Inventor

YOSHIDA CHOSAKU

16 patents

⚠️ This page may combine multiple inventors who share the name “YOSHIDA CHOSAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYAMA CHEMICAL CO LTD

14 patents

US4087424AMay 2, 1978

Immunomodulator, cell adhesion inhibtor, and agent for treating, and preventing autoimmune diseases

TOYAMA CHEMICAL CO LTD34 citations90

US4327097AApr 27, 1982

Novel penicillins

TOYAMA CHEMICAL CO LTD28 citations81

US4219554AAug 26, 1980

Novel penicillins and cephalosporins and process for producing same

TOYAMA CHEMICAL CO LTD28 citations81

US4436921AMar 13, 1984

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same

TOYAMA CHEMICAL CO LTD4 citations72

US4477664AOct 16, 1984

Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or acid addition salts thereof

TOYAMA CHEMICAL CO LTD1 citations61

US4477666AOct 16, 1984

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same

TOYAMA CHEMICAL CO LTD2 citations61

US4448963AMay 15, 1984

4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same

TOYAMA CHEMICAL CO LTD1 citations61

US6166068ADec 26, 2000

Immunomodulator, cell adhesion inhibitor, and agent for treating, and preventing autoimmune diseases

TOYAMA CHEMICAL CO LTD5 citations60

US4459407AJul 10, 1984

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof

TOYAMA CHEMICAL CO LTD0 citations51

TOYAMA CHEMICAL COMPANY LTD

1 patent

US4954518ASep 4, 1990

4H-1-benzopyran-4-one derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredient

TOYAMA CHEMICAL COMPANY LTD100 citations94

TOYAMA CHEMICAL COMPANY LIMITE

1 patent

US4460774AJul 17, 1984

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same

TOYAMA CHEMICAL COMPANY LIMITE1 citations60

YOSHIDA CHOSAKU

TOYAMA CHEMICAL CO LTD

Novel penicillins and cephalosporins and process for producing the same

Cephalosporins

Cephalosporins

Novel penicillins and cephalosporins and process for producing the same

2,3 Diketo-piperazinocarbonylamino alkanoic acids and derivatives

Immunomodulator, cell adhesion inhibtor, and agent for treating, and preventing autoimmune diseases

Novel penicillins

Novel penicillins and cephalosporins and process for producing same

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same

Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or acid addition salts thereof

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same

4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same

Immunomodulator, cell adhesion inhibitor, and agent for treating, and preventing autoimmune diseases

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof

TOYAMA CHEMICAL COMPANY LTD

4H-1-benzopyran-4-one derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredient

TOYAMA CHEMICAL COMPANY LIMITE

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same