Inventor · disambiguated record
Norihiko Kitamura
Also filed as: KITAMURA NORIHIKO
3 granted patents·85 citations·filing 1987–1988
72Inventor score
Technology areasA61P
Files withNIPPON ZOKI PHARMACEUTICAL CO3
Top patents by PatentIndex Score
3 records- 0185US4886807ANovel pyrimidopyrimidine derivative, process for producing it and pharmaceutical compositionNIPPON ZOKI PHARMACEUTICAL CO·Filed 1988·Granted Dec 12, 1989·70 cites·4 claims
- 0255US4808587A5-substituted pyrido[2,3-d]pyrimidine-2,4-dionesNIPPON ZOKI PHARMACEUTICAL CO·Filed 1987·Granted Feb 28, 1989·10 cites·15 claims
- 0344US4808618ASubstituted 1,3-dialkylpyrido[4,3-d]pyrimidine-2,4-dionesNIPPON ZOKI PHARMACEUTICAL CO·Filed 1987·Granted Feb 28, 1989·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →