Contact agents for ultrasonic imaging
Patent #: 4572203
Issued on: 02/25/1986
Inventor: Feinstein

Contrast agents for ultrasonic imaging
Patent #: 4718433
Issued on: 01/12/1988
Inventor: Feinstein

Ultrasonic imaging agent and method of preparation
Patent #: 4774958
Issued on: 10/04/1988
Inventor: Feinstein

Ultrasonic echograph with controllable phase coherence
Patent #: 5010885
Issued on: 04/30/1991
Inventor: Fink, et al.

Method and apparatus for the measurement and medical treatment using an ultrasonic wave
Patent #: 5040537
Issued on: 08/20/1991
Inventor: Katakura

Method of measuring regional tissue blood flow
Patent #: 5135000
Issued on: 08/04/1992
Inventor: Akselrod, et al.

Ultrasonic apparatus for therapeutical use
Patent #: 5158071
Issued on: 10/27/1992
Inventor: Umemura, et al.

Image displaying method and device for realizing same in an ultrasonic diagnostic apparatus
Patent #: 5224481
Issued on: 07/06/1993
Inventor: Ishihara, et al.

Ultrasonic diagnostic apparatus and image forming method therefor
Patent #: 5233993
Issued on: 08/10/1993
Inventor: Kawano

Ultrasonic diagnostic apparatus for displaying motion of moving portion by superposing a plurality of differential images
Patent #: 5241473
Issued on: 08/31/1993
Inventor: Ishihara, et al.

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Methods of and systems for examining tissue perfusion using ultrasonic contrast agents
Patent #: 5255683
Issued on: 10/26/1993
Inventor: Monaghan

Method to opacify left ventricle in echocardiography
Patent #: 5302372
Issued on: 04/12/1994
Inventor: Lin, et al.

Ultrasonic processes and circuits for performing them
Patent #: 5410516
Issued on: 04/25/1995
Inventor: Uhlendorf, et al.

Phase imaging and myocardial performance
Patent #: 5415171
Issued on: 05/16/1995
Inventor: Goh, et al.

Mean squared speed and myocardial performance
Patent #: 5419328
Issued on: 05/30/1995
Inventor: Goh, et al.

Ultrasonic contrast agents for color Doppler imaging
Patent #: 5425366
Issued on: 06/20/1995
Inventor: Reinhardt, et al.

Ultrasound therapeutic system
Patent #: 5435311
Issued on: 07/25/1995
Inventor: Umemura, et al.

Ultrasonic diagnosis apparatus
Patent #: 5456255
Issued on: 10/10/1995
Inventor: Abe, et al.

Ultrasonic detection of contrast agents
Patent #: 5456257
Issued on: 10/10/1995
Inventor: Johnson, et al.

Ultrasound diagnosis apparatus
Patent #: 5469849
Issued on: 11/28/1995
Inventor: Sasaki, et al.

Ultrasonic diagnostic scanning for three dimensional display
Patent #: 5474073
Issued on: 12/12/1995
Inventor: Schwartz, et al.

Suspended ultra-sound induced microbubble cavitation imaging
Patent #: 5560364
Issued on: 10/01/1996
Inventor: Porter

Means for increasing sensitivity in non-linear ultrasound imaging systems
Patent #: 5577505
Issued on: 11/26/1996
Inventor: Brock-Fisher, et al.

Transmit beamformer with frequency dependent focus
Patent #: 5608690
Issued on: 03/04/1997
Inventor: Hossack, et al.

Method and apparatus for beamformer system with variable aperture
Patent #: 5617862
Issued on: 04/08/1997
Inventor: Cole, et al.

Method of ultrasound imaging and diagnostic ultrasound system
Patent #: 5628322
Issued on: 05/13/1997
Inventor: Mine

Ultrasound imaging system employing phase inversion subtraction to enhance the image
Patent #: 5632277
Issued on: 05/27/1997
Inventor: Chapman, et al.

Suspended ultra-sound microbubble imaging
Patent #: 5685310
Issued on: 11/11/1997
Inventor: Porter

Ultrasonic diagnostic imaging with harmonic contrast agents
Patent #: 5706819
Issued on: 01/13/1998
Inventor: Hwang, et al.

Ultrasound imaging preferable to ultrasound contrast echography
Patent #: 5724976
Issued on: 03/10/1998
Inventor: Mine, et al.

Method of enhancing and prolonging the effect of ultrasound contrast agents
Patent #: 5735281
Issued on: 04/07/1998
Inventor: Rafter, et al.

Ultrasonic harmonic imaging system and method Patent #: 5740128
Issued on: 04/14/1998
Inventor: Hossack, et al.