Inventor
HIROHASHI TOSHIYUKI
7 patents
Patents
7 patentsUS3957783AMay 18, 1976
Thieno[2,3-d]pyrimidine derivatives
SUMITOMO CHEMICAL CO38 citations92
US4002611AJan 11, 1977
Preparation of benzodiazepines
SUMITOMO CHEMICAL CO3 citations62
US4001412AJan 4, 1977
1-Substituted-1,2-dihydrothieno[2,3-d]-pyrimidin-2-one derivatives
SUMITOMO CHEMICAL CO2 citations62
US4536334AAug 20, 1985
Preparation of β-lactam derivatives
SUMITOMO CHEMICAL CO3 citations61
US4010154AMar 1, 1977
Benzodiazepinones
SUMITOMO CHEMICAL CO2 citations60
US4079053AMar 14, 1978
Benzodiazepine derivatives
SUMITOMO CHEMICAL CO0 citations50
US3989829ANov 2, 1976
1,4-Benzodiazepines
SUMITOMO CHEMICAL CO0 citations50