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Azuma; Takashi
Kodaira, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8132462 Ultrasonographic device March 13, 2012
The receive sensitivity of an ultrasound array transducer structured with a diaphragm electro-acoustic transducer (101) being a basic unit is affected by change in a charge amount with elapsed time due to leakage or the like, which causes drift of the primary beam sensitivity, degradatio
8118745 Ultrasound imaging apparatus February 21, 2012
With a natural number n, an ultrasound pulse having a center frequency of nf.sub.0 is transmitted, and an echo wave produced by the reflection at an acoustic-impedance interface within the object to be examined is received. Another ultrasound pulse having a center frequency of (n+1)f
7946992 Velocity measuring method and velocity measuring device using the same May 24, 2011
The present invention is to provide a velocity measuring method and a velocity measuring device for carrying out the method. The velocity measuring method includes: a step (S4) for expanding N time series signals by using 0-th to (N-1)-th degree discrete Legendre function as a base;
7125387 Ultrasonic apparatus for therapeutical use October 24, 2006
According to the invention, an ultrasonic apparatus for therapeutical use suitable for remedy by the irradiation of an ultrasonic wave low in the degree of convergence using medicine that stays in a disease region, reduces the threshold of cavitation caused by an ultrasonic wave and
7115094 Ultrasonic probe, ultrasonic imaging apparatus and ultrasonic imaging method October 3, 2006
An ultrasonic probe is disclosed for reducing the influence of electromagnetic wave leakage to a magnetic resonance imaging (MRI) device even when the probe is inside the MRI gantry. The ultrasonic probe includes a piezoelectric material, an acoustic matching layer provided on the ul
6926671 Ultrasonic imaging apparatus and method August 9, 2005
An ultrasonic imaging apparatus and method combines dynamically focused reception and coded transmission/reception technologies by inexpensive circuitry. A receive aperture is divided into smaller apertures. Correspondingly, a receive beam former is divided into receive sub-beam form
6511428 Ultrasonic medical treating device January 28, 2003
An ultrasound therapy apparatus delivers focused ultrasound for therapeutical purposes which can be correctly targeted to a target region, and also, a positional shift from the target region under irradiation of ultrasound can be effectively avoided. An ultrasound transducer is inside

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