Inventor
ENDO HISAO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “ENDO HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHUGAI PHARMACEUTICAL CO LTD
6 patentsUS4301161ANov 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
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