Inventor · disambiguated record
Katsumi Chiba
Also filed as: CHIBA KATSUMI
4 granted patents·99 citations·filing 1986–1997
72Inventor score
Files withDAINIPPON PHARMACEUTICAL CO4
Top patents by PatentIndex Score
4 records- 0187US5817669ACompounds, processes for the preparation thereof and anti-tumor agentsDAINIPPON PHARMACEUTICAL CO·Filed 1995·Granted Oct 6, 1998·89 cites·21 claims
- 0272US4738968A1,8-naphthyridine derivatives useful as anti-bacterial agentsDAINIPPON PHARMACEUTICAL CO·Filed 1986·Granted Apr 19, 1988·10 cites·8 claims
- 0328US5990106ABicyclic amino group-substituted pyridonecarboxylic acid derivatives, esters thereof and salts thereof, and bicyclic amines useful as intermediates thereofDAINIPPON PHARMACEUTICAL CO·Filed 1995·Granted Nov 23, 1999·0 cites·8 claims
- 0423US6017911APyridonecarboxylic acid derivatives and intermediates for the synthesis thereofDAINIPPON PHARMACEUTICAL CO·Filed 1997·Granted Jan 25, 2000·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →