Patents by Inventor Nobuhito Suehira

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).

  • Patent number: 10990005
    Abstract: A method in which alignment control of a member and a substrate is effected with respect to an in-plane direction of the substrate and an uncured material in a state of bringing a member and the uncured material on a substrate into contact with each other is cured. The method includes a step of bringing the member and the substrate near to each other while effecting the alignment control, based on a driving profile, after the alignment control is started, to bring the member and the uncured material into contact with each other, and then the uncured material is cured, and a step of increasing a gap between the member and the substrate, after the uncured material is cured, wherein the driving profile for the alignment control after the alignment control is started and at least one of before and after the member contacts the uncured material is changed.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: April 27, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shingo Okushima, Nobuhito Suehira, Junichi Seki, Kazuyuki Kasumi
  • Patent number: 10849537
    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.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: December 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Nobuhito Suehira
  • Publication number: 20200241411
    Abstract: A method in which alignment control of a member and a substrate is effected with respect to an in-plane direction of the substrate and an uncured material in a state of bringing a member and the uncured material on a substrate into contact with each other is cured. The method includes a step of bringing the member and the substrate near to each other while effecting the alignment control, based on a driving profile, after the alignment control is started, to bring the member and the uncured material into contact with each other, and then the uncured material is cured, and a step of increasing a gap between the member and the substrate, after the uncured material is cured, wherein the driving profile for the alignment control after the alignment control is started and at least one of before and after the member contacts the uncured material is changed.
    Type: Application
    Filed: April 10, 2020
    Publication date: July 30, 2020
    Inventors: Shingo Okushima, Nobuhito Suehira, Junichi Seki, Kazuyuki Kasumi
  • Patent number: 10687701
    Abstract: A tomographic-image pickup unit is controlled so as to capture a tomographic image in response to a signal input from a signal input unit. Then, a display unit is controlled so as to display the captured tomographic image. An eyeground-image pickup unit is controlled so as to capture a two-dimensional image in response to a signal input from the signal input unit while the tomographic image is displayed on the display unit. Therewith, the user can more easily perform imaging, and the time load on the subject is reduced.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: June 23, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenji Muto, Yasuyuki Numajiri, Nobuhito Suehira, Makoto Sato, Yukio Sakagawa, Akihiro Katayama
  • Patent number: 10670961
    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.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: June 2, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shingo Okushima, Nobuhito Suehira, Junichi Seki, Kazuyuki Kasumi
  • Patent number: 10582857
    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.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: March 10, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuhito Suehira, Fumitaro Masaki, Kazuhiko Fukutani, Takuro Miyasato
  • Patent number: 10537249
    Abstract: A signal processing method for a plurality of reception signals, wherein a plurality of reception elements are each configured to receive acoustic waves and output a reception signal at a plurality of sampling times, includes generating a representative value signal from the plurality of reception signals, except for reception signals having amplitudes that are larger than a threshold value among the plurality of reception signals at each sampling time, generating a plurality of differential signals indicating differences between the plurality of reception signals obtained at each sampling time and the representative value signal, and generating image data using the plurality of differential signals.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: January 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuhito Suehira
  • Publication number: 20190374110
    Abstract: A photoacoustic apparatus includes a probe configured to receive an acoustic wave generated from an object in response to irradiation with light and to convert the received acoustic wave into a time-series electric signal; a moving mechanism configured to move the probe with respect to the object; a controller configured to perform the irradiation of the object with light; a determination unit configured to determine whether or not a peak of a waveform of the time-series electric signal is present within a predetermined time range from a timing at which the irradiation with light has been performed, and a processing unit configured to generate a photoacoustic image based on the time-series electric signal.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 12, 2019
    Inventor: Nobuhito Suehira
  • Publication number: 20190150757
    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.
    Type: Application
    Filed: June 22, 2017
    Publication date: May 23, 2019
    Inventor: Nobuhito Suehira
  • Publication number: 20190130553
    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.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 2, 2019
    Inventors: Nobuhito Suehira, Yukio Furukawa, Shuhei Toba
  • Patent number: 10255661
    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.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: April 9, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Nobuhito Suehira
  • Publication number: 20180242849
    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.
    Type: Application
    Filed: August 12, 2016
    Publication date: August 30, 2018
    Applicant: Canon Kabushiki Kaisha
    Inventors: Kazuhiko Fukutani, Takuro Miyasato, Fumitaro Masaki, Nobuhito Suehira
  • Publication number: 20180220895
    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.
    Type: Application
    Filed: January 25, 2018
    Publication date: August 9, 2018
    Inventors: Fumitaro Masaki, Nobuhito Suehira
  • Publication number: 20180177442
    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.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 28, 2018
    Inventor: Nobuhito Suehira
  • Publication number: 20170303794
    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.
    Type: Application
    Filed: September 24, 2015
    Publication date: October 26, 2017
    Inventor: Nobuhito Suehira
  • Publication number: 20170265749
    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.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 21, 2017
    Inventor: Nobuhito Suehira
  • Publication number: 20170215737
    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.
    Type: Application
    Filed: January 26, 2017
    Publication date: August 3, 2017
    Inventors: Nobuhito Suehira, Fumitaro Masaki, Kazuhiko Fukutani, Takuro Miyasato
  • Publication number: 20170209119
    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.
    Type: Application
    Filed: January 20, 2017
    Publication date: July 27, 2017
    Inventors: Fumitaro MASAKI, Nobuhito SUEHIRA, Kazuhiko FUKUTANI, Takuro MIYASATO, Robert A KRUGER
  • Publication number: 20170156708
    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.
    Type: Application
    Filed: November 28, 2016
    Publication date: June 8, 2017
    Inventors: Nobuhito Suehira, Ryo Ogawa, Takahiro Suita, Hisafumi Ebisawa
  • Publication number: 20170119253
    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.
    Type: Application
    Filed: October 25, 2016
    Publication date: May 4, 2017
    Inventors: Nobuhito Suehira, Takuro Miyasato