Inventor
HIRATA TSUYOSHI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “HIRATA TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
39 patentsUS6187841B1Feb 13, 2001
Cement composition using the dispersant of (meth)acrylic esters, (metha)acrylic acids polymers
NIPPON CATALYTIC CHEM IND109 citations98
US6166112ADec 26, 2000
Cement admixture and cement composition
NIPPON CATALYTIC CHEM IND72 citations96
US5925184AJul 20, 1999
Cement composition
NIPPON CATALYTIC CHEM IND79 citations96
US5912284AJun 15, 1999
Cement additive, its production process and use
NIPPON CATALYTIC CHEM IND108 citations96
US6294015B1Sep 25, 2001
Cement admixture and cement composition
NIPPON CATALYTIC CHEM IND69 citations95
US6165262ADec 26, 2000
Cement additive and cement composition using same
NIPPON CATALYTIC CHEM IND58 citations95
US6388038B1May 14, 2002
Method for producing polycarboxylic acid for cement dispersant and cement composition
NIPPON CATALYTIC CHEM IND58 citations94
US6174980B1Jan 16, 2001
Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition
NIPPON CATALYTIC CHEM IND50 citations94
US6265495B1Jul 24, 2001
Method for production of esterified product
NIPPON CATALYTIC CHEM IND47 citations93
US7125944B2Oct 24, 2006
Cement admixture and cement composition
NIPPON CATALYTIC CHEM IND26 citations92
US6919388B2Jul 19, 2005
Cement admixture and cement composition
NIPPON CATALYTIC CHEM IND23 citations92
US6911494B2Jun 28, 2005
Cement admixture and cement composition
NIPPON CATALYTIC CHEM IND26 citations92
US6864337B2Mar 8, 2005
Polycarboxylic acid copolymer, production method and use thereof
NIPPON CATALYTIC CHEM IND35 citations92
US6569234B2May 27, 2003
Cement dispersant and cement composition comprising this
NIPPON CATALYTIC CHEM IND53 citations92
US6545083B1Apr 8, 2003
Cement additive
NIPPON CATALYTIC CHEM IND24 citations92
US6486260B1Nov 26, 2002
Cement additive, cement composition and polycarboxylic acid polymer
NIPPON CATALYTIC CHEM IND42 citations92
US6258162B1Jul 10, 2001
Cement composition
NIPPON CATALYTIC CHEM IND28 citations92
US6087418AJul 11, 2000
Cement admixture and cement composition
NIPPON CATALYTIC CHEM IND24 citations92
US6048916AApr 11, 2000
Method for dispersion of cement
NIPPON CATALYTIC CHEM IND20 citations92
US4870120ASep 26, 1989
Cement dispersant
NIPPON CATALYTIC CHEM IND32 citations92
US5834576ANov 10, 1998
Acrylic acid derivatives, method for preparing the acrylic acid derivatives, and acrylic acid polymers
NIPPON CATALYTIC CHEM IND49 citations91
US7691982B2Apr 6, 2010
Dispersant using kraft lignin and novel lignin derivative
NIPPON CATALYTIC CHEM IND12 citations84
US7304104B2Dec 4, 2007
Cement admixture, cement composition and method for laying work the same, and method for producing cement hardened product
NIPPON CATALYTIC CHEM IND14 citations84
US6384141B2May 7, 2002
Anti-shrinkage agent for hydraulic material
NIPPON CATALYTIC CHEM IND16 citations84
US7662884B2Feb 16, 2010
Cement admixture and production method thereof
NIPPON CATALYTIC CHEM IND9 citations83
US7405264B2Jul 29, 2008
Polycarboxylic acid copolymer, production method and use thereof
NIPPON CATALYTIC CHEM IND13 citations83
US6454850B2Sep 24, 2002
Cement admixture and cement composition comprising this
NIPPON CATALYTIC CHEM IND20 citations80
US6946505B2Sep 20, 2005
Cement dispersant, its production process, and cement composition using the cement dispersant
NIPPON CATALYTIC CHEM IND8 citations74
US6362364B1Mar 26, 2002
Method for production of esterified product and apparatus therefor
NIPPON CATALYTIC CHEM IND13 citations74
US4972025ANov 20, 1990
Cement dispersant
NIPPON CATALYTIC CHEM IND17 citations74
US6794473B2Sep 21, 2004
Acrylic acid (salt) polymer, its production process and uses
NIPPON CATALYTIC CHEM IND9 citations73
US5856288AJan 5, 1999
Polyalkylene glycol-polyglyoxylate block copolymer, its production process and use
NIPPON CATALYTIC CHEM IND9 citations73
US7402644B2Jul 22, 2008
Production processes for alkylene oxide addition product and its derivatives
NIPPON CATALYTIC CHEM IND2 citations63
US7253220B2Aug 7, 2007
Cement admixture and cement composition
NIPPON CATALYTIC CHEM IND6 citations63
US7247662B2Jul 24, 2007
Cement dispersant, its production process, and cement composition using the cement dispersant
NIPPON CATALYTIC CHEM IND3 citations63
US6762325B2Jul 13, 2004
Method for production of alkoxylated compound
NIPPON CATALYTIC CHEM IND4 citations63
US6716896B2Apr 6, 2004
Method for production of esterified product and apparatus therefor
NIPPON CATALYTIC CHEM IND4 citations63
US5137945AAug 11, 1992
Cement with sulfoalkyacrylate polymers
NIPPON CATALYTIC CHEM IND6 citations63
US7321006B2Jan 22, 2008
Admixture for cement
NIPPON CATALYTIC CHEM IND4 citations61
DAIICHI SANKYO CO LTD
3 patentsUS11077202B2Aug 3, 2021
Anti-CDH6 antibody and anti-CDH6 antibody-drug conjugate
DAIICHI SANKYO CO LTD2 citations71
US12233155B2Feb 25, 2025
Polynucleotides encoding antibodies which bind the EC3 domain of cadherin-6 (CDH6) and possess internalization ability
DAIICHI SANKYO CO LTD0 citations60
US11446386B2Sep 20, 2022
Anti-CDH6 antibody and method of producing an anti-CDH6 antibody-drug conjugate
DAIICHI SANKYO CO LTD0 citations60