Inventor · disambiguated record
Osamu Nakaguti
Also filed as: KOMORI TADAAKI · NAKAGUTI OSAMU · OKU TERUO
27 granted patents·475 citations·filing 1973–1987
97Inventor score
Files withFUJISAWA PHARMACEUTICAL CO27
Top patents by PatentIndex Score
27 records- 0197US4576753AAzetidinone compounds and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1984·Granted Mar 18, 1986·73 cites·3 claims
- 0296US4940709APiperazine compound as PAF-antagonistFUJISAWA PHARMACEUTICAL CO·Filed 1987·Granted Jul 10, 1990·67 cites·1 claims
- 0396US4304718A2-Azetidinone compounds and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Dec 8, 1981·45 cites·4 claims
- 0495US4806538APiperazine compound as PAF-antagonistFUJISAWA PHARMACEUTICAL CO·Filed 1987·Granted Feb 21, 1989·52 cites·16 claims
- 0595US4472309A2-Azetidinone compounds and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Sep 18, 1984·40 cites·4 claims
- 0693US4207234A4-Unsubstituted azetidinone derivatives and process for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1977·Granted Jun 10, 1980·29 cites·4 claims
- 0791US4181800A2-Azetidinone compounds and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1976·Granted Jan 1, 1980·27 cites·35 claims
- 0891US3954732APenam and cepham derivatives and preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1973·Granted May 4, 1976·18 cites·19 claims
- 0990US4694004ASemicarbazide derivatives, processes for preparation thereof and pharmaceutical composition comprising the sameFUJISAWA PHARMACEUTICAL CO·Filed 1985·Granted Sep 15, 1987·33 cites·13 claims
- 1085US3993646AProcess for the ring expansion of penicillins to cephalosporin compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1974·Granted Nov 23, 1976·10 cites·17 claims
- 1184US4218374APenam derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Aug 19, 1980·11 cites·4 claims
- 1282US4009159AHalogenated penam derivatives and the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1973·Granted Feb 22, 1977·8 cites·18 claims
- 1375US4164497A2-Substituted penam derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Aug 14, 1979·7 cites·12 claims
- 1474US4084049ACepham derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1976·Granted Apr 11, 1978·7 cites·11 claims
- 1572US4191762A2-Lower alkyl-7-substituted amino-2 or 3-cephem-4-carboxylic acid compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1977·Granted Mar 4, 1980·6 cites·13 claims
- 1670US4113940A7-amino 2-lower alkyl-2 or 3-cephem-4-carboxylic acid derivatives and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1975·Granted Sep 12, 1978·6 cites·5 claims
- 1770US4001280AChromone derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1973·Granted Jan 4, 1977·7 cites·4 claims
- 1869US4203897APenam derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted May 20, 1980·5 cites·4 claims
- 1968US4056521APenam and cepham derivatives and preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1976·Granted Nov 1, 1977·4 cites·6 claims
- 2063US4036847AHalogenated penam derivatives and the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1976·Granted Jul 19, 1977·2 cites·3 claims
- 2161US4410458AProcess for providing an oxidized penamFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Oct 18, 1983·3 cites·23 claims
- 2261US4091210APreparation of 3-alkyl-3-cephem-4-carboxylic acid compounds from dithio isopropenyl azetidine carboxylic compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1976·Granted May 23, 1978·4 cites·4 claims
- 2352US4237305ASubstituted phenylacetic acid compounds and process for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1977·Granted Dec 2, 1980·2 cites·7 claims
- 2450US4267340ADisulfide substituted oxazetidine derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1977·Granted May 12, 1981·2 cites·13 claims
- 2547US4308380A2-Lower alkyl-2 or 3-cephem-4-carboxylic acid derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Dec 29, 1981·6 cites·26 claims
- 2643US4472300AAzetidinone derivatives and process for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Sep 18, 1984·1 cites·1 claims
- 2732US4264498AProcess for the preparation of 1,3-disubstituted-2-azetidinones from triazinesFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Apr 28, 1981·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →