Inventor · disambiguated record
John Barker
Also filed as: BARKER JOHN · BARKER JOHN M
4 granted patents·12 citations·filing 1988–2017
68Inventor score
Top patents by PatentIndex Score
4 records- 0178US9732085B2Pyridinone and pyrimidinone derivatives as factor XiaONO PHARMACEUTICAL CO·Filed 2012·Granted Aug 15, 2017·5 cites·9 claims
- 0259US4847386AProcess for preparing thiophene derivativesSHELL INT RESEARCH·Filed 1988·Granted Jul 11, 1989·5 cites·12 claims
- 0353US10717738B2Pyrimidinone and its derivatives inhibiting factor XIaONO PHARMACEUTICAL CO·Filed 2017·Granted Jul 21, 2020·0 cites·14 claims
- 0441US5153330AThiapentanamide derivativesSHELL INT RESEARCH·Filed 1991·Granted Oct 6, 1992·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →