Inventor · disambiguated record
Katsuyuki Nagumo
Also filed as: NAGUMO KATSUYUKI
4 granted patents·111 citations·filing 1985–1987
78Inventor score
Technology areasC07D
Files withTOYAMA CHEMICAL CO LTD4
Top patents by PatentIndex Score
4 records- 0194US4704459AProcess for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediatesTOYAMA CHEMICAL CO LTD·Filed 1986·Granted Nov 3, 1987·67 cites·13 claims
- 0285US4851535ANicotinic acid derivativesTOYAMA CHEMICAL CO LTD·Filed 1987·Granted Jul 25, 1989·24 cites·8 claims
- 0379US4713387AVasodilating and platelet aggregation inhibiting 1,4 dihydropyridines with an imidazolyl or pyridyl containing esterTOYAMA CHEMICAL CO LTD·Filed 1985·Granted Dec 15, 1987·16 cites·36 claims
- 0453US4731370APyridyl ester containing 1,4-dihydropyridine derivatives and salts thereof and pharmaceutical composition containing the sameTOYAMA CHEMICAL CO LTD·Filed 1986·Granted Mar 15, 1988·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →