Inventor · disambiguated record
Toshio Hihara
Also filed as: HIHARA TOSHIO
39 granted patents·1 pending application·216 citations·filing 1980–2005
97Inventor score
Files withMITSUBISHI CHEM IND18DYSTAR JAPAN LTD11HOECHST MITSUBISHI KASEI4DYSTAR TEXTILFARBEN GMBH & CO3DYSTAR TEXTIFARBEN GMBH & CO D1
Top patents by PatentIndex Score
40 records- 0188US4515716A2,6-Diaminopyridine-based azo dyes for cellulose-containing fibersMITSUBISHI CHEM IND·Filed 1982·Granted May 7, 1985·19 cites·3 claims
- 0287US4500455AReactive disperse diaminopyridine azo dyes containing a fluorostriazine groupMITSUBISHI CHEM IND·Filed 1982·Granted Feb 19, 1985·28 cites·3 claims
- 0379US4473499AReactive disazo dyes containing an oxy fluoro triazine group for cellulose containing fibersMITSUBISHI CHEM IND·Filed 1982·Granted Sep 25, 1984·12 cites·2 claims
- 0478US5380827AWater-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structureHOECHST MITSUBISHI KASEI·Filed 1993·Granted Jan 10, 1995·13 cites·12 claims
- 0569US5608042ABenzothiazolemonoazo dyesDYSTAR JAPAN LTD·Filed 1996·Granted Mar 4, 1997·14 cites·9 claims
- 0669US4843150APyrazolone or pyridone type water soluble disazo colorant containing one or two triazine ringsMITSUBUSHI CHEMICAL IND LIMITE·Filed 1987·Granted Jun 27, 1989·18 cites·10 claims
- 0769US4436906AAnthraquinone dyes for cellulose-containing fibers and process for producing the sameMITSUBISHI CHEM IND·Filed 1982·Granted Mar 13, 1984·8 cites·2 claims
- 0868US4985545AWater-soluble formazan colorant containing reactive group and method of dyeing by its useMITSUBISHI CHEM IND·Filed 1988·Granted Jan 15, 1991·8 cites·4 claims
- 0962US4707546AReactive monoazo dyestuffsMITSUBISHI CHEM IND·Filed 1986·Granted Nov 17, 1987·6 cites·3 claims
- 1060US5532344AProcess for producing a monoazodye by diazo-coupling of a p-nitroanaline derivative with a N,N-substituted analine derivativeDYSTAR JAPAN LTD·Filed 1993·Granted Jul 2, 1996·7 cites·15 claims
- 1157US5569309ADisperse dye compositionsDYSTAR JAPAN LTD·Filed 1995·Granted Oct 29, 1996·6 cites·12 claims
- 1256US5290931AWater-insoluble naphthalic acid imide dyestuffsHOECHST MITSUBISHI KASEI·Filed 1992·Granted Mar 1, 1994·4 cites·17 claims
- 1354US5332404ADisperse dye mixturesHOECHST MITSUBISHI KASEI·Filed 1992·Granted Jul 26, 1994·11 cites·13 claims
- 1452US5545236ARed reactive dyes, their compositions and dyeing method employing themDYSTAR JAPAN LTD·Filed 1995·Granted Aug 13, 1996·4 cites·5 claims
- 1550US4888028AWater-soluble blue dye mixture and dyeing method: anthraquinone reactive dye and formazan reactive dyeMITSUBISHI CHEM IND·Filed 1988·Granted Dec 19, 1989·4 cites·12 claims
- 1650US4841029ADiazo colors and dyeing method using the sameMITSUBISHI CHEM IND·Filed 1988·Granted Jun 20, 1989·6 cites·3 claims
- 1749US4500710AQuinophthalone dyes for cellulose-containing fibersMITSUBISHI CHEM IND·Filed 1983·Granted Feb 19, 1985·3 cites·3 claims
- 1848US5440024A3-cyano-5-nitrothiophene type monoazo dyes and mixtures thereofHOECHST MITSUBISHI KASEI·Filed 1993·Granted Aug 8, 1995·3 cites·12 claims
- 1948US4626590AReactive monoazo and disazo pyridone dyestuffs containing a halo-substituted 6-member nitrogen-containing heterocyclic ringMITSUBISHI CHEM IND·Filed 1984·Granted Dec 2, 1986·3 cites·8 claims
