Inventor
TAMOTO KATSUMI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TAMOTO KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
6 patentsUS4217349AAug 12, 1980
Benzisoxazole derivatives
SUMITOMO CHEMICAL CO26 citations82
US4122176AOct 24, 1978
3-(Piperazinoalkyl)-benz-2,1-isoxazoles
SUMITOMO CHEMICAL CO20 citations82
US4343801AAug 10, 1982
1,2,4-Triazine derivatives, and their production and use
SUMITOMO CHEMICAL CO2 citations61
US4495103AJan 22, 1985
Preparation of optically active 4-demethoxydaunomycinone
SUMITOMO CHEMICAL CO3 citations60
US4069230AJan 17, 1978
Preparation of indole derivatives
SUMITOMO CHEMICAL CO2 citations55
US4501700AFeb 26, 1985
Preparation of optically active 4-demethoxydaunomycinone
SUMITOMO CHEMICAL CO0 citations51
SUMITOMO PHARMA
3 patentsUS5051444ASep 24, 1991
Pyrrolidine derivatives as anti-amnesia agents
SUMITOMO PHARMA15 citations79
US5231179AJul 27, 1993
Heterocyclic compounds and their production
SUMITOMO PHARMA11 citations73
US4880827ANov 14, 1989
Pyrrolidine derivatives having inhibitory action for proline specific endopepidase
SUMITOMO PHARMA9 citations71