Inventor

OCHIAI MICHIHIKO

JP36 patents

Patents

36 patents

US4098888AJul 4, 1978

Esters of 7-[2-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-methyl-ceph-3-em-4-carboxylic acid

TAKEDA CHEMICAL INDUSTRIES LTD8 citations74

US4520194AMay 28, 1985

Cephalosporins

TAKEDA CHEMICAL INDUSTRIES LTD10 citations74

US4510138AApr 9, 1985

7-[2-(2-Aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]cephalosporin derivatives

TAKEDA CHEMICAL INDUSTRIES LTD9 citations74

US4380541AApr 19, 1983

Cephalosporin derivatives

TAKEDA CHEMICAL INDUSTRIES LTD6 citations74

US4897489AJan 30, 1990

Antibiotic derivatives, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD15 citations73

US4572801AFeb 25, 1986

4-Carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production

TAKEDA CHEMICAL INDUSTRIES LTD17 citations73

US4145540AMar 20, 1979

7β-Phosphoramido-7α-methoxycephalosporanic acid derivatives

TAKEDA CHEMICAL INDUSTRIES LTD8 citations73

US4673739AJun 16, 1987

4-carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production

TAKEDA CHEMICAL INDUSTRIES LTD12 citations70

US4197298AApr 8, 1980

[3-Heterocyclic-7-(2-methoxyimino-2-aminothiazolyl) acetamido]cephalosporins

TAKEDA CHEMICAL INDUSTRIES LTD2 citations63

US4182868AJan 8, 1980

7-Methoxycephalosporin derivatives

TAKEDA CHEMICAL INDUSTRIES LTD3 citations63

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

US4298607ANov 3, 1981

Crystalline salt of 7β-[2-(2-aminothiazol-4-yl)-(Z)-2-methoxyiminoacetamido]-3-[(1-methyl-1H-tetrazol-5-yl)thiomethyl]ceph-3-em-4-carboxylic acid and HCl or HBr

TAKEDA CHEMICAL INDUSTRIES LTD3 citations60

US4251657AFeb 17, 1981

Method for removing protective groups

TAKEDA CHEMICAL INDUSTRIES LTD0 citations52

US4008227AFeb 15, 1977

Cephalosporins

TAKEDA CHEMICAL INDUSTRIES LTD0 citations52

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

US4533495AAug 6, 1985

Method of producing 2-azetidinone-1-sulfonic acid compounds

TAKEDA CHEMICAL INDUSTRIES LTD1 citations51

US4416817ANov 22, 1983

3-Methoxy-2-oxoazetidine derivatives and their production

TAKEDA CHEMICAL INDUSTRIES LTD2 citations51

US4675397AJun 23, 1987

1-sulfo-2-oxoazetidine derivatives and their production

TAKEDA CHEMICAL INDUSTRIES LTD1 citations49

US4822790AApr 18, 1989

1-Sulfo-2-oxoazetidine derivatives and their production

TAKEDA CHEMICAL INDUSTRIES LTD0 citations41

OCHIAI MICHIHIKO

Patents

Thiazolylacetamido cephalosporin type compounds

7-[2-(2-Aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido] cephalosporins

Aminothiazole derivatives

1-carboxymethoxy acetidinones and their production

Cephem compounds

Thiazolylacetamido cephalosporin compounds

Thiazolylacetamido compounds

Methods for the manufacture of cephems

Thiazolylacetamido cephalosphorin compounds

Thiazolylacetamido cephalosporin type compounds

Thiazolylacetamido compounds

α-Alkoxyimino-β-oxo-γ-Bromobutyric acid

Cephem compounds

1-sulfo-2-oxozetidine derivatives and their product ion

1-Sulfo-2-oxoazetidine derivatives and their production

Esters of 7-[2-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-methyl-ceph-3-em-4-carboxylic acid

Cephalosporins

7-[2-(2-Aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]cephalosporin derivatives

Cephalosporin derivatives

Antibiotic derivatives, their production and use

4-Carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production

7β-Phosphoramido-7α-methoxycephalosporanic acid derivatives

4-carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production

[3-Heterocyclic-7-(2-methoxyimino-2-aminothiazolyl) acetamido]cephalosporins

7-Methoxycephalosporin derivatives

1-Sulfo-2-oxoazetidine derivatives and their production

4-Cyano-2-azetidinones and production thereof

Crystalline salt of 7β-[2-(2-aminothiazol-4-yl)-(Z)-2-methoxyiminoacetamido]-3-[(1-methyl-1H-tetrazol-5-yl)thiomethyl]ceph-3-em-4-carboxylic acid and HCl or HBr

Method for removing protective groups

Cephalosporins

2-oxozetidinone derivatives, their production and use

4-Cyano-2-azetidinones and production thereof

Method of producing 2-azetidinone-1-sulfonic acid compounds

3-Methoxy-2-oxoazetidine derivatives and their production

1-sulfo-2-oxoazetidine derivatives and their production

1-Sulfo-2-oxoazetidine derivatives and their production