Inventor · disambiguated record
Yoshio Irie
Also filed as: IRIE YOSHIO
61 granted patents·2 pending applications·4,945 citations·filing 1974–2014
99Inventor score
Top patents by PatentIndex Score
63 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
- 0298US6906159B2Water-absorbent resin, hydropolymer, process for producing them, and uses of themNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jun 14, 2005·98 cites·2 claims
- 0398US6562879B1Water-absorbent resin powder and its production process and useNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 13, 2003·132 cites·23 claims
- 0498US5250640AMethod for production of particulate hydrogel polymer and absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Oct 5, 1993·185 cites·17 claims
- 0598US4666983AAbsorbent articleNIPPON CATALYTIC CHEM IND·Filed 1983·Granted May 19, 1987·552 cites·26 claims
- 0698US4625001AMethod for continuous production of cross-linked polymerNIPPON CATALYTIC CHEM IND·Filed 1985·Granted Nov 25, 1986·311 cites·13 claims
- 0798US4286082AAbsorbent resin composition and process for producing sameNIPPON CATALYTIC CHEM IND·Filed 1980·Granted Aug 25, 1981·694 cites·18 claims
- 0897US7183456B2Water-absorbent resin and production process thereforNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Feb 27, 2007·78 cites·9 claims
- 0997US5264495AMethod for production of salt-resistant absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1991·Granted Nov 23, 1993·177 cites·20 claims
- 1097US4734478AWater absorbing agentNIPPON CATALYTIC CHEM IND·Filed 1985·Granted Mar 29, 1988·535 cites·39 claims
- 1196US5275773AMethod for production of particulate hydrated gel polymer and absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Jan 4, 1994·105 cites·14 claims
- 1295US7582705B2Particulate water absorbent agent and production method thereof, and water absorbent articleNIPPON CATALYTIC CHEM IND·Filed 2008·Granted Sep 1, 2009·22 cites·3 claims
- 1395US7265190B2Process and apparatus for production of water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Sep 4, 2007·58 cites·10 claims
- 1495US5574121AProcess 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
- 1595US5532323AMethod for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jul 2, 1996·133 cites·6 claims
- 1695US5135677AProcess for producing acid-type maleic acid polymer and water-treating agent and detergent additive containing said polymerNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Aug 4, 1992·106 cites·13 claims
- 1794US7091253B2Water-absorbent resin, hydropolymer, process for producing them, and uses of themNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Aug 15, 2006·87 cites·6 claims
- 1894US6720389B2Water-absorbent resin and production process thereforNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Apr 13, 2004·42 cites·39 claims
- 1994US5281683AProcess for producing water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Jan 25, 1994·132 cites·4 claims
- 2094US3930954ANeutral protease useful for animal tissue and cell cultureGODO SHUSEI KK·Filed 1974·Granted Jan 6, 1976·47 cites·1 claims
- 2193US8519212B2Water-absorbent resin, hydropolymer, process for producing them, and uses of themDAIROKU YORIMICHI·Filed 2010·Granted Aug 27, 2013·11 cites·6 claims
- 2293US8497226B2Water absorbent and producing method of sameTORII KAZUSHI·Filed 2010·Granted Jul 30, 2013·10 cites·11 claims
- 2393US7741400B2Water-absorbent resin, hydropolymer, process for producing them, and uses of themNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Jun 22, 2010·14 cites·1 claims
- 2493US6817557B2Process for transporting, storing, and producing a particulate water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Nov 16, 2004·71 cites·8 claims
- 2593US6388000B1Method for production of hydrophilic resinNIPPON CATALYTIC CHEM IND·Filed 1995·Granted May 14, 2002·71 cites·14 claims
- 2693US4920202AMethod for production of hydrophilic polymer from hydrated gel polymerNIPPON CATALYTIC CHEM IND·Filed 1988·Granted Apr 24, 1990·67 cites·17 claims
- 2791US6207796B1Production process for hydrophilic polymerNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Mar 27, 2001·75 cites·9 claims
- 2890US5229488AMethod for manufacture of an absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Jul 20, 1993·61 cites·36 claims
- 2990US5124416AMethod for production of absorbent polymerNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Jun 23, 1992·141 cites·15 claims
- 3089US7201941B2Process for production of surface-treated particulate water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Apr 10, 2007·42 cites·10 claims
- 3189US5478879AMethod for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Dec 26, 1995·82 cites·38 claims
- 3287US8791210B2Polyacrylic water-absorbent resin powder and method for producing the sameSAKAMOTO SHIGERU·Filed 2010·Granted Jul 29, 2014·5 cites·5 claims
- 3387US7851550B2Method for surface crosslinking water-absorbing resin and method for manufacturing water-absorbing resinNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Dec 14, 2010·16 cites·27 claims
- 3487US5369148AMethod for continuous agglomeration of an absorbent resin powder and apparatus thereforNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Nov 29, 1994·57 cites·18 claims
- 3586US7803880B2Water absorbent and producing method of sameNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Sep 28, 2010·22 cites·6 claims
- 3686US4985514AMethod for production of water absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1988·Granted Jan 15, 1991·45 cites·24 claims
- 3785US7622535B2Method for continuous production of water-absorbent resinNIPPON SHOKUBA CO LTD·Filed 2005·Granted Nov 24, 2009·12 cites·25 claims
- 3885US6867269B2Water-absorbent resin and production process thereforNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Mar 15, 2005·23 cites·21 claims
- 3984US6998447B2Method for production of hydrophilic resinNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Feb 14, 2006·16 cites·25 claims
- 4082US7816445B2Production method for hydrophilic polymerNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Oct 19, 2010·6 cites·24 claims
- 4182US5210298AMethod for production of acrylate and acrylate-containing polymerNIPPON CATALYTIC CHEM IND·Filed 1989·Granted May 11, 1993·29 cites·6 claims
- 4282US5073612AHydrophilic polymer and method for production thereofNIPPON CATALYTIC CHEM IND·Filed 1988·Granted Dec 17, 1991·36 cites·10 claims
- 4382US5064563AProcess for producing and use of maleic acid (co-) polymer salt improved in biodegradabilityNIPPON CATALYTIC CHEM IND·Filed 1990·Granted Nov 12, 1991·54 cites·21 claims
- 4480US6875511B2Production process for particulate water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Apr 5, 2005·22 cites·12 claims
- 4580US5733857AMaleic acid based copolymer and its production process and useNIPPON CATALYTIC CHEM IND·Filed 1994·Granted Mar 31, 1998·25 cites·48 claims
- 4680US5298570ABiodegradable hydrophilic crosslinked polymer, process for producing it, and uses thereofNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Mar 29, 1994·49 cites·11 claims
- 4776US9243079B2Polyacrylic acid-based water-absorbing resin powder and method for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2014·Granted Jan 26, 2016·1 cites·19 claims
- 4874US7694900B2Method for disintegrating hydrate polymer and method for production of water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Apr 13, 2010·10 cites·6 claims
- 4973US8546492B2Surface treatment method for water-absorbing resin and production method for water-absorbing resinMOTOYAMA ATSUSHI·Filed 2009·Granted Oct 1, 2013·3 cites·20 claims
- 5072US7825169B2Water-absorbent composition, process for production thereof, absorbent and absorbing productNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Nov 2, 2010·11 cites·13 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →