Inventor · disambiguated record
John Frier Willis
Also filed as: WILLIS JOHN · WILLIS JOHN FRIER
2 granted patents·17 citations·filing 2004–2006
58Inventor score
Technology areasG01V
Top patents by PatentIndex Score
2 records- 0160US7609585B2Method for sub-salt migration velocity analysisPGS GEOPHYSICAL AS·Filed 2006·Granted Oct 27, 2009·8 cites·15 claims
- 0240US7388808B2Method for depth migrating seismic data using pre-stack time migration, demigration, and post-stack depth migrationPGS AMERICAS INC·Filed 2004·Granted Jun 17, 2008·9 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →