Inventor · disambiguated record
Keiji Matsuda
Also filed as: MATSUDA KEIJI
22 granted patents·2 pending applications·270 citations·filing 1983–2003
95Inventor score
Top patents by PatentIndex Score
24 records- 0191US4921852A3-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
- 0283US4493831AAminoglycoside derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Jan 15, 1985·23 cites·18 claims
- 0381US6884868B1Cyclic hexapeptides having antibiotic activityFUJISAWA PHARMACEUTICAL CO·Filed 2000·Granted Apr 26, 2005·20 cites·8 claims
- 0480US4963544A3-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
- 0580US4822787A3-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
- 0679US4963543A3-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
- 0774US5215983ACarbapenem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Jun 1, 1993·30 cites·10 claims
- 0873US5194624AIntermediates for the preparation of compounds of antimicrobial activityFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Mar 16, 1993·17 cites·6 claims
- 0966US4656160AAminoglycoside derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1985·Granted Apr 7, 1987·13 cites·5 claims
- 1064US4554269AKasugamycin derivatives, pharmaceutical compositions and method of useFUJISAWA PHARMACEUTICAL CO·Filed 1984·Granted Nov 19, 1985·9 cites·13 claims
- 1160US6232290B1Cyclic hexapeptides with antimicrobial activityFUJISAWA PHARMACEUTICAL CO·Filed 1999·Granted May 15, 2001·18 cites·9 claims
- 1260US4925838A3-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
- 1357US5608056ASubstituted 3-pyrrolidinylthio-carbapenems as antimicrobial agentsFUJISAWA PHARMACEUTICAL CO·Filed 1993·Granted Mar 4, 1997·12 cites·11 claims
- 1451US5138064A3-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
- 1551US4983596A3-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
- 1644US6884774B2Cyclic hexapeptide derivativesFUJISAWA PHARMACEUTICAL CO·Filed 2001·Granted Apr 26, 2005·0 cites·13 claims
- 1743US4504472A1,4-Diaminocyclitol derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Mar 12, 1985·2 cites·18 claims
- 1841US6331521B1Echinocandine derivatives with antimicrobial activityFUJISAWA PHARMACEUTICAL CO·Filed 1998·Granted Dec 18, 2001·4 cites·15 claims
- 1940US2005181988A1Echinocandin cyclic peptide derivativesFiled 2003·Application pending·0 cites
- 2039US5061804A3-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
- 2137US2005261177A1CompoundTODA AYAKO·Filed 2002·Application pending·0 cites
- 2236US5202437A3-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
- 2335US6150351ACephem compounds and pharmaceutical use thereofFUJISAWA PHARMACEUTICAL CO·Filed 1997·Granted Nov 21, 2000·1 cites·7 claims
- 2435US5420122A3-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
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →