Inventor · disambiguated record
John P. Castagna
Also filed as: CASTAGNA JOHN · CASTAGNA JOHN P
4 granted patents·175 citations·filing 1986–2013
79Inventor score
Technology areasG01V
Top patents by PatentIndex Score
4 records- 0190US6970397B2Determination of fluid properties of earth formations using stochastic inversionGAS TECHNOLOGY INST·Filed 2003·Granted Nov 29, 2005·109 cites·27 claims
- 0277US4701891AMethod and apparatus for measuring formation compression and shear wave velocityATLANTIC RICHFIELD CO·Filed 1986·Granted Oct 20, 1987·45 cites·5 claims
- 0359US6985815B2Instantaneous spectral analysisGAS TECHNOLOGY INST·Filed 2003·Granted Jan 10, 2006·20 cites·6 claims
- 0451US9507042B2System and method for constrained least-squares spectral processing and analysis of seismic dataLumina Geophysical LLC·Filed 2013·Granted Nov 29, 2016·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →