Inventor · disambiguated record
Susumu Nakagawa
Also filed as: NAKAGAWA SUSUMU
46 granted patents·318 citations·filing 1975–1999
98Inventor score
Top patents by PatentIndex Score
46 records- 0196US4201860APurine derivativesBRISTOL MYERS CO·Filed 1979·Granted May 6, 1980·53 cites·2 claims
- 0286US5707987ACarbapenem derivativesBANYU PHARMA CO LTD·Filed 1995·Granted Jan 13, 1998·46 cites·30 claims
- 0385US4232155APurine compoundsBRISTOL MYERS CO·Filed 1979·Granted Nov 4, 1980·13 cites·5 claims
- 0484US4172829A2,9-Disubstituted adenine derivatives and their use as non-adrenergic bronchodilatorsBRISTOL MYERS CO·Filed 1978·Granted Oct 30, 1979·12 cites·24 claims
- 0581US4677100ACephalosporin derivativesBANYU PHARMA CO LTD·Filed 1985·Granted Jun 30, 1987·16 cites·8 claims
- 0680US5231183AProcess for producing enyne derivativesBANYU PHARMA CO LTD·Filed 1992·Granted Jul 27, 1993·13 cites·3 claims
- 0780US4958029AProcess for the production of isoindoline derivatives, novel intermediates and process for their productionBANYU PHARMA CO LTD·Filed 1988·Granted Sep 18, 1990·16 cites·9 claims
- 0880US4241063APurine derivatives and their use as bronchodilatorsBRISTOL MYERS CO·Filed 1979·Granted Dec 23, 1980·16 cites·7 claims
- 0979US4782155ACephalosporin derivatives, processes for their preparation and antibacterial agentsBANYU PHARMA CO LTD·Filed 1987·Granted Nov 1, 1988·13 cites·4 claims
- 1073US5296612AProcess for producing enyne derivativesBANYU PHARMA CO LTD·Filed 1992·Granted Mar 22, 1994·9 cites·3 claims
- 1173US4742053A3-Isoquinoliniomethyl cephalosporin derivativesBANYU PHARMA CO LTD·Filed 1985·Granted May 3, 1988·13 cites·6 claims
- 1266US5258509AProcess for producing 2-carbon-substituted carbapenem derivativesBANYU PHARMA CO LTD·Filed 1992·Granted Nov 2, 1993·9 cites·16 claims
- 1366US5112818A2-(2-cyclopropylpyrrolidin-4-ylthio)carbapenhem derivativesBANYU PHARMA CO LTD·Filed 1990·Granted May 12, 1992·9 cites·8 claims
- 1464US4181797A1-N-(ω-amino-α-hydroxyalkanoyl) derivatives of 4'-deoxy-6'-N-methylkanamycin ABRISTOL MYERS CO·Filed 1978·Granted Jan 1, 1980·7 cites·5 claims
- 1557US5436354AIntermediates for producing enyne derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Jul 25, 1995·3 cites·2 claims
- 1657US4959469ACrystalline cephalosporin compoundsBANYU PHARMA CO LTD·Filed 1989·Granted Sep 25, 1990·4 cites·3 claims
- 1757US4914227ACertain intermediate 3-carbamoyloxyalkyl propiolic acid derivativesBANYU PHARMACEUTICAL COMPANY L·Filed 1986·Granted Apr 3, 1990·4 cites·7 claims
- 1857US3960833AButirosin A 3",5"-O-isopropylidene derivativesBRISTOL MYERS CO·Filed 1975·Granted Jun 1, 1976·6 cites·2 claims
- 1954US5084453A1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivativesBANYU PHARMA CO LTD·Filed 1987·Granted Jan 28, 1992·4 cites·8 claims
- 2054US4743609AIndole derivatives having gastric and antisecretory and cytoprotective properties, and pharmaceutical preparations containing sameBANYU PHARMA CO LTD·Filed 1986·Granted May 10, 1988·4 cites·29 claims
- 2153US4880797ACephalosporin derivatives and antibacterial agentsBANYU PHARMA CO LTD·Filed 1987·Granted Nov 14, 1989·3 cites·8 claims
- 2251US4918070ACephalosporin derivatives and antibacterial agentsBANYU PHARMA CO LTD·Filed 1988·Granted Apr 17, 1990·3 cites·4 claims
- 2348US5550121AAminoalkylpyrrolidinylthiocarbapenem derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Aug 27, 1996·7 cites·21 claims
- 2447US5403835ACephalosporin derivativesBANYU PHARMA CO LTD·Filed 1989·Granted Apr 4, 1995·2 cites·2 claims
- 2546US5061794ACephalosporin derivatives, and antibacterial agentsBANYU PHARMA CO LTD·Filed 1989·Granted Oct 29, 1991·2 cites·8 claims
- 2644US5359091AIntermediates for producing enyne derivativesBANYU PHARMA CO LTD·Filed 1993·Granted Oct 25, 1994·1 cites·1 claims
- 2743US5438054A2-(substituted pyrrolidinylthio) carbapenem derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Aug 1, 1995·2 cites·19 claims
- 2843US5373002A2-(substituted pyrrolidinylthio) carbapenem derivativesBANYU PHARMA CO LTD·Filed 1992·Granted Dec 13, 1994·2 cites·13 claims
- 2942US5440049AProcess for producing enyne derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Aug 8, 1995·1 cites·2 claims
- 3042US4883868A7-amino-3-(substituted isoindolinium)methyl-3-cephem derivativesBANYU PHARMA CO LTD·Filed 1987·Granted Nov 28, 1989·4 cites·10 claims
- 3141US6251891B1Carbapenem derivativesBANYU PHARMA CO LTD·Filed 1999·Granted Jun 26, 2001·3 cites·3 claims
- 3241US5049665ACephalosporin derivativesBANYU PHARMA CO LTD·Filed 1989·Granted Sep 17, 1991·1 cites·2 claims
- 3340US5407930ACephalosporin derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Apr 18, 1995·1 cites·7 claims
- 3440US5068322ACrystalline cephalosporin compoundsBANYU PHARMA CO LTD·Filed 1990·Granted Nov 26, 1991·1 cites·1 claims
- 3540US4988687ACephalosporin derivatives, and antibacterial agentsBANYU PHARMACEUTICAL COMPANY L·Filed 1989·Granted Jan 29, 1991·1 cites·6 claims
- 3639US5100888ACyclic amidinylthiocarbapenem derivativesBANYU PHARMA CO LTD·Filed 1990·Granted Mar 31, 1992·3 cites·6 claims
- 3739US4958024AProcess for preparing 2-carbamoyloxyalkyl-1,4-dihydropyridine derivativesBANYU PHARMACEUTICAL COMPANY L·Filed 1988·Granted Sep 18, 1990·1 cites·5 claims
- 3838US5153188APiperidylthiocarbapenem derivativesBANYU PHARMA CO LTD·Filed 1990·Granted Oct 6, 1992·1 cites·9 claims
- 3938US5095013A2-(2-vinylpyrrolidinylthio)carbapenem derivativesBANYU PHARMA CO LTD·Filed 1990·Granted Mar 10, 1992·1 cites·11 claims
- 4037US5374720A2-(substituted pyrrolidinylthio)carbapenem derivativesBANYU PHARMA CO LTD·Filed 1991·Granted Dec 20, 1994·1 cites·4 claims
- 4135US4814328ACephalosporin derivatives, and antibacterial agentsBANYU PHARMA CO LTD·Filed 1986·Granted Mar 21, 1989·4 cites·12 claims
- 4235US4278675ABronchodilating processBRISTOL MYERS CO·Filed 1979·Granted Jul 14, 1981·1 cites·3 claims
- 4335US4269839AAlkylthio-adenines used as bronchodilatorsBRISTOL MYERS CO·Filed 1979·Granted May 26, 1981·0 cites·3 claims
- 4434US5449672AAlkylaminoalkylpyrrolidinylthiocarbapenem derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Sep 12, 1995·1 cites·5 claims
- 4530US5225406A1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivativesBANYU PHARMA CO LTD·Filed 1991·Granted Jul 6, 1993·1 cites·7 claims
- 4629US4987235AIsoindoline derivatives and processes for their preparationBANYU PHARMA CO LTD·Filed 1988·Granted Jan 22, 1991·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →