Inventor

Stephen W. Flax

Inventor

Waukesha, WI, US

Overview

1984–1999

Patent span

Physics

Primary field (CPC G)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Sprimary

G01SRadio direction-finding24%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves20%

A61BDiagnosis15%

G01NInvestigating or analysing materials by determining their chemical or physical properties12%

G01RMeasuring electric variables12%

G09BEducational or demonstration appliances7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

G06FElectric digital data processing2%

G10KSound-producing devices2%

PatentTitleYear

5,886,245'Ultrasonic system evaluation phantoms'1999 5,656,763'Method for evaluating imaging capabilities of an ultrasound system'1997 5,560,242'Ultrasonic system evaluation phantoms'1996 5,551,020'System for the compacting and logical linking of data blocks in files to optimize available physical storage'1996 5,200,700'Reduction of NMR artifacts caused by time varying linear geometric distortion'1993 5,051,903'Method and apparatus for predicting values of a varying periodic phenomenon'1991 4,994,744'Method for combining acquired NMR data to suppress motion artifacts'1991 4,994,743'Method for monitoring respiration with acquired NMR data'1991 4,989,143'Adaptive coherent energy beam formation using iterative phase conjugation'1991 4,621,645'Method of estimating tissue attenuation using wideband ultrasonic pulse and apparatus for use therein'1986 4,587,973'Ultrasonic method and means for measuring blood flow and the like using autocorrelation'1986 4,567,898'Method and means for imaging obstructed blood vessels'1986 4,546,772'Method and means for determining ultrasonic wave attenuation in tissue using phase locked loop'1985 4,534,359'Method and means for determining frequency selective tissue attenuation in a baseband ultrasonic imaging system'1985 4,515,163'Method and a means for determining ultrasonic wave attenuation in tissue using zero crossing detector functioning within a specified frequency band'1985 4,475,400'Method and means for improving image in an ultrasonic scanning system'1984 4,475,395'Method for recognizing different frequency dependent scatter mechanisms in non-homogeneous tissues'1984 4,475,397'Method and means for attaining ultrasonic attenuation by vector sample averaging'1984 4,475,396'Method of determining ultrasonic attenuation of tissue using reflective tomographic reconstruction'1984 4,463,592'Method of determining operating characteristics of ultrasonic scanning systems'1984 4,453,550'Method and means for detecting a periodic wave structure'1984 4,452,085'Method and means for generating time gain compensation control signal for use in ultrasonic scanner and the like'1984 4,441,368'Method and means for determining ultrasonic wave attenuation in tissue'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1993Patents assigned to GEN ELECTRIC (19)· patent assignee history

1984–1986Based in Waukesha, WI, US· patent location history

1991–1999Based in Wauwatosa, WI, US· patent location history

1996–1999Patents assigned to FLEXTECH SYSTEMS INC (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	19	1984–1993
FLEXTECH SYSTEMS INC	4	1996–1999

Locations

Location	Patents	Span
Waukesha, WI, US	14	1984–1986
Wauwatosa, WI, US	9	1991–1999