Inventor · disambiguated record
Isao Kitayama
Also filed as: KITAYAMA ISAO
4 granted patents·132 citations·filing 1979–1987
80Inventor score
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
- 0288US4698352A4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and antibacterial agents containing the sameTOYAMA CHEMICAL CO LTD·Filed 1983·Granted Oct 6, 1987·30 cites·13 claims
- 0385US4851535ANicotinic acid derivativesTOYAMA CHEMICAL CO LTD·Filed 1987·Granted Jul 25, 1989·24 cites·8 claims
- 0467US4472386A5-Fluoro-(β-uridine or 2'-deoxy-β-uridine) derivatives, a process for producing the same and a carcinostatic agent containing the sameTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Sep 18, 1984·11 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →