Inventor · disambiguated record
Takashi Omura
Also filed as: OMURA TAKASHI
95 granted patents·2 pending applications·598 citations·filing 1980–2020
99Inventor score
Files withSUMITOMO CHEMICAL CO70BROTHER IND LTD12ITO TSUYOSHI4HONDA MOTOR CO LTD2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2
Top patents by PatentIndex Score
97 records- 0198US8708481B2Ink-jet recording apparatusITO TSUYOSHI·Filed 2012·Granted Apr 29, 2014·15 cites·14 claims
- 0297US9592681B2Ink-jet recording apparatusBROTHER IND LTD·Filed 2016·Granted Mar 14, 2017·6 cites·14 claims
- 0396US4341699AReactive red dye having both monochlorotriazinyl- and vinylsulfone-type reactive groupsSUMITOMO CHEMICAL CO·Filed 1980·Granted Jul 27, 1982·36 cites·3 claims
- 0494US9259946B2Ink-jet recording apparatusBROTHER IND LTD·Filed 2015·Granted Feb 16, 2016·4 cites·3 claims
- 0593US9022555B2Ink-jet recording apparatusITO TSUYOSHI·Filed 2014·Granted May 5, 2015·4 cites·19 claims
- 0691US10071571B2Ink-jet recording apparatusBROTHER IND LTD·Filed 2017·Granted Sep 11, 2018·2 cites·14 claims
- 0791US9056505B2Inkjet recording apparatusBrother Kongyo Kabushiki Kaisha·Filed 2015·Granted Jun 16, 2015·6 cites·13 claims
- 0890US4412948AReactive disazo blue dyeSUMITOMO CHEMICAL CO·Filed 1980·Granted Nov 1, 1983·22 cites·4 claims
- 0989US10399367B2Ink-jet recording apparatusBROTHER IND LTD·Filed 2018·Granted Sep 3, 2019·2 cites·12 claims
- 1085US4530996ABisazo blue-black dye having vinylsulfone type fiber-reactive groupSUMITOMO CHEMICAL CO·Filed 1982·Granted Jul 23, 1985·16 cites·7 claims
- 1184US4935500AMetallized formazan compounds having two fiber reactive groups linked by n-alkyl-containing groupSUMITOMO CHEMICAL CO·Filed 1983·Granted Jun 19, 1990·17 cites·8 claims
- 1282US4837310ARed 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 compoundSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 6, 1989·18 cites·6 claims
- 1380US4631341AAnthraquinone compound having both monohalogenotriazinyl and vinylsulfone type fiber reactive groupsSUMITOMO CHEMICAL CO·Filed 1984·Granted Dec 23, 1986·13 cites·4 claims
- 1479US8746687B2Image forming apparatus capable of duplex printingBROTHER IND LTD·Filed 2012·Granted Jun 10, 2014·4 cites·8 claims
- 1578USD444175SCorrection penPENTEL KK·Filed 2000·Granted Jun 26, 2001·23 cites·1 claims
- 1676US10953673B2Ink-jet recording apparatusBROTHER IND LTD·Filed 2019·Granted Mar 23, 2021·0 cites·8 claims
- 1776US4933446ATriphenodioxazine compoundsSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 12, 1990·12 cites·8 claims
- 1876US4780107AFiber reactive dioxazine compound having four vinylsulfone type reactive groupsSUMITOMO CHEMICAL CO·Filed 1988·Granted Oct 25, 1988·12 cites·11 claims
- 1975US9592977B2Sheet conveying apparatusBROTHER IND LTD·Filed 2015·Granted Mar 14, 2017·2 cites·13 claims
- 2074US11652024B2CoolerMITSUBISHI ELECTRIC CORP·Filed 2020·Granted May 16, 2023·1 cites·8 claims
- 2174US10103527B2Shielded harness including molded body and fixing memberMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Oct 16, 2018·2 cites·9 claims
- 2274US4720542AFormazan blue reactive dyeSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 19, 1988·10 cites·5 claims
- 2374US4663440ABisazo brown reactive dyeSUMITOMO CHEMICAL CO·Filed 1981·Granted May 5, 1987·9 cites·2 claims
- 2473US4873321AMonazo compounds having a triozinyl bridging group and two vinylsulfone type fiber reactive groupsSUMITOMO CHEMICAL CO·Filed 1987·Granted Oct 10, 1989·11 cites·11 claims
- 2572US9090098B2Image recording apparatusBROTHER IND LTD·Filed 2013·Granted Jul 28, 2015·2 cites·6 claims
- 2672US8967796B2Inkjet recording apparatusITO TSUYOSHI·Filed 2014·Granted Mar 3, 2015·1 cites·15 claims
- 2772US6235064B1Dye containing polarizing filmSUMITOMO CHEMICAL CO·Filed 1994·Granted May 22, 2001·13 cites·8 claims
- 2871US5077416ABenzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials and process for their productionSUMITOMO CHEMICAL CO·Filed 1989·Granted Dec 31, 1991·9 cites·9 claims
- 2969US4975094AAnthrapyridone compounds having vinylsulfone type fiber reactive group through triazinyl bridging groupSUMITOMO CHEMICAL CO·Filed 1989·Granted Dec 4, 1990·9 cites·12 claims
- 3069US4833123AYellow dye-donor element used in thermal transfer and thermal transfer and thermal transfer sheet using itSUMITOMO CHEMICAL CO·Filed 1988·Granted May 23, 1989·27 cites·14 claims
- 3169US4698421AFiber-reactive disazo brown dye having vinylsulfone-type reactive groupSUMITOMO CHEMICAL CO·Filed 1985·Granted Oct 6, 1987·9 cites·5 claims
- 3268US4841032AFiber reactive monoazo compounds having two vinylsulfone type fiber reactive groups in the moleculeSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 20, 1989·9 cites·8 claims
- 3367US5536819ATrisazo compounds imparting deep black color a method for dyeing by using them and an ink containing themSUMITOMO CHEMICAL CO·Filed 1994·Granted Jul 16, 1996·9 cites·12 claims
- 3466US5324329AReactive dye composition and dyeing or printing process using the sameSUMITOMO CHEMICAL CO·Filed 1993·Granted Jun 28, 1994·9 cites·7 claims
- 3566US5037965AMonoazo red dye compound having vinylsulfone type fiber reactive groupsSUMITOMO CHEMICAL CO·Filed 1988·Granted Aug 6, 1991·8 cites·14 claims
- 3666US4618671A4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groupsSUMITOMO CHEMICAL CO·Filed 1984·Granted Oct 21, 1986·7 cites·6 claims
- 3765US5112971AAnthraquinone dye compounds having fibers reactive groupSUMITOMO CHEMICAL CO·Filed 1989·Granted May 12, 1992·8 cites·2 claims
- 3864US4626589AOrganic dye compound having both pyridiniotriazinyl and vinylsulfone type fiber-reactive groupsSUMITOMO CHEMICAL CO·Filed 1985·Granted Dec 2, 1986·13 cites·6 claims
- 3963US4464297AFiber reactive bisazo dye having both a vinylsulfone type reactive group and an ortho-nitrophenyl groupSUMITOMO CHEMICAL CO·Filed 1982·Granted Aug 7, 1984·6 cites·8 claims
- 4061US9321283B2Inkjet recording apparatusBROTHER IND LTD·Filed 2015·Granted Apr 26, 2016·0 cites·13 claims
- 4161US4812558ATriazine compound having two vinylsulfone type fiber reactive groupsSUMITOMO CHEMICAL CO·Filed 1987·Granted Mar 14, 1989·7 cites·8 claims
- 4260US4880431AAryl monoazo pyridone yellow compound having two vinylsulfone type fiber reactive groups bonded to a triazine ring for dyeing cellulose or polyamideSUMITOMO CHEMICAL CO·Filed 1987·Granted Nov 14, 1989·6 cites·10 claims
- 4359US5424455AHeterocyclic compounds for making red disperse dyesSUMITOMO CHEMICAL CO·Filed 1993·Granted Jun 13, 1995·6 cites·14 claims
- 4459US4841048ADioxazine compound having vinylsulfone type fiber reactive groupSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 20, 1989·6 cites·6 claims
- 4558US5700296AAzo compound and a polarizing film containing the sameSUMITOMO CHEMICAL CO·Filed 1996·Granted Dec 23, 1997·23 cites·26 claims
- 4658US5530105ATetraskisazo compound and ink containing the compoundSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 25, 1996·17 cites·11 claims
- 4758US2020281261A1Smoking articleJAPAN TOBACCO INC·Filed 2020·Application pending·0 cites
- 4857US4879372AFiber reactive compound having sym-triazine and aminobenzoylamine moietiesSUMITOMO CHEMICAL CO·Filed 1987·Granted Nov 7, 1989·5 cites·8 claims
- 4956US5596083AMonoazo compounds and method for dyeing or printing fiber materials using the sameSUMITOMO CHEMICAL CO·Filed 1995·Granted Jan 21, 1997·6 cites·10 claims
- 5055US11121603B2Drive unitHONDA MOTOR CO LTD·Filed 2018·Granted Sep 14, 2021·0 cites·6 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →