Inventor · disambiguated record
Kouichi Yoshioka
Also filed as: YOSHIOKA KOUICHI
8 granted patents·89 citations·filing 1973–1987
86Inventor score
Files withTAKEDA CHEMICAL INDUSTRIES LTD8
Top patents by PatentIndex Score
8 records- 0186US4751299AOptically active β-lactams and method of their productionTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1984·Granted Jun 14, 1988·21 cites·21 claims
- 0278US4882434AGamma-lactonecarboxylic acid derivatives and their use as antibacterial agents or intermediatesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Nov 21, 1989·16 cites·5 claims
- 0373US4020269AEpiminodeaminodeoxyaminoglycoside antibiotics and intermediatesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1975·Granted Apr 26, 1977·13 cites·12 claims
- 0463US4029883ADehydroxylation of aminosugarsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1973·Granted Jun 14, 1977·10 cites·12 claims
- 0561US4897489AAntibiotic derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Jan 30, 1990·15 cites·24 claims
- 0654US4851422AAntibiotic 2-(3-oxo-2-isoxazolidinyl)-5-oxo-2-tetrahydrofuran-carboxylatesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1986·Granted Jul 25, 1989·11 cites·28 claims
- 0738US4533495AMethod of producing 2-azetidinone-1-sulfonic acid compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1982·Granted Aug 6, 1985·1 cites·4 claims
- 0835US3953483A17-Nor-6-methyl-steroidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1974·Granted Apr 27, 1976·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →