Inventor
OMURA TAKASHI
JP96 patents
⚠️ This page may combine multiple inventors who share the name “OMURA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
36 patentsUS4833123AMay 23, 1989
Yellow dye-donor element used in thermal transfer and thermal transfer and thermal transfer sheet using it
SUMITOMO CHEMICAL CO27 citations92
US4341699AJul 27, 1982
Reactive red dye having both monochlorotriazinyl- and vinylsulfone-type reactive groups
SUMITOMO CHEMICAL CO36 citations92
US5700296ADec 23, 1997
Azo compound and a polarizing film containing the same
SUMITOMO CHEMICAL CO23 citations91
US4412948ANov 1, 1983
Reactive disazo blue dye
SUMITOMO CHEMICAL CO22 citations82
US5112971AMay 12, 1992
Anthraquinone dye compounds having fibers reactive group
SUMITOMO CHEMICAL CO8 citations74
US4975094ADec 4, 1990
Anthrapyridone compounds having vinylsulfone type fiber reactive group through triazinyl bridging group
SUMITOMO CHEMICAL CO9 citations74
US4530996AJul 23, 1985
Bisazo blue-black dye having vinylsulfone type fiber-reactive group
SUMITOMO CHEMICAL CO16 citations74
US5324329AJun 28, 1994
Reactive dye composition and dyeing or printing process using the same
SUMITOMO CHEMICAL CO9 citations73
US5077416ADec 31, 1991
Benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials and process for their production
SUMITOMO CHEMICAL CO9 citations73
US5037965AAug 6, 1991
Monoazo red dye compound having vinylsulfone type fiber reactive groups
SUMITOMO CHEMICAL CO8 citations73
US4933446AJun 12, 1990
Triphenodioxazine compounds
SUMITOMO CHEMICAL CO12 citations73
US4873321AOct 10, 1989
Monazo compounds having a triozinyl bridging group and two vinylsulfone type fiber reactive groups
SUMITOMO CHEMICAL CO11 citations73
US4841032AJun 20, 1989
Fiber reactive monoazo compounds having two vinylsulfone type fiber reactive groups in the molecule
SUMITOMO CHEMICAL CO9 citations73
US4780107AOct 25, 1988
Fiber reactive dioxazine compound having four vinylsulfone type reactive groups
SUMITOMO CHEMICAL CO12 citations73
US4720542AJan 19, 1988
Formazan blue reactive dye
SUMITOMO CHEMICAL CO10 citations73
US4698421AOct 6, 1987
Fiber-reactive disazo brown dye having vinylsulfone-type reactive group
SUMITOMO CHEMICAL CO9 citations73
US4663440AMay 5, 1987
Bisazo brown reactive dye
SUMITOMO CHEMICAL CO9 citations73
US4631341ADec 23, 1986
Anthraquinone compound having both monohalogenotriazinyl and vinylsulfone type fiber reactive groups
SUMITOMO CHEMICAL CO13 citations73
US4618671AOct 21, 1986
4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groups
SUMITOMO CHEMICAL CO7 citations73
US4540418ASep 10, 1985
Reactive dye composition
SUMITOMO CHEMICAL CO10 citations73
US4511507AApr 16, 1985
Monoazo compound having both monochlorotriazinyl and vinylsulfone type reactive groups
SUMITOMO CHEMICAL CO7 citations73
US6235064B1May 22, 2001
Dye containing polarizing film
SUMITOMO CHEMICAL CO13 citations72
US5530105AJun 25, 1996
Tetraskisazo compound and ink containing the compound
SUMITOMO CHEMICAL CO17 citations72
US5038415AAug 13, 1991
Disperse dye composition useful for dyeing of printing hydrophobic fiber materials: mixture of pyridone mono-azo dyes and optionally a quino-phthalone
SUMITOMO CHEMICAL CO15 citations72
US4935500AJun 19, 1990
Metallized formazan compounds having two fiber reactive groups linked by n-alkyl-containing group
SUMITOMO CHEMICAL CO17 citations72
US4837310AJun 6, 1989
Red or bluish-red fiber-reactive monoazo compound having 7-substituted amino-1-naphthol-sulfonic acid as coupling component between the chromophore and fiber reactive portions of the compound
SUMITOMO CHEMICAL CO18 citations72
US4626589ADec 2, 1986
Organic dye compound having both pyridiniotriazinyl and vinylsulfone type fiber-reactive groups
SUMITOMO CHEMICAL CO13 citations72
US4505714AMar 19, 1985
Phthalocyanine fiber reactive compound
SUMITOMO CHEMICAL CO9 citations72
US5536819AJul 16, 1996
Trisazo compounds imparting deep black color a method for dyeing by using them and an ink containing them
SUMITOMO CHEMICAL CO9 citations71
US5609796AMar 11, 1997
Dye containing polarizing film
SUMITOMO CHEMICAL CO10 citations69
US4684721AAug 4, 1987
Fiber-reactive phthalocyanine compound having both vinylsulfone type and dihalogenotriazinyl groups
SUMITOMO CHEMICAL CO2 citations63
US4464297AAug 7, 1984
Fiber reactive bisazo dye having both a vinylsulfone type reactive group and an ortho-nitrophenyl group
SUMITOMO CHEMICAL CO6 citations63
US5596083AJan 21, 1997
Monoazo compounds and method for dyeing or printing fiber materials using the same
SUMITOMO CHEMICAL CO6 citations62
US5480977AJan 2, 1996
Disazo dyes having aminobenzoylamino group
SUMITOMO CHEMICAL CO3 citations62
US5424455AJun 13, 1995
Heterocyclic compounds for making red disperse dyes
SUMITOMO CHEMICAL CO6 citations62
US5116956AMay 26, 1992
Polyazo dye compounds having vinylsulfone type and pyridinium type fiber reactive groups
SUMITOMO CHEMICAL CO4 citations62
BROTHER IND LTD
8 patentsUS9592681B2Mar 14, 2017
Ink-jet recording apparatus
BROTHER IND LTD6 citations84
US9259946B2Feb 16, 2016
Ink-jet recording apparatus
BROTHER IND LTD4 citations84
US10399367B2Sep 3, 2019
Ink-jet recording apparatus
BROTHER IND LTD2 citations73
US10071571B2Sep 11, 2018
Ink-jet recording apparatus
BROTHER IND LTD2 citations73
US9592977B2Mar 14, 2017
Sheet conveying apparatus
BROTHER IND LTD2 citations73
US8746687B2Jun 10, 2014
Image forming apparatus capable of duplex printing
BROTHER IND LTD4 citations73
US10953673B2Mar 23, 2021
Ink-jet recording apparatus
BROTHER IND LTD0 citations63
US9090098B2Jul 28, 2015
Image recording apparatus
BROTHER IND LTD2 citations63
ITO TSUYOSHI
2 patentsPENTEL KK
1 patentBrother Kongyo Kabushiki Kaisha
1 patentMITSUBISHI ELECTRIC CORP
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentShowing the top 50 of 96 patents by PatentIndex Score.