Inventor
WADA KATSUYUKI
JP54 patents
⚠️ This page may combine multiple inventors who share the name “WADA KATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
36 patentsUS5797893AAug 25, 1998
Absorbing agent composition, absorbent material, and absorbent product containing absorbent material
NIPPON CATALYTIC CHEM IND140 citations99
US5760080AJun 2, 1998
Absorbing agent, process of manufacturing same, and absorbent product containing same
NIPPON CATALYTIC CHEM IND102 citations99
US7473739B2Jan 6, 2009
Particulate water absorbent agent and production method thereof, and water absorbent article
NIPPON CATALYTIC CHEM IND91 citations98
US7183456B2Feb 27, 2007
Water-absorbent resin and production process therefor
NIPPON CATALYTIC CHEM IND78 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
US6720389B2Apr 13, 2004
Water-absorbent resin and production process therefor
NIPPON CATALYTIC CHEM IND42 citations96
US7582705B2Sep 1, 2009
Particulate water absorbent agent and production method thereof, and water absorbent article
NIPPON CATALYTIC CHEM IND22 citations93
US6469080B2Oct 22, 2002
Water-absorbent resin composition
NIPPON CATALYTIC CHEM IND47 citations93
US6127454AOct 3, 2000
Water-absorbing agent and production process therefor
NIPPON CATALYTIC CHEM IND33 citations93
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
US7435477B2Oct 14, 2008
Particulate water absorbent containing water absorbent resin as a main component
NIPPON CATALYTIC CHEM IND36 citations92
US7312278B2Dec 25, 2007
Water-absorbing agent and production process therefor, and sanitary material
NIPPON CATALYTIC CHEM IND25 citations92
US6586549B1Jul 1, 2003
Water-absorbing composition and its use
NIPPON CATALYTIC CHEM IND23 citations92
US6180724B1Jan 30, 2001
Process for manufacturing an absorbing agent and absorbent material
NIPPON CATALYTIC CHEM IND23 citations92
US6150582ANov 21, 2000
Absorbent article and production process therefor
NIPPON CATALYTIC CHEM IND39 citations92
US6054541AApr 25, 2000
Process of manufacturing precursor of an absorbing agent
NIPPON CATALYTIC CHEM IND17 citations92
US7960469B2Jun 14, 2011
Water absorbent resin composition and production method thereof
NIPPON CATALYTIC CHEM IND9 citations84
US7825169B2Nov 2, 2010
Water-absorbent composition, process for production thereof, absorbent and absorbing product
NIPPON CATALYTIC CHEM IND11 citations84
USRE38444EFeb 24, 2004
Absorbing agent, process of manufacturing same, and absorbent product containing same
NIPPON CATALYTIC CHEM IND16 citations84
US6617489B2Sep 9, 2003
Absorbent, absorbing product based thereon, and water-absorbing resin
NIPPON CATALYTIC CHEM IND13 citations84
US7745537B2Jun 29, 2010
Particulate water absorbing agent, water-absorbent core and absorbing article
NIPPON CATALYTIC CHEM IND16 citations83
US6964998B2Nov 15, 2005
Water-absorbing agent and its production process and use
NIPPON CATALYTIC CHEM IND12 citations82
US6110992AAug 29, 2000
Water-absorbing agent and production process therefor
NIPPON CATALYTIC CHEM IND15 citations82
US7595428B2Sep 29, 2009
Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material
NIPPON CATALYTIC CHEM IND7 citations74
US7420018B2Sep 2, 2008
Water-absorbing agent production process with surface crosslinking and ion blocking
NIPPON CATALYTIC CHEM IND5 citations74
US7196139B2Mar 27, 2007
Water-absorbent resin composition
NIPPON CATALYTIC CHEM IND9 citations74
US11459431B2Oct 4, 2022
Method for producing polyacrylic acid (salt)-based water absorbent resin
NIPPON CATALYTIC CHEM IND4 citations73
US10363339B2Jul 30, 2019
Water absorbent agent composition and method for producing same, as well as storage and stocking method for same
NIPPON CATALYTIC CHEM IND1 citations62
US8026294B2Sep 27, 2011
Water absorbent resin composition and method for producing the same
NIPPON CATALYTIC CHEM IND5 citations62
US9775927B2Oct 3, 2017
Particulate water absorbent and process for production thereof
NIPPON CATALYTIC CHEM IND0 citations52
US6476155B1Nov 5, 2002
Method of producing a hydrophilic resin
NIPPON CATALYTIC CHEM IND1 citations52
US10525445B2Jan 7, 2020
Particulate water absorbing agent and water absorbent article
NIPPON CATALYTIC CHEM IND0 citations51
US10189009B2Jan 29, 2019
Particulate water absorbing agent and method for manufacturing same
NIPPON CATALYTIC CHEM IND0 citations51
US5750582AMay 12, 1998
Liquid absorbable material and method for production thereof
NIPPON CATALYTIC CHEM IND1 citations50
US5559160ASep 24, 1996
Liquid absorbable material and method for production thereof
NIPPON CATALYTIC CHEM IND1 citations50
TORII KAZUSHI
3 patentsUS8198209B2Jun 12, 2012
Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent
TORII KAZUSHI16 citations92
US9044525B2Jun 2, 2015
Polyacrylic acid (salt)-based water absorbent resin powder and method for producing the same
TORII KAZUSHI2 citations61
US9180220B2Nov 10, 2015
Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent
TORII KAZUSHI1 citations51
ASMO CO LTD
2 patentsWADA KATSUYUKI
2 patentsNIPPON SKOKUBAI CO LTD
1 patentKOBAYASHI TAISHI
1 patentNOGI KOZO
1 patentKIMURA KAZUKI
1 patentIKEUCHI HIROYUKI
1 patentOKUDA SUMIO
1 patentUEDA HIROKO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.