Inventor · disambiguated record
Takeo Yoshioka
Also filed as: YOSHIOKA TAKEO
40 granted patents·1 pending application·369 citations·filing 1980–2004
97Inventor score
Top patents by PatentIndex Score
41 records- 0190US4939248AOptically active azetidinonesSANRAKU INC·Filed 1987·Granted Jul 3, 1990·38 cites·10 claims
- 0288US5183883AConjugate of adriamycin and cyclodextrinMERCIAN CORP·Filed 1991·Granted Feb 2, 1993·112 cites·8 claims
- 0384US6566394B1Salicylamide derivativesMERCIAN CORP·Filed 2000·Granted May 20, 2003·25 cites·17 claims
- 0483US4778883A3-(CHFCH3)-azetidinone intermediatesSANRAKU INC·Filed 1987·Granted Oct 18, 1988·40 cites·5 claims
- 0579US4337199AAntibiotic β-lactam compounds, production thereof, and their use as antimicrobial agentSANRAKU OCEAN CO·Filed 1980·Granted Jun 29, 1982·12 cites·12 claims
- 0672US6653455B1Crystallization of doxorubicin hydrochlorideMERCIAN CORP·Filed 1999·Granted Nov 25, 2003·45 cites·2 claims
- 0765US6589981B2Tumor radiosensitization and/or chemopotentiation using isocoumarin derivativesILEX ONCOLOGY INC·Filed 2001·Granted Jul 8, 2003·3 cites·4 claims
- 0865US6020363AIsocoumarin derivatives and use thereof in drugsMERCIAN CORP·Filed 1996·Granted Feb 1, 2000·25 cites·10 claims
- 0962US4528397AAminocarboxylic acid derivativesSANRAKU OCEAN CO·Filed 1983·Granted Jul 9, 1985·5 cites·10 claims
- 1062US4418192AAnthracyclinone trisaccharide compoundsSANRAKU OCEAN CO·Filed 1982·Granted Nov 29, 1983·8 cites·7 claims
- 1158US5760238A1,4-dihydropyridine derivativesMERCIAN CORP·Filed 1995·Granted Jun 2, 1998·7 cites·3 claims
- 1256US7235388B2Isolated nucleic acid encoding L-lysine: 2-oxoglutaric acid 6-aminotransferaseMERCIAN CORP·Filed 2004·Granted Jun 26, 2007·0 cites·15 claims
- 1351US6361987B1Gene encoding a protein having asymmetric hydrolase activity for 4-substituted 1,4-dihydropyridine derivatives and its expression productMERCIAN CORP·Filed 2000·Granted Mar 26, 2002·0 cites·15 claims
- 1450US6747012B1Crystalline anthracycline antibiotic and process for producing the sameMERCIAN CORP·Filed 1998·Granted Jun 8, 2004·8 cites·6 claims
- 1549US6410759B1Dihydroxycholesterol hydroxylated at 17- and 25-positionsMERCIAN CORP·Filed 2000·Granted Jun 25, 2002·0 cites·1 claims
- 1649US6030951AChrysomycin derivative compounds and use as antitumor agentsMERCIAN CORP·Filed 1997·Granted Feb 29, 2000·4 cites·11 claims
- 1748US5635395AOptically active 1,4-dihydropyridine compounds and the microbial process for the stereoselection thereofMERCIAN CORP·Filed 1993·Granted Jun 3, 1997·4 cites·3 claims
- 1846US5395941AOptically active 1,4-hydropyridine compoundsMERCIAN CORP·Filed 1994·Granted Mar 7, 1995·2 cites·4 claims
- 1946US5149802AProcess for producing azetidinone derivativesMERCIAN CORP·Filed 1991·Granted Sep 22, 1992·3 cites·1 claims
- 2046US2004024015A1Tumor radiosensitization and /or chemopotentiation using isocoumarin derivativesFiled 2003·Application pending·0 cites
- 2144US4933439ATylosin derivatives and processes for producing the sameSANRAKU INC·Filed 1988·Granted Jun 12, 1990·6 cites·7 claims
- 2243US5541303A3,4'-dideoxymycaminosltylonolide derivative and process for producing the sameZAIDAN HOJIN BISEIBUTSU·Filed 1993·Granted Jul 30, 1996·4 cites·10 claims
- 2342US4517127Aβ-Lactam derivatives and process for production thereofSANRAKU OCEAN CO·Filed 1983·Granted May 14, 1985·2 cites·3 claims
- 2441US5906927AProcess for producing L-2-aminoadipic acidMERCIAN CORP·Filed 1996·Granted May 25, 1999·3 cites·7 claims
- 2540US6146844AProcess for producing hydroxylated cholesterols and dihydroxycholesterols using amycolataMERCIAN CORP·Filed 1996·Granted Nov 14, 2000·2 cites·4 claims
- 2640US6043050ABiological process for producing steroids hydroxylated at the 25-positionMERCIAN CORP·Filed 1998·Granted Mar 28, 2000·2 cites·26 claims
- 2740US4451401AAntibiotics and process for production thereofSANRAKU OCEAN CO·Filed 1982·Granted May 29, 1984·1 cites·7 claims
- 2839US5223519A4-hydroxypyridine derivatives, useful for treating circulatory diseasesMERCIAN CORP·Filed 1991·Granted Jun 29, 1993·2 cites·4 claims
- 2939US4996314A6-(disubstituted amino)carbapenem compoundsSANRAKU INC·Filed 1988·Granted Feb 26, 1991·1 cites·5 claims
- 3039US4508648APhosphoric ester of antibiotic OA-6129SANRAKU OCEAN CO·Filed 1982·Granted Apr 2, 1985·1 cites·1 claims
- 3136US6143541AGene encoding a protein having symmetric hydrolase activity for 4-substituted 1,4-dihydropyridine derivatives and its expression productMERCIAN CORP·Filed 1996·Granted Nov 7, 2000·1 cites·5 claims
- 3235US4612372ATylosin derivativesSANRAKU INC·Filed 1985·Granted Sep 16, 1986·2 cites·4 claims
- 3332US4853407AAminoethylcysteine derivativesSANRAKU INC·Filed 1988·Granted Aug 1, 1989·0 cites·5 claims
- 3432US4426390ANovel β-lactam compounds, process for producing thereof, and use thereof as medicinesSANRAKU OCEAN CO·Filed 1981·Granted Jan 17, 1984·1 cites·7 claims
- 3531US4812563A6-(disubstituted amino)carbapenam compoundsSANRAKU INC·Filed 1987·Granted Mar 14, 1989·0 cites·1 claims
- 3629US4997922AAnthracycline derivativesSANRAKU INC·Filed 1989·Granted Mar 5, 1991·0 cites·1 claims
- 3728US6890746B1Gene participating in the production of homo-glutamic acid and utilization thereofMERCIAN CORP·Filed 1999·Granted May 10, 2005·0 cites·15 claims
- 3828US6133443AOptically active 1,4-dihydropyridine derivatives and process for the preparation thereofMERCIAN CORP·Filed 1996·Granted Oct 17, 2000·0 cites·10 claims
- 3928US5232943AAntibiotics mer-af1032a and mer-af1032bMERCIAN CORP·Filed 1992·Granted Aug 3, 1993·0 cites·3 claims
- 4027US5091370AAngolamycin derivativesSANRAKU INC·Filed 1990·Granted Feb 25, 1992·0 cites·5 claims
- 4123US6388058B1Method of purifying daunomycinMERCIAN CORP·Filed 1998·Granted May 14, 2002·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →