Nobuhito Suehira has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: An information obtaining apparatus includes a comparison unit configured to compare characteristic information in a first region in an image corresponding to object information with characteristic information in a second region that is different from the first region and a display control unit configured to display information based on a result of the comparison on a display unit.
Abstract: An information processing apparatus includes: a signal acquiring unit configured to acquire a photoacoustic signal, which has been obtained based on an acoustic wave generated from an object by irradiating light to different positions on the object for a plurality of times; a region setting unit configured to set a first region and a second region inside the object, based on a distance from a position at which a light axis of the light intersects with the object; and a generating unit configured to generate a first reconstructed image by using a photoacoustic signal corresponding to an acoustic wave generated from the first region, and to generate a second reconstructed image by using a photoacoustic signal corresponding to an acoustic wave generated from the second region.
Abstract: An object information acquiring apparatus is used that includes: an ultrasound probe that receives an acoustic wave propagating from an object and outputs an electric signal; and a processor that generates an image of the inside of the object, using the electric signal. The processor creates a frequency distribution of pixel values included in a region of interest including a point of interest in the image, classifies the point of interest on the basis of the shape of the frequency distribution and the position of the point of interest in the frequency distribution, and determines a pixel value of the point of interest on the basis of a classification result of the point of interest.
Abstract: An ultrasound receiving apparatus of the present invention includes an ultrasound generation member. The ultrasound generation member is a sheet-shaped light absorbing member which is in acoustic contact with an acoustic liquid disposed between the subject and the ultrasound receiving array so as to acoustically combine the subject and the ultrasound receiving array, and is stretched in the acoustic liquid to be located between the subject and the ultrasound receiving array.
Abstract: The present invention employs an information processing apparatus, comprising: an information processing unit configured to: acquire concentration information, which indicates a spatial distribution of concentration of a substance constituting an object and which originates from a photoacoustic wave generated by light irradiation of the object; and correct, based on the concentration in a specific position of the object in the concentration information, the concentration in a deep region of the object deeper than the specific position in the concentration information.
Abstract: A processing apparatus having a processor acquiring image data indicating oxygen saturation distribution inside an object by using signals derived from acoustic waves generated from a plurality of wavelengths of light. The processor acquires an oxygen saturation at a first position of a blood vessel of the object, generated by image reconstruction using signals, acquires a first correction amount to correct the oxygen saturation at the first position of the blood vessel, and acquires a second correction amount to correct the oxygen saturation in a second position of the object other than the first position, based on the first correction amount.
Abstract: It is sometimes difficult for an operator who is not well familiar with an apparatus to acquire a desired image. An object-information acquisition apparatus includes a light source configured to emit light, a photoacoustic-wave detecting unit configured to detect photoacoustic waves generated when the light is applied an object, a measurement-mode selecting unit, and a measurement-condition determination unit configured to determine at least one of measurement conditions including a wavelength of the light to be emitted by the light source and a central reception frequency of the photoacoustic-wave detecting unit on the basis of the measurement mode selected by the measurement-mode selecting unit.
Abstract: A processing apparatus, comprises: a first acquirer configured to acquire a first specific information distribution of an object based on acoustic waves propagating from the object onto which light is irradiated; a second acquirer configured to acquire a characteristic value of the first specific information distribution of the object; a third acquirer configured to acquire information indicating a correspondence between an optical coefficient and the characteristic value of the first specific information distribution; and a fourth acquirer configured to acquire the optical coefficient of the object using the characteristic value of the first specific information distribution of the object and the information indicating the correspondence.
Abstract: An ultrasonic apparatus includes an ultrasonic wave generating member having a light absorbing member that generates an ultrasonic wave when irradiated by a light from a light irradiating portion, and a transducer that detects the ultrasonic wave and converts the ultrasonic wave into an electric signal. The ultrasonic wave generating member includes an area that has a different light absorption coefficient in an irradiation area irradiated by the light from the light irradiating portion. Furthermore, in an area in which the light absorbing member is disposed, when an area irradiated by the light from the light irradiating portion is referred to as a transmitted ultrasonic wave generating area, the transmitted ultrasonic wave generating area functions as a surface sound source.
Abstract: A photoacoustic ultrasonic imaging apparatus includes a light emitting portion configured to emit pulsed light; a photoacoustic sound source configured to absorb the pulsed light and generate photoacoustic waves to be transmitted toward a subject; a plurality of transducers configured to receive photoacoustic waves reflected by the subject and output electric signals; and an information processor configured to output a photoacoustic ultrasonic echo image of the subject by using the electric signals. The information processor is configured to calculate the photoacoustic ultrasonic echo image on the basis of positional information on the photoacoustic sound source.
January 20, 2017
July 27, 2017
Fumitaro MASAKI, Nobuhito SUEHIRA, Kazuhiko FUKUTANI, Takuro MIYASATO, Robert A KRUGER
Abstract: In the performance evaluation of a photoacoustic measurement apparatus using a phantom, an increase in the accuracy of the evaluation of the apparatus is improved. A phantom capable of being used to evaluate a photoacoustic measurement apparatus includes a recording unit having stored therein information regarding a temporal change in an optical characteristic or an acoustic characteristic of the phantom.
Abstract: An apparatus for acquiring object information according to the present invention includes an information acquisition unit acquiring characteristic information inside the object, wherein the information acquisition unit generates intensity distribution data corresponding to an initial sound pressure distribution, acquires, from values included in the intensity distribution data, a plurality of representative values corresponding to propagation distances of the light, and acquires an effective attenuation coefficient inside the object on the basis of the plurality of representative values.
Abstract: An imprint apparatus forms a pattern of an imprint material on a substrate by using a mold, while effecting alignment control of a mold and a substrate with respect to an in-plane direction of the substrate. A mold holding portion holds the mold. A substrate holding portion holds the substrate. A control portion effects control so that the mold and the substrate are brought near to each other while effecting the alignment control, based on a driving profile, after the alignment control is started, to bring the mold and the imprint material into contact with each other. The imprint material is then cured. The control portion changes the driving profile for the alignment control after the alignment control is started and at least one of before and after the mold contacts the imprint material.
Abstract: An object information acquiring apparatus includes a light source, a light absorbing member configured to absorb light radiated from the light source to generate a transmit-ultrasound wave that is a planar wave, a detecting element configured to receive an acoustic wave to output an electric signal, an information processing unit configured to acquire characteristic information on an object using the electric signal. The detecting element receives an ultrasound wave resulting from reflection or scattering of the transmit-ultrasound wave in the object, as an acoustic wave.
September 2, 2016
March 9, 2017
Fumitaro Masaki, Nobuhito Suehira, Kazuhiko Fukutani, Takuro Miyasato, Robert A. Kruger
Abstract: An object information acquiring apparatus comprises a light irradiation unit configured to irradiate an object with light; a sound generating member arranged between the object and the light irradiation unit and configured to generate a substantially planar ultrasonic wave based on the irradiated light; an acoustic wave probe configured to acquire an acoustic wave generated inside the object due to the light and convert the acoustic wave into a first electric signal; and an information generating unit configured to generate information concerning optical characteristics of an interior of the object, based on the first electric signal, wherein the sound generating member allows a part of the light irradiated from the light irradiation unit to pass through the sound generating member to the object.
Abstract: An object information acquiring apparatus includes: an acoustic wave generating member which absorbs light and generates an acoustic wave; an irradiating unit which irradiates an object or the acoustic wave generating member with light; a detector which detects an acoustic wave propagating from the object; a signal processing unit which generates object information that is information of the inside of the object, based on a signal output from the detector; and a switching unit which performs switching between a first mode in which a first acoustic wave generated inside the object due to irradiation of the light is detected by the detector and a second mode in which a second acoustic wave generated by the acoustic wave generating member due to irradiation of the light and having propagated inside the object is detected by the detector.
September 2, 2016
March 9, 2017
Takuro Miyasato, Kazuhiko Fukutani, Fumitaro Masaki, Nobuhito Suehira, Robert A Kruger
Abstract: An imprint apparatus performs alignment control of a mold and a substrate. A pattern formed on the mold is transferred onto a pattern forming layer on the substrate. A mold holding portion holds the mold, a substrate holding portion holds the substrate, and a control portion effects control so that the mold and the substrate are brought near to each other during the alignment control. The mold and the pattern forming layer are brought into contact with each other and then the pattern forming layer is cured. The control portion changes a driving profile for the alignment control after the alignment control is started and at least one of before and after the mold contacts the pattern forming layer. The driving profile used to move at least one of the mold holding portion and the substrate holding portion to a target position, and includes at least one of acceleration, speed, driving voltage, and driving current.
Abstract: An imprinting method in which alignment control of a mold and a substrate is effected and a pattern formed on the mold is transferred onto a pattern forming layer provided on the substrate. The imprinting method includes a step in which the mold and the substrate are brought near to each other while effecting the alignment control, after the alignment control is started, to bring the mold and the pattern forming layer into contact with each other, and then, the pattern forming layer is cured, and a step in which the gap between the mold and the substrate is increased, after the pattern forming layer is cured. Further, the alignment control is stopped after the alignment control is started, and at least one of before and after the mold contacts the pattern forming layer.
Abstract: An imprint method for imprinting an imprint pattern of a mold onto a pattern formation material on a substrate so as to realize a high throughput includes the steps of bringing the imprint pattern and the pattern formation material into contact with each other; applying a first pressure between the mold and the substrate to increase a contact area between the imprint pattern and the pattern formation material; and adjusting a positional relationship between the mold and the substrate at a second pressure lower than the first pressure.
Abstract: The present invention relates to an apparatus having a simple configuration capable of correctly detecting malfunction of an OCT apparatus by detecting the states of a light source and a sensor. An image pickup apparatus includes a switching unit that switches between a first mode in which a combined light beam of a return light beam from a specimen and a reference light beam is detectable by a detecting unit and a second mode in which the reference light beam is detectable by the detecting unit. The image pickup apparatus is switchable to the first mode on the basis of an intensity of the reference light beam detected by the detecting unit in the second mode.