Inventor

KAMETANI TETSUJI

4 patents

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

ITARO HORIUCHI & CO LTD

2 patents

US4939247AJul 3, 1990

Gamma-lactone derivatives and process of preparing same

ITARO HORIUCHI & CO LTD0 citations43

US4874551AOct 17, 1989

δ-lactone derivatives and process of preparing same

ITARO HORIUCHI & CO LTD0 citations43

NIPPON CHEMIPHAR CO

1 patent

US3933826AJan 20, 1976

Protoberberine derivatives

NIPPON CHEMIPHAR CO6 citations66

BRISTOL MYERS CO

1 patent

US4024082AMay 17, 1977

Analgesics

BRISTOL MYERS CO1 citations49