- 2047US5527888AThiophene-type monoazo dyesDYSTAR JAPAN LTD·Filed 1995·Granted Jun 18, 1996·3 cites·11 claims
- 2146US7097670B2Yellow disperse dye mixture which has a high level of light fastnessDYSTAR TEXTILFARBEN GMBH & CO·Filed 2003·Granted Aug 29, 2006·0 cites·7 claims
- 2246US5744588ABlue type disperse dye mixture and process for its preparationDYSTAR JAPAN LTD·Filed 1996·Granted Apr 28, 1998·12 cites·10 claims
- 2346US4276047AAnthraquinone reactive dyes for cellulose-containing fibersMITSUBISHI CHEM IND·Filed 1980·Granted Jun 30, 1981·6 cites·2 claims
- 2445US7824451B2Disperse dye mixtures which have a high degree of light fastnessDYSTAR TEXTILFARBEN GMBH & CO·Filed 2004·Granted Nov 2, 2010·1 cites·11 claims
- 2543US5595575ABlue disperse dye mixtureDYSTAR JAPAN LTD·Filed 1995·Granted Jan 21, 1997·3 cites·5 claims
- 2643US4507476AAnthraquinone dyestuffs for cellulose-containing fibersMITSUBISHI CHEM IND·Filed 1984·Granted Mar 26, 1985·2 cites·12 claims
- 2741US6388057B1Crystalline modification of a water-insoluble monoazo dyeDYSTAR TEXTILFARBEN GMBH & CO·Filed 2000·Granted May 14, 2002·0 cites·4 claims
- 2840US4743684AReactive phthalocyanine dyesMITSUBISHI CHEM IND·Filed 1985·Granted May 10, 1988·4 cites·20 claims
- 2937US5756690ARed reactive dyes, their compositions and dyeing method employing themDYSTAR JAPAN LTD·Filed 1996·Granted May 26, 1998·1 cites·7 claims
- 3037US4988801AWater soluble monoazo dye-stuffs containing vinylsulfone and halogenotriazine or difluoromonochloro pyrimidine type reactive groupsMITSUBISHI CHEM IND·Filed 1989·Granted Jan 29, 1991·1 cites·2 claims
- 3137US2007271710A1Disperse Dyes for Poly(Lactic Acid) Based FibersDYSTAR TEXTIFARBEN GMBH & CO D·Filed 2005·Application pending·0 cites
- 3235US4837309AMonohalo substituted triazinyl monoazo dyestuffs for cellulose-containing fibersMITSUBISHI CHEM IND·Filed 1984·Granted Jun 6, 1989·1 cites·9 claims
- 3333US4960871AFiber-reactive halotriazine pyridine-based monoazo colorantMITSUBISHI CHEMICAL IND INC·Filed 1989·Granted Oct 2, 1990·2 cites·9 claims
- 3433US4872881AMixtures of water-soluble red and yellow or blue reactive dyes and a method of dyeing cellulosic fibers using such dye mixturesMITSUBISHI CHEM IND·Filed 1988·Granted Oct 10, 1989·1 cites·38 claims
- 3531US4801696APhenylazocyanothiopheneazoaniline dyes for dyeing cellulose-containing fibers in blue to bluish green shadesMITSUBISHI CHEM IND·Filed 1987·Granted Jan 31, 1989·0 cites·6 claims
- 3631US4623719ADisazo dyestuffs having a monofluorotriazinyl groupMITSUBISHI CHEM IND·Filed 1986·Granted Nov 18, 1986·0 cites·3 claims
- 3730US5494493ADisperse dye mixtureDYSTAR JAPAN LTD·Filed 1994·Granted Feb 27, 1996·0 cites·4 claims
- 3828USRE37004EWater-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structureDYSTAR JAPAN LTD·Filed 1997·Granted Dec 26, 2000·0 cites·1 claims
- 3928US5734028ABlue type disperse dye mixtureDYSTAR JAPAN LTD·Filed 1996·Granted Mar 31, 1998·2 cites·7 claims
- 4027US5368612AMethod of dyeing a fiber mixture with water-insoluble naphthalic acid imide dyestuffsHOECHST MITSUBHISHI KASEI CO L·Filed 1993·Granted Nov 29, 1994·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →