Inventor · Austin, TX, US

Jonathan Ophir

19Patents
14h-index
9Co-inventors
71Inventor score

Filing activity: May 4, 1979 → Jul 11, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5178147A Method and apparatus for elastographic measurement and imaging Physics 106 Expired
US6270459A Method for estimating and imaging of transverse displacements, transverse strains and strain ratios Human Necessities 105 Expired
US4669482A Pulse echo method and apparatus for sound velocity estimation in vivo Physics 103 Expired
US5474070A Method and apparatus for elastographic measurement and imaging Physics 93 Expired
US5107837A Method and apparatus for measurement and imaging of tissue compressibility or compliance Physics 85 Expired
US5293870A Method and apparatus for elastographic measurement and imaging Physics 65 Expired
US4406153A Ultrasonic beam characterization device Physics 57 Expired
US6687625B2 Method and apparatus for feature tracking strain estimation for elastography Physics 50 Expired
US6494834B2 Power spectral strain estimators in elastography Physics 49 Expired
US4286455A Ultrasound phantom Physics 41 Expired
US4389893A Precision ultrasound attenuation measurement Physics 29 Expired
US4777958A Method for enhancing the accuracy of in vivo sound velocity estimation Physics 19 Expired
US5143070A Transaxial compression technique for sound velocity estimation Physics 16 Expired
US5247937A Transaxial compression technique for sound velocity estimation Physics 15 Expired
US4993416A System for ultrasonic pan focal imaging and axial beam translation Physics 13 Expired
US4807635A Pulse centroid echo method and apparatus for enhanced sound velocity estimation in vivo Physics 12 Expired
US4878500A Multi-beam tracking for angle error correction in speed of sound estimations Physics 8 Expired
US7905148B2 Method for imaging strain of a target body Human Necessities 8 Active
US7779692B2 Method for estimating strain, strain ratios and displacements in a target body Human Necessities 1 Active

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