Inventor · disambiguated record
Tsutomu Yuasa
Also filed as: YUASA TSUTOMU
32 granted patents·6 pending applications·1,095 citations·filing 1996–2015
98Inventor score
Files withNIPPON CATALYTIC CHEM IND29SAKAMOTO NOBORU4YUASA TSUTOMU2HISAMITSU PHARMACEUTICAL CO1MBT HOLDING AG1
Top patents by PatentIndex Score
38 records- 0198US6376581B1Cement dispersant, method for production thereof, and cement composition using the dispersantMBT HOLDING AG·Filed 2000·Granted Apr 23, 2002·106 cites·13 claims
- 0295US6187841B1Cement composition using the dispersant of (meth)acrylic esters, (metha)acrylic acids polymersNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Feb 13, 2001·109 cites·10 claims
- 0393US5912284ACement additive, its production process and useNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Jun 15, 1999·108 cites·12 claims
- 0492US6864337B2Polycarboxylic acid copolymer, production method and use thereofNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Mar 8, 2005·35 cites·10 claims
- 0592US6388038B1Method for producing polycarboxylic acid for cement dispersant and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 14, 2002·58 cites·3 claims
- 0692US6265495B1Method for production of esterified productNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 24, 2001·47 cites·9 claims
- 0791US6166112ACement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Dec 26, 2000·72 cites·23 claims
- 0891US5925184ACement compositionNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Jul 20, 1999·79 cites·21 claims
- 0989US6294015B1Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Sep 25, 2001·69 cites·17 claims
- 1088US6165262ACement additive and cement composition using sameNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Dec 26, 2000·58 cites·6 claims
- 1186US7049462B2Production process for product of dehydration reaction and apparatus used for the productionNIPPON CATALYTIC CHEM IND·Filed 2001·Granted May 23, 2006·41 cites·15 claims
- 1286US6174980B1Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Jan 16, 2001·50 cites·10 claims
- 1385US6545083B1Cement additiveNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Apr 8, 2003·24 cites·5 claims
- 1484US6844372B2Crosslinked anion-exchange resin or salt thereof and phosphorus adsorbent comprising the sameHISAMITSU PHARMACEUTICAL CO·Filed 2001·Granted Jan 18, 2005·36 cites·8 claims
- 1583US6919388B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jul 19, 2005·23 cites·20 claims
- 1681US6486260B1Cement additive, cement composition and polycarboxylic acid polymerNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Nov 26, 2002·42 cites·6 claims
- 1780US6048916AMethod for dispersion of cementNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Apr 11, 2000·20 cites·25 claims
- 1878US7405264B2Polycarboxylic acid copolymer, production method and use thereofNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jul 29, 2008·13 cites·12 claims
- 1973US6258162B1Cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 10, 2001·28 cites·10 claims
- 2072US8476341B2Multi-branched polyalkylene glycol polymer, method for producing the same, and admixture for cementSAKAMOTO NOBORU·Filed 2009·Granted Jul 2, 2013·3 cites·17 claims
- 2172US7247662B2Cement dispersant, its production process, and cement composition using the cement dispersantNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Jul 24, 2007·3 cites·9 claims
- 2270US6900275B2(Meth) acrylic acid (salt) polymer and its production processNIPPON CATALYTIC CHEM IND·Filed 2002·Granted May 31, 2005·9 cites·29 claims
- 2369US7662884B2Cement admixture and production method thereofNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Feb 16, 2010·9 cites·7 claims
- 2468US6087418ACement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 11, 2000·24 cites·18 claims
- 2567US6946505B2Cement dispersant, its production process, and cement composition using the cement dispersantNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Sep 20, 2005·8 cites·5 claims
- 2662US8188167B2Polyalkylene glycol chain-containing thiol polymer, thiol-modified monomer, mixture thereof, and admixture for cementSAKAMOTO NOBORU·Filed 2008·Granted May 29, 2012·0 cites·18 claims
- 2762US6716896B2Method for production of esterified product and apparatus thereforNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Apr 6, 2004·4 cites·1 claims
- 2862US6362364B1Method for production of esterified product and apparatus thereforNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Mar 26, 2002·13 cites·20 claims
- 2959US7851576B2Polymer and cement admixture using the sameNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Dec 14, 2010·0 cites·6 claims
- 3058US7321006B2Admixture for cementNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jan 22, 2008·4 cites·14 claims
- 3156US2016031759A1Polycarboxylic acid polymer for blending in cementNIPPON CATALYTIC CHEM IND·Filed 2015·Application pending·0 cites
- 3252US2012208949A1Polyalkylene glycol chain-containing thiol polymer, thiol-modified monomer, mixture thereof, and admixture for cementSAKAMOTO NOBORU·Filed 2012·Application pending·0 cites
- 3351US8344085B2Polymer and cement admixture using the sameNIPPON CATALYTIC CHEM IND·Filed 2010·Granted Jan 1, 2013·0 cites·15 claims
- 3445US2006223914A1Polycarboxylic acid polymer for blending in cementYUASA TSUTOMU·Filed 2006·Application pending·0 cites
- 3544US2007066767A1Polyalkylene glycolsNIPPON CATALYTIC CHEM IND·Filed 2006·Application pending·0 cites
- 3643US2007073015A1Polymer, a method for producing the polymer, and a cement admixture using the sameSAKAMOTO NOBORU·Filed 2006·Application pending·0 cites
- 3739US8754264B2Production method of unsaturated (poly)alkylene glycol ether monomer and production method of (poly)alkylene glycol chain-containing polymerYUASA TSUTOMU·Filed 2008·Granted Jun 17, 2014·0 cites·8 claims
- 3835US2004059065A1Crosslinked anion-exchange resin or salt thereofFiled 2001·Application pending·0 cites
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