Inventor · disambiguated record
Katsumi Tamoto
Also filed as: KOBAYASHI TSUYOSHI · TAMOTO KATSUMI
9 granted patents·88 citations·filing 1976–1991
87Inventor score
Top patents by PatentIndex Score
9 records- 0193US4217349ABenzisoxazole derivativesSUMITOMO CHEMICAL CO·Filed 1978·Granted Aug 12, 1980·26 cites·8 claims
- 0290US4122176A3-(Piperazinoalkyl)-benz-2,1-isoxazolesSUMITOMO CHEMICAL CO·Filed 1976·Granted Oct 24, 1978·20 cites·8 claims
- 0380US5051444APyrrolidine derivatives as anti-amnesia agentsSUMITOMO PHARMA·Filed 1989·Granted Sep 24, 1991·15 cites·12 claims
- 0471US4880827APyrrolidine derivatives having inhibitory action for proline specific endopepidaseSUMITOMO PHARMA·Filed 1987·Granted Nov 14, 1989·9 cites·8 claims
- 0568US5231179AHeterocyclic compounds and their productionSUMITOMO PHARMA·Filed 1991·Granted Jul 27, 1993·11 cites·8 claims
- 0647US4495103APreparation of optically active 4-demethoxydaunomycinoneSUMITOMO CHEMICAL CO·Filed 1983·Granted Jan 22, 1985·3 cites·11 claims
- 0747US4343801A1,2,4-Triazine derivatives, and their production and useSUMITOMO CHEMICAL CO·Filed 1980·Granted Aug 10, 1982·2 cites·18 claims
- 0843US4069230APreparation of indole derivativesSUMITOMO CHEMICAL CO·Filed 1976·Granted Jan 17, 1978·2 cites·7 claims
- 0932US4501700APreparation of optically active 4-demethoxydaunomycinoneSUMITOMO CHEMICAL CO·Filed 1983·Granted Feb 26, 1985·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Katsumi Tamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →