Inventor · disambiguated record
Kiyoshi Watanabe
Also filed as: WATANABE KIYOSHI
55 granted patents·859 citations·filing 1975–2008
99Inventor score
Top patents by PatentIndex Score
55 records- 0195US4971996AHydroxystyrene compounds which are useful as tyrosine kinase inhibitorsKANEGAFUCHI CHEMICAL IND·Filed 1988·Granted Nov 20, 1990·66 cites·3 claims
- 0294US4595752AProcess for preparing 5,6,7,8-tetrahydro-6-(L-erythro-1',2'-dihydroxypropyl)pterinKANEGAFUCHI CHEMICAL IND·Filed 1985·Granted Jun 17, 1986·52 cites·17 claims
- 0393US4983602A3'-hydroxybenzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the sameKANEGAFUCHI CHEMICAL IND·Filed 1989·Granted Jan 8, 1991·60 cites·9 claims
- 0491US5089516A1-phenyl-3,5-pyrazolidinedione hydroxystyrene compounds which have tyrosine kinase inhibiting activityKANEGAFUCHI CHEMICAL IND·Filed 1990·Granted Feb 18, 1992·58 cites·2 claims
- 0591US4859661AAlkyl-substituted benzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the sameKANEGAFUCHI CHEMICAL IND·Filed 1987·Granted Aug 22, 1989·35 cites·4 claims
- 0690US5057538AHydroxystyrene compounds which have useful pharmaceutical utilityKANEGAFUCHI CHEMICAL IND·Filed 1990·Granted Oct 15, 1991·53 cites·1 claims
- 0790US4690919ABenzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the sameKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Sep 1, 1987·37 cites·30 claims
- 0889US5202341AHydroxystyrene compounds having tyrosine kinase inhibiting activityKANEGAFUCHI CHEMICAL IND·Filed 1991·Granted Apr 13, 1993·45 cites·3 claims
- 0988US4411991AProcess for fermentative production of amino acidsKANEGAFUCHI CHEMICAL IND·Filed 1981·Granted Oct 25, 1983·62 cites·18 claims
- 1082US4431656A3,5-di-Tert-butylstyrene derivatives, salts thereof, and pharmaceutical compositions containing the same as an active ingredientKANEGAFUCHI CHEMICAL IND·Filed 1982·Granted Feb 14, 1984·13 cites·28 claims
- 1182US4001223AAdamantane-piperazine derivativesIDEMITSU KOSAN CO·Filed 1975·Granted Jan 4, 1977·14 cites·5 claims
- 1281US4369177AStable composition of S-adenosyl-L-methionineKANEGAFUCHI CHEMICAL IND·Filed 1980·Granted Jan 18, 1983·29 cites·12 claims
- 1380US4649197ASulfate of 5,6,7,8-tetrahydro-L-erythro-biopterin and process for preparing the sameKANEGAFUCHI CHEMICAL IND·Filed 1985·Granted Mar 10, 1987·30 cites·10 claims
- 1479US4925969AProcess for preparing ethyl-alpha-amino-gamma-oxo-gamma-phenybutyrate derivativesKANEGAFUCHI CHEMICAL IND·Filed 1989·Granted May 15, 1990·15 cites·14 claims
- 1579US4853403A3-phenylthiomethylstyrene derivative, process for preparing the same, and antiallergic agent and tyrosinekinase inhibiting agent containing the sameKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Aug 1, 1989·29 cites·34 claims
- 1679US4440784AAnti-inflammatory, analgesic, and antipyretic pharmaceutical compositionKANEGAFUCHI CHEMICAL IND·Filed 1982·Granted Apr 3, 1984·14 cites·4 claims
- 1778US7494962B2Solvents containing cycloakyl alkyl ethers and process for production of the ethersZEON CORP·Filed 2002·Granted Feb 24, 2009·11 cites·13 claims
- 1878US4965261ASubstituted benzoxazinorifamycin derivative and antibacterial agent containing the sameKANEGAFUCHI CHEMICAL IND·Filed 1989·Granted Oct 23, 1990·15 cites·7 claims
- 1976US4371699AProcess for preparation of optically active N-mercaptoalkanoylamino acidsKANEGAFUCHI CHEMICAL IND·Filed 1980·Granted Feb 1, 1983·10 cites·17 claims
- 2074US8017813B2Process for production of cycloalkyl alkyl ethersZEON CORP·Filed 2008·Granted Sep 13, 2011·4 cites·6 claims
- 2171US4898822AProcess for preparing optically active indoline-2-carboxylic acidKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Feb 6, 1990·34 cites·9 claims
- 2269US4857468AProcess for preparing optically active 2-halo-1-phenyl ethanolKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Aug 15, 1989·15 cites·4 claims
- 2366US4259319AAntibiotic auromomycin, and process for production thereofKANEGAFUCHI CHEMICAL IND·Filed 1978·Granted Mar 31, 1981·9 cites·1 claims
- 2464US4447362AProcess for the production of coenzyme QKANEGAFUCHI CHEMICAL IND·Filed 1977·Granted May 8, 1984·11 cites·4 claims
- 2561US4814506AProcess for preparing 3 halogeno-2-hydroxypropyltrimethylammonium halideKANEGAFUCHI CHEMICAL IND·Filed 1987·Granted Mar 21, 1989·7 cites·4 claims
- 2658US4716235AProcess for preparing N-[1(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanyl-L-prolineKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Dec 29, 1987·12 cites·6 claims
- 2757US4745066AMethod for producing optically active glycol derivativesKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted May 17, 1988·8 cites·10 claims
- 2856US4384139AProcess for preparation of an optically active β-mercaptoalkanoic acidKANEGAFUCHI CHEMICAL IND·Filed 1981·Granted May 17, 1983·5 cites·18 claims
- 2955US4625042AProcess for preparing 6-fluoro-4-chromanone using 3-(4-fluorophenoxy)propionitrileKANEGAFUCHI CHEMICAL IND·Filed 1985·Granted Nov 25, 1986·4 cites·6 claims
- 3055US4588694AProcess for production of optically active oxazolidinone derivativeKANEGAFUCHI CHEMICAL IND·Filed 1983·Granted May 13, 1986·9 cites·23 claims
- 3154US4970161AHuman interferon-gammaKANEGAFUCHI CHEMICAL IND·Filed 1988·Granted Nov 13, 1990·11 cites·4 claims
- 3252US4791198ABeta-lactam compound and preparation thereofKANEGAFUCHI CHEMICAL IND·Filed 1987·Granted Dec 13, 1988·3 cites·3 claims
- 3351US5017484AProcess for preparing 3-chloro-1,2-propanediolKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted May 21, 1991·6 cites·6 claims
- 3451US4415657AProcess for preparation of an optically active monoalkyl ester of β-(S)-aminoglutaric acidKANEGAFUCHI CHEMICAL IND·Filed 1981·Granted Nov 15, 1983·13 cites·15 claims
- 3550US5061817AEnolsilyl ether compoundKANEGAFUCHI CHEMICAL IND·Filed 1988·Granted Oct 29, 1991·3 cites·3 claims
- 3650US4074864AMethod for producing polycarbonate powder from a polycarbonate solutionIDEMITSU KOSAN CO·Filed 1977·Granted Feb 21, 1978·17 cites·8 claims
- 3748US4812406AProcess for preparing optically active hydantoinsKANEGAFUCHI CHEMICAL IND·Filed 1985·Granted Mar 14, 1989·5 cites·16 claims
- 3845US5003083AProcess for preparing optically active cyano compoundKANEGAFUCHI CHEMICAL IND·Filed 1987·Granted Mar 26, 1991·2 cites·7 claims
- 3945US4861877AProcess for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivativesKANEGAFUCHI CHEMICAL IND·Filed 1987·Granted Aug 29, 1989·3 cites·12 claims
- 4045US4460780AProcess for preparation of optically active thiol compoundsKANEGAFUCHI CHEMICAL IND·Filed 1983·Granted Jul 17, 1984·2 cites·5 claims
- 4142US5084584AProcess for producing an α-acyloxy-α,β-unsaturated carbonyl compound and a 20-acyloxy-17(20)-methylen-21-al-steroid compoundNIPPON ZEON CO·Filed 1990·Granted Jan 28, 1992·2 cites·6 claims
- 4239US4786723A7-hydroxyguanine compounds, process for preparing said compounds, and anti-tumor agent containing the sameKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Nov 22, 1988·3 cites·4 claims
- 4338US4914200AProcess for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivativesKANEGAFUCHI CHEMICAL IND·Filed 1989·Granted Apr 3, 1990·1 cites·10 claims
- 4437US4748176A7-hydroxyguanine compoundsKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted May 31, 1988·2 cites·4 claims
- 4536US4760162AInorganic acid salt of N-(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanylchloride and process for preparing the sameKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Jul 26, 1988·1 cites·2 claims
- 4636US4310635AFermentative production of D(-)-β-hydroxyisobutyric acidKANEGAFUCHI CHEMICAL IND·Filed 1980·Granted Jan 12, 1982·5 cites·13 claims
- 4736US4194065AProcess for producing coenzyme QKANEGAFUCHI CHEMICAL IND·Filed 1977·Granted Mar 18, 1980·2 cites·12 claims
- 4835US4914199AProcess for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivativesKANEGAFUCHI CHEMICAL IND·Filed 1988·Granted Apr 3, 1990·1 cites·20 claims
- 4933US4988624ALymphotoxin DNA, lymphotoxin expression vectorKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Jan 29, 1991·2 cites·7 claims
- 5033US4863859AProcess for preparing optically active glycerol derivativesKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Sep 5, 1989·1 cites·2 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kiyoshi Watanabe files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →