Inventor
YOSHIOKA KOUICHI
14 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA KOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAKEDA CHEMICAL INDUSTRIES LTD
8 patentsUS4897489AJan 30, 1990
Antibiotic derivatives, their production and use
TAKEDA CHEMICAL INDUSTRIES LTD15 citations73
US4882434ANov 21, 1989
Gamma-lactonecarboxylic acid derivatives and their use as antibacterial agents or intermediates
TAKEDA CHEMICAL INDUSTRIES LTD16 citations73
US4851422AJul 25, 1989
Antibiotic 2-(3-oxo-2-isoxazolidinyl)-5-oxo-2-tetrahydrofuran-carboxylates
TAKEDA CHEMICAL INDUSTRIES LTD11 citations73
US4751299AJun 14, 1988
Optically active β-lactams and method of their production
TAKEDA CHEMICAL INDUSTRIES LTD21 citations72
US4029883AJun 14, 1977
Dehydroxylation of aminosugars
TAKEDA CHEMICAL INDUSTRIES LTD10 citations71
US4020269AApr 26, 1977
Epiminodeaminodeoxyaminoglycoside antibiotics and intermediates
TAKEDA CHEMICAL INDUSTRIES LTD13 citations71
US3953483AApr 27, 1976
17-Nor-6-methyl-steroids
TAKEDA CHEMICAL INDUSTRIES LTD2 citations58
US4533495AAug 6, 1985
Method of producing 2-azetidinone-1-sulfonic acid compounds
TAKEDA CHEMICAL INDUSTRIES LTD1 citations51