Inventor · disambiguated record

Koichi Kumakura

Also filed as: KUMAKURA KOICHI

2 granted patents·20 citations·filing 1982–1984

61Inventor score

Technology areasA61P C07D

Files withNIPPON CHEMIPHAR CO2

Top patents by PatentIndex Score

2 records

0178US4596803APiperazine derivatives and a medicine containing the sameNIPPON CHEMIPHAR CO·Filed 1984·Granted Jun 24, 1986·10 cites·11 claims
0269US4507297APiperazine derivatives and a medicine containing the sameNIPPON CHEMIPHAR CO·Filed 1982·Granted Mar 26, 1985·10 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →