Inventor
MATSUNAGA ISAO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNAGA ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHUGAI PHARMACEUTICAL CO LTD
21 patentsUS4666634AMay 19, 1987
vitamin D3 derivatives having a substituent at 2-position
CHUGAI PHARMACEUTICAL CO LTD185 citations97
US4891364AJan 2, 1990
Vitamin D derivatives, process for producing the same and their use in the differentiation of tumor cells
CHUGAI PHARMACEUTICAL CO LTD32 citations91
US4200640AApr 29, 1980
Nitric ester of N-(2-hydroxyethyl)nicotinamide and pharmaceutical use
CHUGAI PHARMACEUTICAL CO LTD47 citations90
US4415573ANov 15, 1983
Novel uracil derivatives, process for preparing the same and a pharmaceutical composition containing the same
CHUGAI PHARMACEUTICAL CO LTD23 citations79
US4225524ASep 30, 1980
Steroid derivatives and process for preparing the same
CHUGAI PHARMACEUTICAL CO LTD14 citations73
US4578465AMar 25, 1986
Phenyliperazine derivatives
CHUGAI PHARMACEUTICAL CO LTD8 citations72
US4696919ASep 29, 1987
Method of preventing and treating obesity
CHUGAI PHARMACEUTICAL CO LTD8 citations66
US4179452ADec 18, 1979
3α,6α-Dihydroxy-5β-cholestan-24-one derivatives and process for preparing the same
CHUGAI PHARMACEUTICAL CO LTD2 citations62
US4145357AMar 20, 1979
Steroid derivatives and process for preparing the same
CHUGAI PHARMACEUTICAL CO LTD2 citations62
US4560686ADec 24, 1985
Method for treating circulatory diseases by using (2-lower alkoxyphenyl)piperazine derivatives
CHUGAI PHARMACEUTICAL CO LTD4 citations61
US4650888AMar 17, 1987
Pentaerythritol derivative
CHUGAI PHARMACEUTICAL CO LTD4 citations60
US4409234AOct 11, 1983
Pyrazoloindazole derivatives and bronchodilating composition
CHUGAI PHARMACEUTICAL CO LTD5 citations60
US4301161ANov 17, 1981
Cephalosporin derivatives
CHUGAI PHARMACEUTICAL CO LTD2 citations60
US4298605ANov 3, 1981
Cephalosporin derivatives
CHUGAI PHARMACEUTICAL CO LTD2 citations60
US4229348AOct 21, 1980
Penicillanic acid derivatives
CHUGAI PHARMACEUTICAL CO LTD5 citations60
US4447453AMay 8, 1984
Anti-peptic ulcer agent
CHUGAI PHARMACEUTICAL CO LTD2 citations58
US4698364AOct 6, 1987
Benzoic acid derivatives
CHUGAI PHARMACEUTICAL CO LTD4 citations57
US4438115AMar 20, 1984
Compositions and methods for treating diseases in circulatory organs
CHUGAI PHARMACEUTICAL CO LTD1 citations50
US4341776AJul 27, 1982
Cephalosporin derivatives
CHUGAI PHARMACEUTICAL CO LTD0 citations50
US4328224AMay 4, 1982
Cephalosporin derivatives
CHUGAI PHARMACEUTICAL CO LTD0 citations50
US4355038AOct 19, 1982
α-Substituted ureido-benzylpenicillanic acids
CHUGAI PHARMACEUTICAL CO LTD0 citations49