Inventor
HIHARA TOSHIO
JP39 patents
⚠️ This page may combine multiple inventors who share the name “HIHARA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM IND
18 patentsUS4500455AFeb 19, 1985
Reactive disperse diaminopyridine azo dyes containing a fluorostriazine group
MITSUBISHI CHEM IND28 citations92
US4841029AJun 20, 1989
Diazo colors and dyeing method using the same
MITSUBISHI CHEM IND6 citations74
US4707546ANov 17, 1987
Reactive monoazo dyestuffs
MITSUBISHI CHEM IND6 citations74
US4515716AMay 7, 1985
2,6-Diaminopyridine-based azo dyes for cellulose-containing fibers
MITSUBISHI CHEM IND19 citations74
US4473499ASep 25, 1984
Reactive disazo dyes containing an oxy fluoro triazine group for cellulose containing fibers
MITSUBISHI CHEM IND12 citations74
US4436906AMar 13, 1984
Anthraquinone dyes for cellulose-containing fibers and process for producing the same
MITSUBISHI CHEM IND8 citations74
US4985545AJan 15, 1991
Water-soluble formazan colorant containing reactive group and method of dyeing by its use
MITSUBISHI CHEM IND8 citations73
US4626590ADec 2, 1986
Reactive monoazo and disazo pyridone dyestuffs containing a halo-substituted 6-member nitrogen-containing heterocyclic ring
MITSUBISHI CHEM IND3 citations63
US4507476AMar 26, 1985
Anthraquinone dyestuffs for cellulose-containing fibers
MITSUBISHI CHEM IND2 citations63
US4500710AFeb 19, 1985
Quinophthalone dyes for cellulose-containing fibers
MITSUBISHI CHEM IND3 citations63
US4743684AMay 10, 1988
Reactive phthalocyanine dyes
MITSUBISHI CHEM IND4 citations62
US4888028ADec 19, 1989
Water-soluble blue dye mixture and dyeing method: anthraquinone reactive dye and formazan reactive dye
MITSUBISHI CHEM IND4 citations59
US4276047AJun 30, 1981
Anthraquinone reactive dyes for cellulose-containing fibers
MITSUBISHI CHEM IND6 citations58
US4837309AJun 6, 1989
Monohalo substituted triazinyl monoazo dyestuffs for cellulose-containing fibers
MITSUBISHI CHEM IND1 citations52
US4801696AJan 31, 1989
Phenylazocyanothiopheneazoaniline dyes for dyeing cellulose-containing fibers in blue to bluish green shades
MITSUBISHI CHEM IND0 citations52
US4623719ANov 18, 1986
Disazo dyestuffs having a monofluorotriazinyl group
MITSUBISHI CHEM IND0 citations52
US4988801AJan 29, 1991
Water soluble monoazo dye-stuffs containing vinylsulfone and halogenotriazine or difluoromonochloro pyrimidine type reactive groups
MITSUBISHI CHEM IND1 citations51
US4872881AOct 10, 1989
Mixtures of water-soluble red and yellow or blue reactive dyes and a method of dyeing cellulosic fibers using such dye mixtures
MITSUBISHI CHEM IND1 citations51
DYSTAR JAPAN LTD
11 patentsUS5744588AApr 28, 1998
Blue type disperse dye mixture and process for its preparation
DYSTAR JAPAN LTD12 citations73
US5608042AMar 4, 1997
Benzothiazolemonoazo dyes
DYSTAR JAPAN LTD14 citations73
US5532344AJul 2, 1996
Process for producing a monoazodye by diazo-coupling of a p-nitroanaline derivative with a N,N-substituted analine derivative
DYSTAR JAPAN LTD7 citations71
US5595575AJan 21, 1997
Blue disperse dye mixture
DYSTAR JAPAN LTD3 citations62
US5569309AOct 29, 1996
Disperse dye compositions
DYSTAR JAPAN LTD6 citations62
US5527888AJun 18, 1996
Thiophene-type monoazo dyes
DYSTAR JAPAN LTD3 citations62
US5545236AAug 13, 1996
Red reactive dyes, their compositions and dyeing method employing them
DYSTAR JAPAN LTD4 citations61
US5734028AMar 31, 1998
Blue type disperse dye mixture
DYSTAR JAPAN LTD2 citations56
US5756690AMay 26, 1998
Red reactive dyes, their compositions and dyeing method employing them
DYSTAR JAPAN LTD1 citations51
USRE37004EDec 26, 2000
Water-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structure
DYSTAR JAPAN LTD0 citations47
US5494493AFeb 27, 1996
Disperse dye mixture
DYSTAR JAPAN LTD0 citations41
HOECHST MITSUBISHI KASEI
4 patentsUS5380827AJan 10, 1995
Water-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structure
HOECHST MITSUBISHI KASEI13 citations73
US5332404AJul 26, 1994
Disperse dye mixtures
HOECHST MITSUBISHI KASEI11 citations69
US5440024AAug 8, 1995
3-cyano-5-nitrothiophene type monoazo dyes and mixtures thereof
HOECHST MITSUBISHI KASEI3 citations63
US5290931AMar 1, 1994
Water-insoluble naphthalic acid imide dyestuffs
HOECHST MITSUBISHI KASEI4 citations62
DYSTAR TEXTILFARBEN GMBH & CO
3 patentsUS6388057B1May 14, 2002
Crystalline modification of a water-insoluble monoazo dye
DYSTAR TEXTILFARBEN GMBH & CO0 citations51
US7097670B2Aug 29, 2006
Yellow disperse dye mixture which has a high level of light fastness
DYSTAR TEXTILFARBEN GMBH & CO0 citations47
US7824451B2Nov 2, 2010
Disperse dye mixtures which have a high degree of light fastness
DYSTAR TEXTILFARBEN GMBH & CO1 citations45