Inventor · disambiguated record
Davion Onuga Clark
Also filed as: CLARK DAVION · CLARK DAVION ONUGA
6 granted patents·1 pending application·190 citations·filing 2010–2018
85Inventor score
Top patents by PatentIndex Score
7 records- 0197US8394348B1Three-way catalyst having a upstream multi-layer catalystUMICORE AG & CO KG·Filed 2012·Granted Mar 12, 2013·55 cites·15 claims
- 0296US8323599B2Three-way catalyst having an upstream multi-layer catalystNUNAN JOHN G·Filed 2010·Granted Dec 4, 2012·44 cites·15 claims
- 0394US8557204B2Three-way catalyst having an upstream single-layer catalystNUNAN JOHN G·Filed 2010·Granted Oct 15, 2013·51 cites·14 claims
- 0491US8968690B2Three-way catalyst having an upstream single-layer catalystNUNAN JOHN G·Filed 2011·Granted Mar 3, 2015·33 cites·15 claims
- 0577US8448421B2HC adsorber with OBD capabilityBAILEY OWEN HERMAN·Filed 2010·Granted May 28, 2013·7 cites·8 claims
- 0649US10711674B2Passive nitrogen oxide adsorber catalystUMICORE AG & CO KG·Filed 2017·Granted Jul 14, 2020·0 cites·23 claims
- 0744US2020263585A1Passive nitrogen oxide adsorber catalystUMICORE AG & CO KG·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →