Inventor · disambiguated record
Takashi Masugi
Also filed as: MASUGI TAKASHI · OGINO TAKASHI
51 granted patents·834 citations·filing 1975–1992
99Inventor score
Files withFUJISAWA PHARMACEUTICAL CO51
Top patents by PatentIndex Score
51 records- 0199US4166115ASyn 7-oxoimino substituted derivatives of cephalosporanic acidFUJISAWA PHARMACEUTICAL CO·Filed 1977·Granted Aug 28, 1979·69 cites·5 claims
- 0298US4559334A7-Substituted-3-vinyl-3-cephem compounds and processes for production of the sameFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Dec 17, 1985·89 cites·20 claims
- 0398US4409214A7-Acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Oct 11, 1983·84 cites·12 claims
- 0497US4487767A7-[Amino or carboxy substituted oxyimino]-3-[amino or alkoxy substituted heterocyclic thiomethyl] cephalosporin derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Dec 11, 1984·39 cites·16 claims
- 0597US4409215A7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Oct 11, 1983·35 cites·6 claims
- 0697US4366153ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Dec 28, 1982·43 cites·3 claims
- 0797US4341775ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Jul 27, 1982·37 cites·3 claims
- 0896US4462999A7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Jul 31, 1984·30 cites·5 claims
- 0996US4220761A7-[Substituted oximinoacetamido]-3-[hydroxy alkyltetrazolo]cephalosporin derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Sep 2, 1980·37 cites·8 claims
- 1095US4298529AAlkoxyimino dioxy butyric acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Nov 3, 1981·26 cites·7 claims
- 1193US4423213A7-Acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Dec 27, 1983·33 cites·9 claims
- 1291US4585860A7-acylamino-3-vinylcephalosporanic acid derivatives useful for treatment of infectious diseases in human beings and animalsFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Apr 29, 1986·25 cites·13 claims
- 1390US4279818ASyn-isomers of 7-[2-alkoxyimino-2-(2-amino-thiazol-4-yl)acetamido]-3-[nitrobenzoyl-, or benzoyl-oxymethyl]-3-cephem-4-carboxylic acidFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Jul 21, 1981·12 cites·4 claims
- 1490US4254260A3-Substituted-7-substituted alkanamido-3-cephem-4-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1976·Granted Mar 3, 1981·32 cites·8 claims
- 1589US4363807ACepham compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Dec 14, 1982·17 cites·9 claims
- 1689US4246405AMethod for preparation of β-lactam compoundFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Jan 20, 1981·19 cites·11 claims
- 1787US4705851AProcess for the preparation of 3-phosphoniummethyl-3-cephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1984·Granted Nov 10, 1987·21 cites·2 claims
- 1886US4584290ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Apr 22, 1986·26 cites·6 claims
- 1986US4487768ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Dec 11, 1984·16 cites·3 claims
- 2085US4304770ASyn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Dec 8, 1981·12 cites·4 claims
- 2182US4487927A3-Phosphonium and 3-phosphoranylidenecephemsFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Dec 11, 1984·13 cites·3 claims
- 2282US4354022AProcess for preparing 3-methylenecepham compounds or a salt thereofFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Oct 12, 1982·13 cites·8 claims
- 2381US4904652A7-acylamino-3-substituted cephalosporanic acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1985·Granted Feb 27, 1990·10 cites·3 claims
- 2479US4143166A7[(2-Hydroxyamino-2-disubstituted phenyl-acetamido)-]3-heterocyclicthio-3-cephem-4-carboxylic acidsFUJISAWA PHARMACEUTICAL CO·Filed 1976·Granted Mar 6, 1979·11 cites·37 claims
- 2577US5026695A7-acylamino-3-substituted cephalosporanic acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Jun 25, 1991·11 cites·9 claims
- 2677US4609730A7-[substituted imino-2-(2-aminothiazol-4-yl)-acetamido]-3(2,2-dihalovinyl or ethynyl)-3-cephem-4-carboxylic acid (syn isomers), having antimicrobial activitiesFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Sep 2, 1986·15 cites·17 claims
- 2777US4316019APreparation of syn-isomer of 3-alkanoyloxymethyl-7-(2-alkoxyimino-2-thiazolylacetamido-3-cephem-4-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Feb 16, 1982·5 cites·3 claims
- 2872US4331664ASyn isomer of 7-[2-cyclo(lower) alkoxyimino-2-(2-amino-or substituted aminothiazol-4-yl)acetamido]-3-lower alkanoyloxymethyl or heterocyclicthiomethyl-3-cephem-4-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted May 25, 1982·7 cites·4 claims
- 2968US4731443A7-acylamino-3-vinylcephalosporanic acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1986·Granted Mar 15, 1988·7 cites·4 claims
- 3065US4804752ASyn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Feb 14, 1989·5 cites·1 claims
- 3162US4364943ASyn-isomer of 7-[2-alkoxyimino-2-(2-amino-alkanoylamino-or haloalkanoylamino-thiazol-4-yl) acetamids]-3-[hexanoyl-, or phenylalkanoyl-oxymethyl or benzothiazolylthiomethyl]-3-cephem-4-carboxylic acidFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Dec 21, 1982·4 cites·8 claims
- 3258US4871860ASyn-isomer of 3,7-disubstituted-3-cephem-4-caroxylic acid compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1984·Granted Oct 3, 1989·3 cites·15 claims
- 3358US4242510ACephalosporin compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Dec 30, 1980·3 cites·21 claims
- 3454US5079369ASyn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1989·Granted Jan 7, 1992·3 cites·3 claims
- 3553US5110921A7-acylamino-3-vinylcephalosporanic acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted May 5, 1992·5 cites·3 claims
- 3653US4877873ASyn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Oct 31, 1989·1 cites·2 claims
- 3752US4544653ASyn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Oct 1, 1985·1 cites·13 claims
- 3852US4371531ACephalosporin compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Feb 1, 1983·2 cites·30 claims
- 3951US5252731ACephalosporin intermediatesFUJISAWA PHARMACEUTICAL CO·Filed 1992·Granted Oct 12, 1993·3 cites·3 claims
- 4050US4594446A2-alkoxyimino-3,3-dialkoxy-butyrates and derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1985·Granted Jun 10, 1986·2 cites·4 claims
- 4150US4493833ASyn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Jan 15, 1985·2 cites·7 claims
- 4246US4960889A7-acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Oct 2, 1990·3 cites·1 claims
- 4343US4431643ASyn-isomer of 3-substituted-7-[2-cyclopentyloxyimino-2-(2-aminothiazol-4-yl)-acetamido]-3FUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Feb 14, 1984·1 cites·5 claims
- 4441US4379922ACepham compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Apr 12, 1983·1 cites·4 claims
- 4537US4719206ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1986·Granted Jan 12, 1988·1 cites·6 claims
- 4637US4518774A3-Cephem intermediatesFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted May 21, 1985·0 cites·7 claims
- 4737US4500709AThiinyl and oxothiolyl derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Feb 19, 1985·0 cites·13 claims
- 4837US4254117A7-(α,α-Disubstituted-acetemido)-3-substituted-3-cephem-4-carboxylic acidsFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Mar 3, 1981·0 cites·9 claims
- 4936US5594132A7-acylamino-3-substituted cephalosporanic acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1991·Granted Jan 14, 1997·0 cites·5 claims
- 5034US4016160A7-Dihaloalkanamido-3-heterocyclic-thiomethyl-3-cephem-4-carboxylic acidsFUJISAWA PHARMACEUTICAL CO·Filed 1975·Granted Apr 5, 1977·0 cites·10 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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