Inventor · disambiguated record
Masayoshi Murata
Also filed as: MURATA MASAYOSHI
44 granted patents·563 citations·filing 1979–2001
98Inventor score
Top patents by PatentIndex Score
44 records- 0196US4725600APyrimidine compounds having activity as a cardiotonic anti-hypertensive cerebrovascular vasodilator and anti-platelet aggregation agentFUJISAWA PHARMACEUTICAL CO·Filed 1985·Granted Feb 16, 1988·62 cites·18 claims
- 0295US4427677ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Jan 24, 1984·40 cites·6 claims
- 0391US4921852A3-pyrrolidinylthio-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1987·Granted May 1, 1990·28 cites·12 claims
- 0490US4824851APyrimidones as cardiotonic, anti hypertensive, cerebrovascular vasodilator and anti-platelet agentsFUJISAWA PHARMACEUTICAL CO·Filed 1988·Granted Apr 25, 1989·23 cites·7 claims
- 0590US4438113A7-Acylaminocephalosporanic acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Mar 20, 1984·17 cites·17 claims
- 0689US4405617A3-(Propynyltetrazol)thiomethyl-3-cephemsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Sep 20, 1983·18 cites·12 claims
- 0785US5102877A1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Apr 7, 1992·36 cites·9 claims
- 0884US4443444ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Apr 17, 1984·15 cites·14 claims
- 0983US4596829A7-acylaminocephalosporanic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1984·Granted Jun 24, 1986·10 cites·12 claims
- 1083US4416879ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Nov 22, 1983·21 cites·21 claims
- 1180US4963544A3-pyrrolidinylthio-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1989·Granted Oct 16, 1990·29 cites·10 claims
- 1280US4822787A3-pyrrolidinylthio-1-azabicyclo(3.2.0)-hept-2-ene-2-carboxylic acid compounds and antimicrobial activity thereofFUJISAWA PHARMACEUTICAL CO·Filed 1987·Granted Apr 18, 1989·22 cites·12 claims
- 1380US4367228ACephem compound and compositionFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Jan 4, 1983·18 cites·2 claims
- 1479US4963543A3-pyrolidinylthio-1-azabicyclo-[3.2.0]hept-2-ene-2-carboxylic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1987·Granted Oct 16, 1990·21 cites·19 claims
- 1577US5286721A1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1991·Granted Feb 15, 1994·20 cites·9 claims
- 1677US4420477ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Dec 13, 1983·17 cites·23 claims
- 1776US4923857A3-Alkenyl-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1989·Granted May 8, 1990·18 cites·8 claims
- 1875US4394384AAminothiazole cycloalkenyloxyimino acetamido cephem derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Jul 19, 1983·17 cites·11 claims
- 1974US5215983ACarbapenem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Jun 1, 1993·30 cites·10 claims
- 2073US5194624AIntermediates for the preparation of compounds of antimicrobial activityFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Mar 16, 1993·17 cites·6 claims
- 2170US4612376ASubstituted-3,4-dihydro-4-(2,4,6-trimethoxyphenylimino)-2(1H)-pyrimidones useful as cardiotonic, antihypertensive, cerebrovascular vasodilator and anti-platelet agentFUJISAWA PHARMACEUTICAL CO·Filed 1984·Granted Sep 16, 1986·8 cites·17 claims
- 2267US4582908A1-substituted-5-thiol-tetrazole intermediatesFUJISAWA PHARMACEUTICAL CO·Filed 1984·Granted Apr 15, 1986·4 cites·2 claims
- 2363US5359066ACertain tricyclic pyrido[3,2,1-ij]cinnoline-8-carboxylates, useful as antimicrobial agentsWAKUNAGA PHARMA CO LTD·Filed 1992·Granted Oct 25, 1994·8 cites·4 claims
- 2460US4925838A3-pyrrolidinylthio-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1989·Granted May 15, 1990·9 cites·9 claims
- 2560US4529802ANovel intermediates for preparing new cephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Jul 16, 1985·3 cites·4 claims
- 2657US5608056ASubstituted 3-pyrrolidinylthio-carbapenems as antimicrobial agentsFUJISAWA PHARMACEUTICAL CO·Filed 1993·Granted Mar 4, 1997·12 cites·11 claims
- 2756US4288436A3,7-Disubstituted-3-cephem-4-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Sep 8, 1981·7 cites·7 claims
- 2855US4649142A3,4-dihydro-1,3-disubstituted-6-(substituted phenylimino)-2(1H)-pyrimidinone useful as cardiotonic agent and anti-allergic agentFUJISAWA PHARMACEUTICAL CO·Filed 1985·Granted Mar 10, 1987·4 cites·6 claims
- 2952US4925948A2 amino 5 chloro thiazol-4-yl cycloalkenoxy imino acetic derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1986·Granted May 15, 1990·2 cites·2 claims
- 3051US5138064A3-Pyrrolidinylthio-1-azabicyclo-[3.2.0]hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Aug 11, 1992·3 cites·5 claims
- 3151US4983596A3-pyrrolidinylthio-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acid derivatives and their preparationFUJISAWA PHARMACEUTICAL CO·Filed 1989·Granted Jan 8, 1991·5 cites·10 claims
- 3248US5241064AEnzymatic process for preparing optically active 3-substituted azetidinonesFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Aug 31, 1993·6 cites·4 claims
- 3344US5306816AProcesses for preparing carbapenem derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1992·Granted Apr 26, 1994·2 cites·4 claims
- 3442US4746664ASubstituted-3,4-dihydro-4-(2,4,6-trimethoxyphenylimino)-2(1H)-pyrimidones useful as cardiotonic, antihypertensive, cerebrovascular vasodilator and anti-platelet agentFUJISAWA PHARMACEUTICAL CO·Filed 1986·Granted May 24, 1988·2 cites·6 claims
- 3540US4533738ANew cephem compounds and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Aug 6, 1985·1 cites·6 claims
- 3639US6826033B2Aminoalcohol derivativesFUJISAWA PHARMACEUTICAL CO·Filed 2001·Granted Nov 30, 2004·0 cites·9 claims
- 3739US5061804A3-pyrrolidinylthio-1-azabicyclo-(3.2.0)hept-2-ene-2-carboxylic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Oct 29, 1991·3 cites·4 claims
- 3838US5081237A3-alkenyl-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Jan 14, 1992·2 cites·4 claims
- 3937US4563450ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Jan 7, 1986·0 cites·19 claims
- 4036US5202437A3-pyrrolidinylthio-1-azabicyclo(3.2.0)-hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Apr 13, 1993·1 cites·5 claims
- 4136US4411898A7-[2-Oxyimino-2-(2-aminothiazol-4-yl)acetamido]-3-(1-carboxyalkyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Oct 25, 1983·0 cites·16 claims
- 4235US5420122A3-pyrrolidinylthio-1-azabicyclo-[3.2.0]hept-2-ene-2-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1992·Granted May 30, 1995·0 cites·17 claims
- 4335US4493834ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Jan 15, 1985·1 cites·10 claims
- 4434US6207686B1Endothelin antagonistsFUJISAWA PHARMACEUTICAL CO·Filed 1995·Granted Mar 27, 2001·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →