5382610AWater absorbent matter and method for producing it as well as water absorbent and method for producing itNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jan 17, 1995·175 cites·29 claims
- 0695US8198209B2Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agentTORII KAZUSHI·Filed 2007·Granted Jun 12, 2012·16 cites·22 claims
- 0795US7582705B2Particulate water absorbent agent and production method thereof, and water absorbent articleNIPPON CATALYTIC CHEM IND·Filed 2008·Granted Sep 1, 2009·22 cites·3 claims
- 0894US6720389B2Water-absorbent resin and production process thereforNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Apr 13, 2004·42 cites·39 claims
- 0993US7510988B2Particulate water-absorbing agent containing water-absorbent resin as a main componentNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Mar 31, 2009·29 cites·13 claims
- 1091US8952116B2Particulate water absorbent and process for production thereofKOBAYASHI TAISHI·Filed 2010·Granted Feb 10, 2015·11 cites·10 claims
- 1191US7435477B2Particulate water absorbent containing water absorbent resin as a main componentNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Oct 14, 2008·36 cites·18 claims
- 1287US7745537B2Particulate water absorbing agent, water-absorbent core and absorbing articleNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Jun 29, 2010·16 cites·7 claims
- 1386US7312278B2Water-absorbing agent and production process therefor, and sanitary materialNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Dec 25, 2007·25 cites·18 claims
- 1485US6469080B2Water-absorbent resin compositionNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Oct 22, 2002·47 cites·19 claims
- 1585US5797893AAbsorbing agent composition, absorbent material, and absorbent product containing absorbent materialNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Aug 25, 1998·140 cites·12 claims
- 1684US6586549B1Water-absorbing composition and its useNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Jul 1, 2003·23 cites·21 claims
- 1783US8026294B2Water absorbent resin composition and method for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2008·Granted Sep 27, 2011·5 cites·20 claims
- 1882US9669386B2Particulate water-absorbing agent and production method for the sameWADA KATSUYUKI·Filed 2011·Granted Jun 6, 2017·4 cites·25 claims
- 1981US6599989B2Water-absorbent agents containing polycarboxylic amine chelating agentsNIPPON SKOKUBAI CO LTD·Filed 1999·Granted Jul 29, 2003·48 cites·30 claims
- 2080US6127454AWater-absorbing agent and production process thereforNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Oct 3, 2000·33 cites·16 claims
- 2179US9044525B2Polyacrylic acid (salt)-based water absorbent resin powder and method for producing the sameTORII KAZUSHI·Filed 2012·Granted Jun 2, 2015·2 cites·20 claims
- 2275USD706325SMotor actuatorASMO CO LTD·Filed 2013·Granted Jun 3, 2014·19 cites·1 claims
- 2375US6964998B2Water-absorbing agent and its production process and useNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Nov 15, 2005·12 cites·7 claims
- 2474US9138505B2Polyacrylic acid (salt)-type water absorbent resin and method for producing of sameNOGI KOZO·Filed 2010·Granted Sep 22, 2015·1 cites·16 claims
- 2574US8182916B2Particulate water absorbing agent comprising crosslinked absorbent resin and having low residual monomer, water absorbing article and method for production of water absorbing agentKIMURA KAZUKI·Filed 2006·Granted May 22, 2012·5 cites·13 claims
- 2672US7825169B2Water-absorbent composition, process for production thereof, absorbent and absorbing productNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Nov 2, 2010·11 cites·13 claims
- 2772US5760080AAbsorbing agent, process of manufacturing same, and absorbent product containing sameNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Jun 2, 1998·102 cites·22 claims
- 2871US9976001B2Process for producing water-absorbing resin powderOKUDA SUMIO·Filed 2011·Granted May 22, 2018·1 cites·20 claims
- 2971USD707739SMotor actuatorASMO CO LTD·Filed 2013·Granted Jun 24, 2014·16 cites·1 claims
- 3070US9775927B2Particulate water absorbent and process for production thereofNIPPON CATALYTIC CHEM IND·Filed 2014·Granted Oct 3, 2017·0 cites·6 claims
- 3170US7420018B2Water-absorbing agent production process with surface crosslinking and ion blockingNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Sep 2, 2008·5 cites·16 claims
- 3270US7196139B2Water-absorbent resin compositionNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Mar 27, 2007·9 cites·30 claims
- 3370US6617489B2Absorbent, absorbing product based thereon, and water-absorbing resinNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Sep 9, 2003·13 cites·19 claims
- 3468US9180220B2Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agentTORII KAZUSHI·Filed 2012·Granted Nov 10, 2015·1 cites·6 claims
- 3566US10525445B2Particulate water absorbing agent and water absorbent articleNIPPON CATALYTIC CHEM IND·Filed 2018·Granted Jan 7, 2020·0 cites·10 claims
- 3665US7595428B2Water-absorbing agent composition and method for production thereof, absorptive article and absorbing materialNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Sep 29, 2009·7 cites·46 claims
- 3765US6110992AWater-absorbing agent and production process thereforNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Aug 29, 2000·15 cites·9 claims
- 3864US2015307667A1Polyacrylic acid (salt)-based water absorbent resin, and method for producing polyacrylic acid (salt)-based water absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2013·Application pending·0 cites
- 3959US10363339B2Water absorbent agent composition and method for producing same, as well as storage and stocking method for sameNIPPON CATALYTIC CHEM IND·Filed 2012·Granted Jul 30, 2019·1 cites·14 claims
- 4058US10189009B2Particulate water absorbing agent and method for manufacturing sameNIPPON CATALYTIC CHEM IND·Filed 2013·Granted Jan 29, 2019·0 cites·8 claims
- 4156US8729190B2Particular water-absorbent agent having water-absorbent resin as main componentKITANO TAKAHIRO·Filed 2008·Granted May 20, 2014·0 cites·16 claims
- 4256US7960469B2Water absorbent resin composition and production method thereofNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jun 14, 2011·9 cites·24 claims
- 4356US6476155B1Method of producing a hydrophilic resinNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Nov 5, 2002·1 cites·8 claims
- 4456US6150582AAbsorbent article and production process thereforNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Nov 21, 2000·39 cites·12 claims
- 4555US9308290B2Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefromWADA KATSUYUKI·Filed 2013·Granted Apr 12, 2016·0 cites·12 claims
- 4654US2007173610A1Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefromWADA KATSUYUKI·Filed 2004·Application pending·0 cites
- 4753US8487048B2Water-absorbent resin and its production processWADA KATSUYUKI·Filed 2004·Granted Jul 16, 2013·1 cites·32 claims
- 4850US10196500B2Particulate water absorbing agent and process for producing sameNIPPON CATALYTIC CHEM IND·Filed 2013·Granted Feb 5, 2019·0 cites·8 claims
- 4950US9115235B2Water absorbing agent and production method thereofIKEUCHI HIROYUKI·Filed 2007·Granted Aug 25, 2015·0 cites·24 claims
- 5047US9796853B2Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereofUEDA HIROKO·Filed 2004·Granted Oct 24, 2017·1 cites·20 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →