Inventor · disambiguated record
Toshio Tanaka
Also filed as: TANAKA TOSHIO
48 granted patents·1 pending application·299 citations·filing 1974–2022
98Inventor score
Files withTEIJIN LTD25TOYO BOSEKI6KYORIN SEIYAKU KK4TAKEDA PHARMACEUTICALS CO4ORIENTAL YEAST CO LTD3
Top patents by PatentIndex Score
49 records- 0194US4985585APhenoxyalkylcarboxylic acid derivatives and process for their preparationsKYORIN SEIYAKU KK·Filed 1989·Granted Jan 15, 1991·36 cites·1 claims
- 0293US11230545B2Heterocyclic compoundTAKEDA PHARMACEUTICALS CO·Filed 2021·Granted Jan 25, 2022·2 cites·4 claims
- 0382US4472428AHalogenated prostacyclins pharmaceutical use thereof and hydroxy intermediates thereforeTEIJIN LTD·Filed 1981·Granted Sep 18, 1984·17 cites·23 claims
- 0477US6878484B2Separator for secondary battery and method for producing the sameTOYO BOSEKI·Filed 2001·Granted Apr 12, 2005·15 cites·18 claims
- 0576US6403265B1Battery separator, process for producing the same, and alkaline batteryTOYO BOSEKI·Filed 2000·Granted Jun 11, 2002·13 cites·13 claims
- 0676US5290812APhenoxyalkylcarboxylic acid derivatives and process of preparing the sameKYORIN SEIYAKU KK·Filed 1991·Granted Mar 1, 1994·18 cites·5 claims
- 0776US4132726AProcess for the preparation of 4-hydroxycyclopent-2-en-1-one derivativesTEIJIN LTD·Filed 1975·Granted Jan 2, 1979·11 cites·13 claims
- 0874US12435063B2Nitrogen containing heterocycles as CDK12 inhibitorsTAKEDA PHARMACEUTICALS CO·Filed 2022·Granted Oct 7, 2025·0 cites·15 claims
- 0974US4008125ANew cyclopentene-diols and new acyl esters thereof and process for their preparationTEIJIN LTD·Filed 1975·Granted Feb 15, 1977·29 cites·10 claims
- 1071US8008525B2Receptor function regulating agentTAKEDA PHARMACEUTICAL·Filed 2004·Granted Aug 30, 2011·5 cites·5 claims
- 1168US5082594AMaterial for polarizable electrodeTOYO BOSEKI·Filed 1991·Granted Jan 21, 1992·20 cites·1 claims
- 1265US4649156A6-nitroprostaglandin derivativesTEIJIN LTD·Filed 1985·Granted Mar 10, 1987·8 cites·14 claims
- 1364US4810297AProcess for producing dimethylaminomethyl copper phthalocyanine and/or its derivativesDAINIPPON INK & CHEMICALS·Filed 1987·Granted Mar 7, 1989·6 cites·7 claims
- 1463US11584737B2Heterocyclic compoundTAKEDA PHARMACEUTICALS CO·Filed 2019·Granted Feb 21, 2023·0 cites·15 claims
- 1561US5382624APolymer particles and method for producing the sameTOYO BOSEKI·Filed 1993·Granted Jan 17, 1995·15 cites·7 claims
- 1661US4466980AThiaprostaglandin E1 derivatives, process for production thereof, and pharmaceutical use thereofTEIJIN LTD·Filed 1981·Granted Aug 21, 1984·7 cites·14 claims
- 1760US4039563AProcess for preparing cyclopent-2-en-1-one derivativesTEIJIN LTD·Filed 1975·Granted Aug 2, 1977·4 cites·13 claims
- 1859US6821680B2Battery separator, process for producing the same, and alkaline batteryTOYO BOSEKI·Filed 2002·Granted Nov 23, 2004·3 cites·9 claims
- 1958US4689426A5-alkylidene-2-halo-4-substituted-2-cyclopentenone and process for production thereofTEIJIN LTD·Filed 1984·Granted Aug 25, 1987·5 cites·2 claims
- 2057US4788319ANovel isocarbacyclins and processes for production thereofTEIJIN LTD·Filed 1987·Granted Nov 29, 1988·5 cites·7 claims
- 2156US6316238B1Process for producing activated human ALTORIENTAL YEAST CO LTD·Filed 1997·Granted Nov 13, 2001·15 cites·14 claims
- 2256US5888766AMethod for producing recombinant human myoglobinORIENTAL YEAST CO LTD·Filed 1995·Granted Mar 30, 1999·10 cites·11 claims
- 2355US4841091AProcess for producing 16-substituted prostaglandin es.TEIJIN LTD·Filed 1986·Granted Jun 20, 1989·4 cites·1 claims
- 2454US4133801AProcess for the preparation of polyestersTEIJIN LTD·Filed 1978·Granted Jan 9, 1979·10 cites·7 claims
- 2553US4383996ADerivative of thiazolo[3,2-a]pyrimidine and a process for the preparation thereof and a drug containing itTEIJIN LTD·Filed 1980·Granted May 17, 1983·3 cites·6 claims
- 2652US11952344B2Heterocyclic compound and use thereofTAKEDA PHARMACEUTICALS CO·Filed 2020·Granted Apr 9, 2024·0 cites·5 claims
- 2752US4421914AThiazolo[3,2-a]pyrimidines, derivatives thereof, processes for production thereof, and pharmaceutical use thereofTEIJIN LTD·Filed 1981·Granted Dec 20, 1983·3 cites·2 claims
- 2851US4009196A2-Acyl-3-substituted cyclopentan-1-ones and process for their preparationTEIJIN LTD·Filed 1975·Granted Feb 22, 1977·3 cites·11 claims
- 2950US4888422AProcess for producing dimethylaminomethyl copper phthalocyanine and/or its derivativesDAINIPPON INK & CHEMICALS·Filed 1988·Granted Dec 19, 1989·3 cites·5 claims
- 3050US4638845AProcess for making foundry moldsKOMATSU MFG CO LTD·Filed 1985·Granted Jan 27, 1987·8 cites·12 claims
- 3150US2011009421A1Compound having 6-membered aromatic ringTAKEDA PHARMACEUTICAL·Filed 2009·Application pending·0 cites
- 3249USRE38921EPhenoxyalkylcarboxylic acid derivatives and process for their preparationsKYORIN SEIYAKU KK·Filed 2003·Granted Dec 13, 2005·0 cites·2 claims
- 3345US5472818APolymer particles and process for producing the sameTOYO BOSEKI·Filed 1994·Granted Dec 5, 1995·5 cites·17 claims
- 3445US5159102A7-thiaprostaglandins E, and process for producing sameTEIJIN LTD·Filed 1990·Granted Oct 27, 1992·3 cites·3 claims
- 3544US5329035AProcess for producing 2,3-disubstituted-4-substituted cyclopentanones, enantiomorphs, or mixtures thereofTEIJIN LTD·Filed 1993·Granted Jul 12, 1994·3 cites·18 claims
- 3644US5283349A2,6,7-trisubstituted-3-methylenebicyclo(3.3.0)-octanes, and process for production thereofTEIJIN LTD·Filed 1986·Granted Feb 1, 1994·2 cites·21 claims
- 3737US5023364APhenoxyalkylcarboxylic acid derivatives and process for their preparationKYORIN SEIYAKU KK·Filed 1989·Granted Jun 11, 1991·1 cites·6 claims
- 3836US5532408Aα-chain-modified isocarbacyclins and process for the production thereofTEIJIN LTD·Filed 1993·Granted Jul 2, 1996·1 cites·4 claims
- 3935US4233309ANovel 1-substituted-3-acylpyrrole derivatives, platelet aggregation inhibitors containing them, as active ingredients, and processes for production of said derivativesTEIJIN LTD·Filed 1978·Granted Nov 11, 1980·0 cites·3 claims
- 4034US8614208B2Fused heterocyclic ring derivative and use thereofBANNO HIROSHI·Filed 2010·Granted Dec 24, 2013·0 cites·16 claims
- 4134US4921995AProcess for producing 16-substituted prostaglandinesTEIJIN LTD·Filed 1988·Granted May 1, 1990·0 cites·1 claims
- 4232US5952211AMethod for producing active human alanine aminotransferaseORIENTAL YEAST CO LTD·Filed 1997·Granted Sep 14, 1999·2 cites·9 claims
- 4331US5364883AIsocarbocyclins for the treatment of liver and kidney diseasesTEIJIN LTD·Filed 1993·Granted Nov 15, 1994·2 cites·10 claims
- 4431US4139717A1,3-Dicarbonyl compoundsTEIJIN LTD·Filed 1977·Granted Feb 13, 1979·0 cites·2 claims
- 4530US5356805AGamma-polyglutamate hydrolaseMEIJI SEIKA KAISHA·Filed 1993·Granted Oct 18, 1994·1 cites·1 claims
- 4630US5175338AIsocarbacyclin derivatives and their pharmaceutically acceptable salts thereofTEIJIN LTD·Filed 1990·Granted Dec 29, 1992·0 cites·9 claims
- 4730US4937265AAntidiabetic method comprising 7-thiaprostaglandin E1 or its derivativesTEIJIN LTD·Filed 1988·Granted Jun 26, 1990·1 cites·9 claims
- 4830US4797506A6-substituted prostaglandins E1 and process for producing sameTEIJIN LTD·Filed 1985·Granted Jan 10, 1989·0 cites·4 claims
- 4930US4001308AProcess for the preparation of 1,4-diacetoxycyclopent-2-eneTEIJIN LTD·Filed 1974·Granted Jan 4, 1977·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →