Inventor

SENDAI MICHIYUKI

JP12 patents

Patents

12 patents

US4833134AMay 23, 1989

Cephem compounds

TAKEDA CHEMICAL INDUSTRIES LTD67 citations95

US4794108ADec 27, 1988

1-carboxymethoxy acetidinones and their production

TAKEDA CHEMICAL INDUSTRIES LTD52 citations95

US4245088AJan 13, 1981

Novel 3-acyloxymethyl-cephem compounds useful as intermediates for preparing cephalosporin antibiotics

TAKEDA CHEMICAL INDUSTRIES LTD13 citations73

US4971963ANov 20, 1990

Cephem compounds, and use

TAKEDA CHEMICAL INDUSTRIES LTD5 citations62

US4323676AApr 6, 1982

Process for preparing cephalosporins

TAKEDA CHEMICAL INDUSTRIES LTD2 citations62

US5459260AOct 17, 1995

Tricyclic or tetracyclic carbapenem compounds, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD5 citations61

US5438053AAug 1, 1995

Cephem compounds compositions and method

TAKEDA CHEMICAL INDUSTRIES LTD6 citations61

US5393751AFeb 28, 1995

Tricyclic carbapenem compounds

TAKEDA CHEMICAL INDUSTRIES LTD5 citations61

US4224441ASep 23, 1980

Derivatives of 7-aminocephalosporanic acid

TAKEDA CHEMICAL INDUSTRIES LTD4 citations61

US4166178AAug 28, 1979

3-acyloxymethyl-cephem compounds

TAKEDA CHEMICAL INDUSTRIES LTD2 citations61

US4308381ADec 29, 1981

Cephem compounds

TAKEDA CHEMICAL INDUSTRIES LTD0 citations51

US4122258AOct 24, 1978

Process for producing desacetoxycephalosporin derivatives by heating a penicillin-1-oxide in presence of an organic sulfide

TAKEDA CHEMICAL INDUSTRIES LTD1 citations49