Inventor · disambiguated record
Tomoyuki Ishikura
Also filed as: ISHIKURA TOMOYUKI
31 granted patents·1 pending application·340 citations·filing 1977–2011
97Inventor score
Top patents by PatentIndex Score
32 records- 0192US4746734APartially methylated cyclodextrins and process for producing the sameSANRAKU INC·Filed 1987·Granted May 24, 1988·96 cites·8 claims
- 0290US4939248AOptically active azetidinonesSANRAKU INC·Filed 1987·Granted Jul 3, 1990·38 cites·10 claims
- 0384US4368203AAntibiotics and derivatives thereof having β-lactamase inhibitory activity and production thereofSANRAKU OCEAN CO·Filed 1978·Granted Jan 11, 1983·13 cites·9 claims
- 0483US4778883A3-(CHFCH3)-azetidinone intermediatesSANRAKU INC·Filed 1987·Granted Oct 18, 1988·40 cites·5 claims
- 0580US4781977ACyclodextrin adsorbing-materialSANRAKU INC·Filed 1986·Granted Nov 1, 1988·31 cites·9 claims
- 0679US4337199AAntibiotic β-lactam compounds, production thereof, and their use as antimicrobial agentSANRAKU OCEAN CO·Filed 1980·Granted Jun 29, 1982·12 cites·12 claims
- 0773US4456592AAntibiotics, neoviridogriseins, and their method of productionSANRAKU OCEAN CO·Filed 1981·Granted Jun 26, 1984·13 cites·14 claims
- 0870US4355112AStreptomyces cultureSANRAKU OCEAN CO·Filed 1977·Granted Oct 19, 1982·13 cites·1 claims
- 0966US4318916AAntibiotic PS-5 and derivatives having β-lactamase inhibitory activity and production thereofSANRAKU OCEAN CO·Filed 1978·Granted Mar 9, 1982·8 cites·15 claims
- 1062US4528397AAminocarboxylic acid derivativesSANRAKU OCEAN CO·Filed 1983·Granted Jul 9, 1985·5 cites·10 claims
- 1162US4418192AAnthracyclinone trisaccharide compoundsSANRAKU OCEAN CO·Filed 1982·Granted Nov 29, 1983·8 cites·7 claims
- 1261US4373094AAnthracycline derivativesSANRAKU OCEAN CO·Filed 1981·Granted Feb 8, 1983·7 cites·5 claims
- 1360US4438201AAmidohydrolase having ability to depantothenylate an antibioticSANRAKU OCEAN CO·Filed 1982·Granted Mar 20, 1984·16 cites·4 claims
- 1457US4439603AAnthracycline derivatives of β-rhodomycinone glycosidesSANRAKU OCEAN CO·Filed 1982·Granted Mar 27, 1984·6 cites·3 claims
- 1556US4592999AProcess for producing daunomycinSANRAKU INC·Filed 1983·Granted Jun 3, 1986·6 cites·1 claims
- 1649US4536397AAntibiotics, neoviridogriseins, and their method of productionSANRAKU OCEAN CO·Filed 1983·Granted Aug 20, 1985·4 cites·5 claims
- 1747US4897470AAnthracycline antibiotics DCP-1 and 2SANRAKU INC·Filed 1987·Granted Jan 30, 1990·4 cites·3 claims
- 1844US4734493ANovel anthracycline antibioticsSANRAKU INC·Filed 1986·Granted Mar 29, 1988·4 cites·5 claims
- 1942US4517127Aβ-Lactam derivatives and process for production thereofSANRAKU OCEAN CO·Filed 1983·Granted May 14, 1985·2 cites·3 claims
- 2042US4474945AAnthracycline antibioticsSANRAKU OCEAN CO·Filed 1982·Granted Oct 2, 1984·2 cites·1 claims
- 2140US4451401AAntibiotics and process for production thereofSANRAKU OCEAN CO·Filed 1982·Granted May 29, 1984·1 cites·7 claims
- 2240US2013059375A1Method for preparing es cellsKOSEKI HARUHIKO·Filed 2011·Application pending·0 cites
- 2339US4996314A6-(disubstituted amino)carbapenem compoundsSANRAKU INC·Filed 1988·Granted Feb 26, 1991·1 cites·5 claims
- 2439US4508648APhosphoric ester of antibiotic OA-6129SANRAKU OCEAN CO·Filed 1982·Granted Apr 2, 1985·1 cites·1 claims
- 2538US4424342AAnthracycline antibiotic compoundsSANRAKU OCEAN CO·Filed 1982·Granted Jan 3, 1984·1 cites·1 claims
- 2637US4612371AAnthracycline antibioticsSANRAKU INC·Filed 1985·Granted Sep 16, 1986·2 cites·6 claims
- 2736US4463171ADerivatives of macrolide antibioticsSANRAKU OCEAN CO·Filed 1983·Granted Jul 31, 1984·2 cites·7 claims
- 2835US4612372ATylosin derivativesSANRAKU INC·Filed 1985·Granted Sep 16, 1986·2 cites·4 claims
- 2933US4918172AAnthracycline antibioticsSANRAKU INC·Filed 1988·Granted Apr 17, 1990·1 cites·13 claims
- 3032US4853407AAminoethylcysteine derivativesSANRAKU INC·Filed 1988·Granted Aug 1, 1989·0 cites·5 claims
- 3132US4426390ANovel β-lactam compounds, process for producing thereof, and use thereof as medicinesSANRAKU OCEAN CO·Filed 1981·Granted Jan 17, 1984·1 cites·7 claims
- 3231US4812563A6-(disubstituted amino)carbapenam compoundsSANRAKU INC·Filed 1987·Granted Mar 14, 1989·0 cites·1 claims
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