Inventor · disambiguated record
Tsuyoshi Hirata
Also filed as: HIRATA TSUYOSHI
47 granted patents·8 pending applications·1,542 citations·filing 1988–2025
99Inventor score
Files withNIPPON CATALYTIC CHEM IND42DAIICHI SANKYO CO LTD4MBT HOLDING AG2HIRATA TSUYOSHI1MASANAGA MARI1
Top patents by PatentIndex Score
55 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
- 0297US5661206AFluidity control of cementitious compositionsMBT HOLDING AG·Filed 1995·Granted Aug 26, 1997·195 cites·17 claims
- 0395US6187841B1Cement 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
- 0494US6569234B2Cement dispersant and cement composition comprising thisNIPPON CATALYTIC CHEM IND·Filed 2001·Granted May 27, 2003·53 cites·23 claims
- 0593US5912284ACement additive, its production process and useNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Jun 15, 1999·108 cites·12 claims
- 0692US6864337B2Polycarboxylic acid copolymer, production method and use thereofNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Mar 8, 2005·35 cites·10 claims
- 0792US6388038B1Method for producing polycarboxylic acid for cement dispersant and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 14, 2002·58 cites·3 claims
- 0892US6265495B1Method for production of esterified productNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 24, 2001·47 cites·9 claims
- 0991US7691982B2Dispersant using kraft lignin and novel lignin derivativeNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Apr 6, 2010·12 cites·2 claims
- 1091US6166112ACement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Dec 26, 2000·72 cites·23 claims
- 1191US5925184ACement compositionNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Jul 20, 1999·79 cites·21 claims
- 1290US5834576AAcrylic acid derivatives, method for preparing the acrylic acid derivatives, and acrylic acid polymersNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Nov 10, 1998·49 cites·52 claims
- 1389US11077202B2Anti-CDH6 antibody and anti-CDH6 antibody-drug conjugateDAIICHI SANKYO CO LTD·Filed 2020·Granted Aug 3, 2021·2 cites·30 claims
- 1489US6727315B2Copolymer for cement admixtures and its production process and useFiled 2002·Granted Apr 27, 2004·35 cites·11 claims
- 1589US6294015B1Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Sep 25, 2001·69 cites·17 claims
- 1688US6165262ACement additive and cement composition using sameNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Dec 26, 2000·58 cites·6 claims
- 1786US7125944B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Oct 24, 2006·26 cites·22 claims
- 1886US6174980B1Cement 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
- 1985US6545083B1Cement additiveNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Apr 8, 2003·24 cites·5 claims
- 2084US6911494B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jun 28, 2005·26 cites·12 claims
- 2183US6919388B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jul 19, 2005·23 cites·20 claims
- 2281US6486260B1Cement additive, cement composition and polycarboxylic acid polymerNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Nov 26, 2002·42 cites·6 claims
- 2381US4870120ACement dispersantNIPPON CATALYTIC CHEM IND·Filed 1988·Granted Sep 26, 1989·32 cites·9 claims
- 2480US6048916AMethod for dispersion of cementNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Apr 11, 2000·20 cites·25 claims
- 2579US12233155B2Polynucleotides encoding antibodies which bind the EC3 domain of cadherin-6 (CDH6) and possess internalization abilityDAIICHI SANKYO CO LTD·Filed 2022·Granted Feb 25, 2025·0 cites·10 claims
- 2678US7405264B2Polycarboxylic acid copolymer, production method and use thereofNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jul 29, 2008·13 cites·12 claims
- 2777US6384141B2Anti-shrinkage agent for hydraulic materialNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 7, 2002·16 cites·9 claims
- 2876US7304104B2Cement admixture, cement composition and method for laying work the same, and method for producing cement hardened productNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Dec 4, 2007·14 cites·31 claims
- 2976US6454850B2Cement admixture and cement composition comprising thisNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Sep 24, 2002·20 cites·4 claims
- 3073US6258162B1Cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 10, 2001·28 cites·10 claims
- 3172US7247662B2Cement dispersant, its production process, and cement composition using the cement dispersantNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Jul 24, 2007·3 cites·9 claims
- 3271US6794473B2Acrylic acid (salt) polymer, its production process and usesNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Sep 21, 2004·9 cites·18 claims
- 3369US7662884B2Cement admixture and production method thereofNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Feb 16, 2010·9 cites·7 claims
- 3468US11446386B2Anti-CDH6 antibody and method of producing an anti-CDH6 antibody-drug conjugateDAIICHI SANKYO CO LTD·Filed 2018·Granted Sep 20, 2022·0 cites·18 claims
- 3568US6087418ACement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 11, 2000·24 cites·18 claims
- 3668US2025228766A1Polynucleotides encoding antibodies which bind the ec3 domain of cadherin-6 (cdh6) and possess internalization abilityDAIICHI SANKYO CO LTD·Filed 2025·Application pending·0 cites
- 3767US6946505B2Cement dispersant, its production process, and cement composition using the cement dispersantNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Sep 20, 2005·8 cites·5 claims
- 3865US7253220B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Aug 7, 2007·6 cites·22 claims
- 3963US8076396B2Ultrarapid hardening cement composition and dispersant for ultrarapid hardening cement compositionONO AKIRA·Filed 2006·Granted Dec 13, 2011·2 cites·9 claims
- 4063US4972025ACement dispersantNIPPON CATALYTIC CHEM IND·Filed 1988·Granted Nov 20, 1990·17 cites·8 claims
- 4162US9328022B2Copolymer for dispersant for cement, dispersant for cement, and cement compositionUNIV MUENCHEN TECH·Filed 2013·Granted May 3, 2016·1 cites·15 claims
- 4262US6716896B2Method for production of esterified product and apparatus thereforNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Apr 6, 2004·4 cites·1 claims
- 4362US6362364B1Method for production of esterified product and apparatus thereforNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Mar 26, 2002·13 cites·20 claims
- 4458US7321006B2Admixture for cementNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jan 22, 2008·4 cites·14 claims
- 4555US6762325B2Method for production of alkoxylated compoundNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jul 13, 2004·4 cites·10 claims
- 4653US7402644B2Production processes for alkylene oxide addition product and its derivativesNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Jul 22, 2008·2 cites·13 claims
- 4747US5856288APolyalkylene glycol-polyglyoxylate block copolymer, its production process and useNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Jan 5, 1999·9 cites·21 claims
- 4847US2005113541A1Polymer, process for preparing the same, and use of the sameNIPPON CATALYTIC CHEM IND·Filed 2004·Application pending·0 cites
- 4946US2009054557A1Cement admixtureYAMAZAKI HIROSHI·Filed 2006·Application pending·0 cites
- 5042US2007254976A1Method For Production Of Cement Dispersant And Polycarboxylic Acid Type Polymer For Cement DispersantNIPPON CATALYTIC CHEM IND·Filed 2005·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →