Inventor · Houston, TX, US

Arthur Cheng

31Patents

6h-index

52Co-inventors

72Inventor score

Filing activity: May 21, 1997 → May 25, 2018

Most-cited inventions

Patent	Title	Area	Cited by	Status
US5841280A	Apparatus and method for combined acoustic and seismoelectric logging measurements	Physics	56	Expired
US5784333A	Method for estimating permeability of earth formations by processing stoneley waves from an acoustic wellbore logging instrument	Physics	47	Expired
US6098021A	Estimating formation stress using borehole monopole and cross-dipole acoustic measurements: theory and method	Physics	44	Expired
USD565183S1	Flexible printed circuit board electrode assembly for measurement of electrophysiological signals	General	34	Expired
USD565182S1	Apparatus for measuring electrophysiological signals	General	20	Expired
US9705239B2	Flexible electrode assembly and apparatus for measuring electrophysiological signals	Human Necessities	10	Active
US9784876B2	Characterizing a downhole environment using stiffness coefficients	Physics	5	Active
US9110166B2	Acoustic imaging	Physics	4	Active
US9606254B2	Determining cement impedance from a formation boundary	Physics	4	Active
US9322807B2	Ultrasonic signal time-frequency decomposition for borehole evaluation or pipeline inspection	Physics	3	Active
US10267941B2	Estimate of formation mobility from Stoneley waveforms	Physics	3	Active
US7392135B2	Adaptive equalization of downhole acoustic receivers	Physics	3	Expired
US9529105B2	Acoustic logging systems and methods employing multi-mode inversion for anisotropy and shear slowness	Physics	3	Active
US9757770B2	Asymmetric bender bar transducer	Electricity	2	Active
US9519073B2	Differential phase semblance apparatus, systems, and methods	Physics	2	Active
US9631483B2	Joint time-frequency processing for borehole acoustic arrays	Physics	2	Active
US9348052B2	Analytic estimation apparatus, methods, and systems	Physics	2	Active
US9891336B2	Acoustic isolator for downhole tools	Physics	2	Active
US9322947B2	Acoustic receiver assembly for downhole tools	Physics	2	Active
US10294772B2	Circumferential array borehole evaluation tool	Physics	1	Active
US10317555B2	Method of minimizing tool response for downhole logging operations	Physics	1	Active
US9631476B2	Variable stiffness downhole tool housing	Physics	1	Active
US10712466B2	Casing thickness measurement using acoustic wave correlation	Physics	1	Active
US10301932B2	Ultrasonic casing and cement evaluation method using a ray tracing model	Physics	1	Active
US9513396B2	Formation property determination apparatus, methods, and systems	Physics	1	Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.