Inventor · disambiguated record
Hiroyuki Ikeuchi
Also filed as: IKEUCHI HIROYUKI
52 granted patents·10 pending applications·748 citations·filing 1974–2022
98Inventor score
Files withNIPPON CATALYTIC CHEM IND28IKEUCHI HIROYUKI8TORAY INDUSTRIES4MACHIDA SAYAKA3SAKAMOTO SHIGERU3
Top patents by PatentIndex Score
62 records- 0199US6809158B2Water-absorbing agent and process for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Oct 26, 2004·187 cites·35 claims
- 0298US6562879B1Water-absorbent resin powder and its production process and useNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 13, 2003·132 cites·23 claims
- 0391US7435477B2Particulate water absorbent containing water absorbent resin as a main componentNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Oct 14, 2008·36 cites·18 claims
- 0491US7238758B2Catalysts for polymerization or copolymerization of α-olefins, catalyst components thereof, and processes for polymerization of α-olefins with the catalystsUBE INDUSTRIES·Filed 2003·Granted Jul 3, 2007·44 cites·11 claims
- 0590US8025284B2Remaining sheet volume detecting apparatus and image forming apparatusFUJI XEROX CO LTD·Filed 2009·Granted Sep 27, 2011·13 cites·6 claims
- 0690US3936421AProcess of preparing polytetramethylene terephthalateTORAY INDUSTRIES·Filed 1974·Granted Feb 3, 1976·43 cites·8 claims
- 0789US11224857B2Method for manufacturing water absorbing agentNIPPON CATALYTIC CHEM IND·Filed 2017·Granted Jan 18, 2022·4 cites·8 claims
- 0888US7879923B2Method for surface-treatment of water absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Feb 1, 2011·8 cites·25 claims
- 0987US8252715B2Water-absorbing agent and production method thereofTORII KAZUSHI·Filed 2008·Granted Aug 28, 2012·7 cites·24 claims
- 1087US7981833B2Aqueous-liquid-absorbing agent and its production processNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Jul 19, 2011·7 cites·4 claims
- 1186US7312278B2Water-absorbing agent and production process therefor, and sanitary materialNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Dec 25, 2007·25 cites·18 claims
- 1283US5391665AProcess for producing polymer having hydroxyl groups at both terminalsNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Feb 21, 1995·31 cites·6 claims
- 1382US5470930AProcess for producing polymer having hydroxyl group at both terminalsNIPPON CATALYTIC CHEM IND·Filed 1994·Granted Nov 28, 1995·41 cites·8 claims
- 1480US9447203B2Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powderMACHIDA SAYAKA·Filed 2011·Granted Sep 20, 2016·4 cites·7 claims
- 1579US7935774B2Particulate water-absorbent polymer and production method thereofNIPPON CATALYTIC CHEM IND·Filed 2009·Granted May 3, 2011·4 cites·24 claims
- 1679US7816301B2Aqueous-liquid-absorbing agent and its production processNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Oct 19, 2010·4 cites·4 claims
- 1777US10434495B2Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powderNIPPON CATALYTIC CHEM IND·Filed 2016·Granted Oct 8, 2019·1 cites·15 claims
- 1876US9309375B2Water-absorbing agent having water-absorbent resin as a main component and production method of the water-absorbing agentIKEUCHI HIROYUKI·Filed 2006·Granted Apr 12, 2016·4 cites·15 claims
- 1975US9102804B2Production method for water-absorbing resin powderMACHIDA SAYAKA·Filed 2010·Granted Aug 11, 2015·2 cites·22 claims
- 2074US9090718B2Water-absorbing resin and method for manufacturing the sameSAKAMOTO SHIGERU·Filed 2007·Granted Jul 28, 2015·3 cites·9 claims
- 2174US9006134B2Particulate water absorbing agent and manufacturing method of sameNAGASAWA MAKOTO·Filed 2009·Granted Apr 14, 2015·3 cites·10 claims
- 2273US4989955ALiquid crystal electro-optical element and process for preparation thereofTORAY INDUSTRIES·Filed 1988·Granted Feb 5, 1991·28 cites·12 claims
- 2372US8678374B2Medium feeding device and image forming apparatusIKEUCHI HIROYUKI·Filed 2012·Granted Mar 25, 2014·3 cites·20 claims
- 2471US4041206ALaminated polyester filmTORAY INDUSTRIES·Filed 1975·Granted Aug 9, 1977·42 cites·5 claims
- 2570US5391664AProcess for producing polymerNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Feb 21, 1995·20 cites·20 claims
- 2669US9974882B2Dust reducer consisting of multi-component metal compound, water absorbing agent containing multi-component metal compound, and method for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2013·Granted May 22, 2018·1 cites·12 claims
- 2768US8822373B2Particulate water absorbing agent and production method thereofFUJIMARU HIROTAMA·Filed 2007·Granted Sep 2, 2014·2 cites·21 claims
- 2867US8076530B2Absorbent article with water-absorbing agent or agentsKAMPHUS JULIANE·Filed 2008·Granted Dec 13, 2011·2 cites·13 claims
- 2966US10525445B2Particulate water absorbing agent and water absorbent articleNIPPON CATALYTIC CHEM IND·Filed 2018·Granted Jan 7, 2020·0 cites·10 claims
- 3064US7872076B2Particulate water-absorbent resin composition and its production processNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jan 18, 2011·7 cites·21 claims
- 3163US9187579B2Particle-shaped water absorbing agent and method for producing the sameIKEUCHI HIROYUKI·Filed 2008·Granted Nov 17, 2015·1 cites·9 claims
- 3263US8735646B2Diaper with improved body fitBERUDA HOLGER·Filed 2005·Granted May 27, 2014·5 cites·14 claims
- 3362US4939003ALiquid crystal elementTORAY INDUSTRIES·Filed 1988·Granted Jul 3, 1990·22 cites·15 claims
- 3461US8302959B2Remaining sheet volume detecting apparatus and image forming apparatusIKEUCHI HIROYUKI·Filed 2009·Granted Nov 6, 2012·2 cites·9 claims
- 3561US7402643B2Water-absorbent resin having treated surface and process for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jul 22, 2008·3 cites·10 claims
- 3659US10363339B2Water 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
- 3758US10189009B2Particulate water absorbing agent and method for manufacturing sameNIPPON CATALYTIC CHEM IND·Filed 2013·Granted Jan 29, 2019·0 cites·8 claims
- 3857US10562006B2Particulate water absorbing agentNIPPON CATALYTIC CHEM IND·Filed 2017·Granted Feb 18, 2020·0 cites·19 claims
- 3957US8647528B2Water absorbing agent and production method thereofTORII KAZUSHI·Filed 2009·Granted Feb 11, 2014·0 cites·12 claims
- 4056US9517289B2Water-absorbing agent and method for producing the sameSAKAMOTO SHIGERU·Filed 2008·Granted Dec 13, 2016·0 cites·5 claims
- 4156US2024299907A1Particulate water absorbent, absorbent body containing water absorbent, and absorbent article using absorbent bodyNIPPON CATALYTIC CHEM IND·Filed 2022·Application pending·0 cites
- 4251US9593212B2Method for producing water absorbent resin particleSAKAMOTO SHIGERU·Filed 2007·Granted Mar 14, 2017·0 cites·11 claims
- 4350US10196500B2Particulate water absorbing agent and process for producing sameNIPPON CATALYTIC CHEM IND·Filed 2013·Granted Feb 5, 2019·0 cites·8 claims
- 4450US9115235B2Water absorbing agent and production method thereofIKEUCHI HIROYUKI·Filed 2007·Granted Aug 25, 2015·0 cites·24 claims
- 4549US8513378B2Production method for water-absorbing resin powderMACHIDA SAYAKA·Filed 2010·Granted Aug 20, 2013·0 cites·22 claims
- 4649US8128082B2Sheet feeding device and image forming apparatus with lifting and air blowing unitsIKEUCHI HIROYUKI·Filed 2009·Granted Mar 6, 2012·0 cites·3 claims
- 4749US2009298963A1Method for production of modified water absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2005·Application pending·0 cites
- 4849US2006128827A1Absorbent members comprising modified water absorbent resin for use in diapersPROCTER & GAMBLE·Filed 2005·Application pending·0 cites
- 4948US10363544B2Particulate water-absorbing agentNIPPON CATALYTIC CHEM IND·Filed 2015·Granted Jul 30, 2019·0 cites·13 claims
- 5048US2016207229A1Film retainer and tenter apparatusUBE INDUSTRIES·Filed 2014·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →