Inventor · disambiguated record
Tsutomu Tsuchiya
Also filed as: TSUCHIYA TSUTOMU · UMEZAWA SUMIO
38 granted patents·185 citations·filing 1973–1999
97Inventor score
Files withMICROBIAL CHEM RES FOUND19ZAIDAN HOJIN BISEIBUTSU12YAMANOUCHI PHARMA CO LTD4MEIJI SEIKA KAISHA2KOWA CO1
Top patents by PatentIndex Score
38 records- 0186US4297485AProduction of a selectively protected N-acylated derivative of an aminoglycosidic antibioticMICROBIAL CHEM RES FOUND·Filed 1979·Granted Oct 27, 1981·24 cites·20 claims
- 0280US4156078AProcess for the synthesis of 3',4'-dideoxykanamycin B and productsMICROBIAL CHEM RES FOUND·Filed 1976·Granted May 22, 1979·15 cites·20 claims
- 0373US4438109ATylosin derivativesMICROBIAL CHEM RES FOUND·Filed 1981·Granted Mar 20, 1984·14 cites·15 claims
- 0470US4008362A1-N-((S)-α-substituted-ω-aminoacyl)-neamine or -ribostamycin and the production thereofMEIJI SEIKA KAISHA·Filed 1973·Granted Feb 15, 1977·12 cites·6 claims
- 0567US4065616AProcesses for production of a 1-N-(α-hydroxy-Φ-amino alkanoyl)-3-deoxy-5-O-pentafuranosyl neamine and new compounds produced by the same processesMICROBIAL CHEM RES FOUND·Filed 1976·Granted Dec 27, 1977·9 cites·2 claims
- 0664US4169939AProcesses for the production of 3',4'-dideoxykanamycin bMICROBIAL CHEM RES FOUND·Filed 1977·Granted Oct 2, 1979·8 cites·4 claims
- 0759US4438107AAminoglycosides and use thereofKOWA CO·Filed 1982·Granted Mar 20, 1984·7 cites·4 claims
- 0858US4794173AMycaminosyl tylonolide derivativesYAMANOUCHI PHARMA CO LTD·Filed 1986·Granted Dec 27, 1988·6 cites·6 claims
- 0958US4104372A1-N-(α-hydroxy-ω-aminoalkanoyl) derivatives of 3'-deoxykanamycin A and the production thereofMICROBIAL CHEM RES FOUND·Filed 1976·Granted Aug 1, 1978·9 cites·7 claims
- 1056US4547492A1-N-(ω-Amino-α-hydroxyalkanoyl-2',3'-dideoxykanamycin A and pharmaceutical composition containing sameMICROBIAL CHEM RES FOUND·Filed 1984·Granted Oct 15, 1985·6 cites·4 claims
- 1156US4477443ATylosin derivatives, their preparation and pharmaceutical compositions containing themMICROBIAL CHEM RES FOUND·Filed 1982·Granted Oct 16, 1984·7 cites·18 claims
- 1255US5719130AAnthracycline derivative having a trifluoromethylated sugarZAIDAN HOJIN BISEIBUTSU·Filed 1995·Granted Feb 17, 1998·4 cites·10 claims
- 1355US5034517AProcess for producing 2,6-dideoxy-2-fluoro-L-talopyranoseZAIDAN HOJIN BISEIBUTSU·Filed 1990·Granted Jul 23, 1991·9 cites·1 claims
- 1454US4873225A1-n-(4-amino-3-fluoro-2-hydroxybutyryl)-kanamycinsMICROBIAL CHEM RES FOUND·Filed 1988·Granted Oct 10, 1989·7 cites·13 claims
- 1550US4125706ANovel process for the preparation of 1-N-(alpha-substituted-omega-aminoacyl)-3'-deoxyribostamycinMICROBIAL CHEM RES FOUND·Filed 1976·Granted Nov 14, 1978·4 cites·7 claims
- 1648US5886167A2'-deoxy-2'-epi-2'-fluorocoformycinZAIDAN HOJIN BISEIBUTSU·Filed 1997·Granted Mar 23, 1999·4 cites·1 claims
- 1747US5801257AAnthracycline derivative having a trifluoromethylated sugarZAIDAN HOJIN BISEIBUTSU·Filed 1997·Granted Sep 1, 1998·4 cites·4 claims
- 1847US5773607AProcesses for preparing 2'-deoxy-2'-fluorocoformycin and stereoisomers thereofZAIDAN HOJIN BISEIBUTSU·Filed 1996·Granted Jun 30, 1998·4 cites·2 claims
- 1945US5831072AProcess for the preparation of 2'-deoxy-2'-halocoformycins or steroisomers thereofZAIDAN HOJIN BISEIBUTSU·Filed 1997·Granted Nov 3, 1998·6 cites·5 claims
- 2045US5096888A3-deoxy mycaminosyl tylonolide derivativesZAIDAN HOJIN BISEIBUTSU·Filed 1990·Granted Mar 17, 1992·5 cites·5 claims
- 2145US4349666AProcess for the production of kanomycin B derivatives and products obtained therefromMICROBIAL CHEM RES FOUND·Filed 1980·Granted Sep 14, 1982·4 cites·9 claims
- 2244US4298727A3',4'-Dideoxykanamycin A and 1-N-(S)-α-hydroxy-ω-aminoalkanoyl) derivatives thereofMICROBIAL CHEM RES FOUND·Filed 1980·Granted Nov 3, 1981·3 cites·6 claims
- 2344US4008218A1-N-((S)-α-substituted-ω-aminoacyl)-neamine or -ribostamycin and the production thereofMEIJI SEIKA KAISHA·Filed 1975·Granted Feb 15, 1977·3 cites·2 claims
- 2439US4634688A3'-fluoro-3'-deoxykanamycin AMICROBIAL CHEM RES FOUND·Filed 1985·Granted Jan 6, 1987·2 cites·2 claims
- 2539US4576931A23-C-Substituted mycaminosyl tylonolide, pharmaceutical compositions and method of useMICROBIAL CHEM RES FOUND·Filed 1985·Granted Mar 18, 1986·2 cites·13 claims
- 2636US6184365B1Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2 fluoro-α-L-talopyranosyl groupZAIDAN HOJIN BISEIBUTSU·Filed 1997·Granted Feb 6, 2001·1 cites·3 claims
- 2736US4945081AMycaminosyl tylonolide derivativesYAMANOUCHI PHARMA CO LTD·Filed 1988·Granted Jul 31, 1990·1 cites·5 claims
- 2835US5101022AMycaminosyl tylonolide derivativesYAMANOUCHI PHARMA CO LTD·Filed 1991·Granted Mar 31, 1992·1 cites·1 claims
- 2935US4661474A2',3'-dideoxy-2'-fluorokanamycin A and 1-N-(α-hydroxy-ω-aminoalkanoyl) derivatives thereofMICROBIAL CHEM RES FOUND·Filed 1985·Granted Apr 28, 1987·1 cites·6 claims
- 3034US5958889AAnthracycline derivatives having 4-amino-2,4,6-trideoxy-2-fluoro-mannopyranosyl groupZAIDAN HOJIN BISEIBUTSU·Filed 1996·Granted Sep 28, 1999·1 cites·4 claims
- 3133US4914192AMycaminosyl tylonolide derivativesYAMANOUCHI PHARMA CO LTD·Filed 1988·Granted Apr 3, 1990·0 cites·5 claims
- 3232US6075135A3,4-di-O,N-Protected-4-amino-2,4,6-trideoxy-2-fluoro-L-manno-pyranosyl halide and a process for its preparationZAIDAN HOJIN BISEIBUTSU·Filed 1999·Granted Jun 13, 2000·0 cites·3 claims
- 3332US4473557A3"-Deoxystreptomycin production thereof and pharmaceutical compositions containing sameMICROBIAL CHEM RES FOUND·Filed 1983·Granted Sep 25, 1984·0 cites·7 claims
- 3431US5527781A4-O-(aminoglycosyl)- or 4,6-di-O-(aminoglycosyl)-2,5-dideoxy-5,5-difluorostreptamine derivativesZAIDAN HOJIN BISEIBUTSU·Filed 1991·Granted Jun 18, 1996·1 cites·12 claims
- 3531US4845082A3'4'-dideoxy-3'-fluorokanamycin B and production thereofMICROBIAL CHEM RES FOUND·Filed 1986·Granted Jul 4, 1989·0 cites·3 claims
- 3631US4357466AProcesses for the production of 3'-deoxykanamycin A and intermediatesMICROBIAL CHEM RES FOUND·Filed 1980·Granted Nov 2, 1982·1 cites·5 claims
- 3730US4469683A3"-Epistreptomycin and its dihydro derivative, pharmaceutical compositions and production of the sameMICROBIAL CHEM RES FOUND·Filed 1983·Granted Sep 4, 1984·0 cites·10 claims
- 3827US5789386AFluorine-containing anthracycline derivatives having hydroxyl groups(s) mono- or di-o-aminoalkanoylated in the sugar moiety thereofZAIDAN HOJIN BISEIBUTSU·Filed 1996·Granted Aug 4, 1998·0 cites·20 claims
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