Inventor
MATSUO TAISUKE
JP11 patents
Patents
11 patentsUS4822788AApr 18, 1989
1-sulfo-2-oxozetidine derivatives and their product ion
TAKEDA CHEMICAL INDUSTRIES LTD16 citations81
US4550105AOct 29, 1985
1-Sulfo-2-oxoazetidine derivatives and their production
TAKEDA CHEMICAL INDUSTRIES LTD22 citations81
US4572801AFeb 25, 1986
4-Carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production
TAKEDA CHEMICAL INDUSTRIES LTD17 citations73
US4665067AMay 12, 1987
1-Sulfo-2-oxoazetidine derivatives and their production
TAKEDA CHEMICAL INDUSTRIES LTD3 citations62
US4560508ADec 24, 1985
4-Cyano-2-azetidinones and production thereof
TAKEDA CHEMICAL INDUSTRIES LTD3 citations62
US4182866AJan 8, 1980
3-Heterocyclic substituted cephem compounds
TAKEDA CHEMICAL INDUSTRIES LTD4 citations60
US4725591AFeb 16, 1988
β-lactamase inhibitory composition
TAKEDA CHEMICAL INDUSTRIES LTD5 citations56
US4771045ASep 13, 1988
2-oxozetidinone derivatives, their production and use
TAKEDA CHEMICAL INDUSTRIES LTD1 citations51
US4684724AAug 4, 1987
4-Cyano-2-azetidinones and production thereof
TAKEDA CHEMICAL INDUSTRIES LTD0 citations51
US4416817ANov 22, 1983
3-Methoxy-2-oxoazetidine derivatives and their production
TAKEDA CHEMICAL INDUSTRIES LTD2 citations51
US4822790AApr 18, 1989
1-Sulfo-2-oxoazetidine derivatives and their production
TAKEDA CHEMICAL INDUSTRIES LTD0 citations41