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Kazuhiko Fukutani, Yokohama-Shi JP

Kazuhiko Fukutani, Yokohama-Shi JP

Patent application numberDescriptionPublished
20080306371INTRAVITAL-INFORMATION IMAGING APPARATUS - An intravital-information imaging apparatus includes light sources for irradiating a living body with light, and acoustic-wave detectors that detect acoustic waves generated from a light absorber having absorbed part of energy of the light from the light sources, the light absorber existing in the living body. Furthermore, the intravital-information imaging apparatus includes signal processors that calculate information representing a distribution of optical characteristic values of the living body using sound pressures of the acoustic waves generated from the light absorber.12-11-2008
20090002685BIOLOGICAL INFORMATION IMAGING APPARATUS, BIOLOGICAL INFORMATION ANALYZING METHOD, AND BIOLOGICAL INFORMATION IMAGING METHOD - A biological information imaging apparatus includes: a light source; an acoustic, wave detector that detects an acoustic wave generated from a light absorption material in a living body that has absorbed a part of energy of light irradiated from the light source to the living body, and converts it into a first electric signal; a photodetector that detects optical intensity of a portion of the light irradiated from the light source to the living body and propagating in the living body, and converts it into a second electric signal; and a calculation unit that calculates optical property distribution information on the living body by making use of an analytical result of one of the first electric signal and the second electric signal for analysis of the other electric signal.01-01-2009
20090005685ULTRASONIC PROBE AND INSPECTION APPARATUS EQUIPPED WITH THE ULTRASONIC PROBE - An ultrasonic probe includes a light irradiating portion configured to radiate light for generating ultrasonic waves from a light absorber, an ultrasonic transducing portion configured to transduce the ultrasonic waves to an electric signal, and a light guide member configured to introduce light from a light source to the light irradiating portion. A light irradiating region of the light irradiating portion is included within an ultrasonic receiving region of the ultrasonic transducing portion.01-01-2009
20090198128BIOLOGICAL INFORMATION IMAGING APPARATUS AND METHOD FOR ANALYZING BIOLOGICAL INFORMATION - There are provided a biological information imaging apparatus that can measure ultrasound generated from an optical absorber in a deep part of a subject living bodywith high sensitivity, and a method for analyzing biological information using the biological information imaging apparatus. The biological information imaging apparatus that detects ultrasound and images biological information, includes: a light source that irradiates the subject with light for generating ultrasound from an optical absorber existing in the subject; an ultrasound transmission unit that transmits focus ultrasound to a specific region where the optical absorber exists; and an ultrasound detection unit that detects an ultrasound synthesized signal due to interaction between ultrasound generated from the optical absorber that absorbs the light and the focus ultrasound transmitted to the specific region.08-06-2009
20100049049BIOLOGICAL INFORMATION IMAGING APPARATUS AND BIOLOGICAL INFORMATION IMAGING METHOD - A biological information imaging method includes a first measurement step to measure an acoustic wave (02-25-2010
20100053618Photoacoustic Apparatus, and Probe for Receiving Photoacoustic Waves - A photoacoustic apparatus obtains information on a specimen by receiving photoacoustic waves which are generated from the specimen resulting from light irradiated to the specimen. The apparatus includes a light source for irradiating light to the specimen, an acoustic wave receiver for receiving the photoacoustic waves, and a light reflection member for causing the light, which is radiated out of the specimen by optical diffusion thereof after having entered an interior of the specimen from the light source, to reenter the interior of the specimen, wherein the light reflection member allows elastic waves to pass therethrough. As a result, a photoacoustic apparatus and a probe are provided which can confine scattered light from the specimen into the specimen, and which can reliably prevent photoacoustic waves from being generated from a receiving element region of the probe by the scattered light.03-04-2010
20100087733BIOLOGICAL INFORMATION PROCESSING APPARATUS AND BIOLOGICAL INFORMATION PROCESSING METHOD - A biological information processing apparatus has a light source 04-08-2010
20100174197BIOLOGICAL INFORMATION IMAGING APPARATUS - A living body information imaging apparatus includes a member that is adapted to be introduced into an interior of a living body and has a light irradiation portion for irradiating light with an angle of irradiation equal to or more than 2π steradian to the interior of the living body, and a signal detector that is arranged outside the living body and detects a signal output based on light irradiation in the interior of the living body by the member having the light irradiation portion.07-08-2010
20100191109BIOLOGICAL INFORMATION PROCESSING APPARATUS AND BIOLOGICAL INFORMATION PROCESSING METHOD - A biological information processing apparatus includes: a light source 07-29-2010
20100331662PHOTOACOUSTIC IMAGING APPARATUS AND PHOTOACOUSTIC IMAGING METHOD - A photoacoustic wave detector detects a photoacoustic wave generated inside a specimen by light irradiated thereto. A signal processing device: forms first volume data from a first signal, the first signal being the detection signal acquired from the detector or a signal obtained by adjusting an amplitude of the detection signal; forms second volume data from a second signal, the second signal being a signal obtained by changing a phase of the first signal; forms third volume data from the first and second volume data; and generates and outputs image data representing information on an interior of the specimen from the third volume data.12-30-2010
20100331707BIOLOGICAL INFORMATION IMAGING APPARATUS, BIOLOGICAL INFORMATION ANALYZING METHOD, AND BIOLOGICAL INFORMATION IMAGING METHOD - A biological information imaging apparatus includes: a light source; an acoustic wave detector that detects an acoustic wave generated from a light absorption material in a living body that has absorbed a part of energy of light irradiated from the light source to the living body, and converts it into a first electric signal; a photodetector that detects optical intensity of a portion of the light irradiated from the light source to the living body and propagating in the living body, and converts it into a second electric signal; and a calculation unit that calculates optical property distribution information on the living body by making use of an analytical result of one of the first electric signal and the second electric signal for analysis of the other electric signal.12-30-2010
20110112391PHOTOACOUSTIC MEASUREMENT APPARATUS - A measurement apparatus capable of measuring a position and a size of an absorber with high accuracy, which includes: a light source unit for emitting a pulse beam; an illumination optical unit for leading the pulse beam emitted by the light source unit to an inside of an inspection object; and an acoustic signal detection unit for detecting a photoacoustic signal generated by the pulse beam in which the illumination optical unit includes a first and second illumination optical units that are arranged so that the inspection object is irradiated with the pulse beam from both sides thereof opposingly; and the acoustic signal detection unit is provided so that a detection surface of the acoustic signal detection unit is positioned on the same side as that of one of irradiation surfaces of the inspection object which the first and second illumination optical units irradiate with the pulse beam.05-12-2011
20110128816RECEIVED DATA PROCESSING APPARATUS OF PHOTOACOUSTIC TOMOGRAPHY - There is provided a received data processing apparatus of photoacoustic tomography including a minimum constitution unit data composition unit that sequentially reads receiving digital signals from first storage units and composes minimum constitution unit data of the acoustic wave of the minimum constitution units by performing a delay-and-sum process; a second storage unit that stores the minimum constitution unit data of the entire region of the specimen; an image construction unit that constructs an image of the specimen based on the minimum constitution unit data stored in the second storage unit; and a control unit that sequentially stores the minimum constitution unit data calculated by the minimum constitution unit data composition unit in the second storage unit and reads the stored minimum constitution unit data of the entire region of the specimen to transmit the minimum constitution unit data to the image construction unit.06-02-2011

Patent applications by Kazuhiko Fukutani, Yokohama-Shi JP