Patents by Inventor Hiroshi Imamura

Hiroshi Imamura 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: 10383514
    Abstract: An ophthalmologic imaging apparatus acquires a plurality of types of images of an eye including a confocal image and a non-confocal image of the eye. The ophthalmologic imaging apparatus includes a deciding unit configured to decide conditions relating to acquisition of the plurality of types of images, for each type of the plurality of types of images, and a control unit configured to control the ophthalmologic imaging apparatus to acquire at lest one of the plurality of types of images, in accordance with the decided conditions.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: August 20, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hiroshi Imamura
  • Patent number: 10388347
    Abstract: Some embodiments are directed to a non-collinear magnetoresistive device, including a free layer; a fixed layer; and a non-magnetic layer disposed between the free layer and the fixed layer, wherein the fixed layer has an easy magnetization direction in an in-plane direction or in a perpendicular direction, the free layer satisfies at room temperature expressions (1) and (2) below: ERT?1.66×10?19 J??(1) V?5×104 nm3??(2) where ERT=(Ku1,eff+Ku2+Ku1,eff2/4Ku2)×V, Ku1,eff: an effective first-order anisotropy constant, Ku2: a second-order anisotropy constant, and V: a volume, and wherein the free layer is in a cone magnetization state.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: August 20, 2019
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Rie Matsumoto, Hiroko Arai, Shinji Yuasa, Hiroshi Imamura
  • Patent number: 10388012
    Abstract: Provided is an image processing apparatus configured to process an image of a fundus of an eye, which is capable of simply and accurately measuring a distribution of cells that form a blood vessel wall of an eye. The image processing apparatus includes: an image acquiring unit configured to acquire an image of an eye; a vessel feature acquiring unit configured to acquire membrane candidate points that form an arbitrary wall of a blood vessel based on the acquired image; and a cell identifying unit configured to identify a cell that forms the wall of the blood vessel based on the membrane candidate points.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: August 20, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Patent number: 10319902
    Abstract: Some embodiments are directed to a magnetoresistive device, including a free layer having an easy magnetization direction in a perpendicular direction or in an in-plane direction; a fixed layer having the easy magnetization direction which is in the perpendicular direction when the easy magnetization direction of the free layer is in the perpendicular direction or in the in-plane direction when the easy magnetization direction of the free layer is in the in-plane direction; and a non-magnetic layer disposed between the free layer and the fixed layer.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: June 11, 2019
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Rie Matsumoto, Hiroko Arai, Shinji Yuasa, Hiroshi Imamura
  • Patent number: 10307055
    Abstract: An image processing apparatus includes: an acquisition unit configured to acquire a tomogram of an eye portion of a patient to be examined; an information acquisition unit configured to acquire information of a predetermined portion and position information of a predetermined tissue structure from the tomogram; and a calculation unit configured to calculate an evaluation value based on a relationship between the information of the predetermined portion and a position of the predetermined tissue structure.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: June 4, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Patent number: 10297352
    Abstract: A diagnosis support system which performs computer processing of data obtained from an object to be examined and presents the obtained diagnostic information is disclosed. The diagnosis support apparatus includes a diagnosis support processing unit which processes data obtained from the object to extract diagnosis support information, a storage unit which stores the examination history of the object, and a changing unit which changes a processing method in the diagnosis support processing unit in accordance with the examination history of the object stored in the storage unit. In at least one embodiment, diagnosis processing is executed to obtain medical diagnostic information by performing computer processing of data obtained from the object, and the processing method for diagnosis support processing is changed in accordance with the examination history of the object.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: May 21, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yukio Sakagawa, Hiroshi Imamura, Akihiro Katayama, Hiroyuki Shinbata
  • Patent number: 10271726
    Abstract: Provided is an imaging apparatus capable of imaging a confocal image and a nonconfocal image, in which an image intended by an examiner is provided easily and rapidly. The imaging apparatus includes: an acquiring unit configured to acquire a confocal image and a nonconfocal image of an eye to be inspected; a display unit configured to display at least one of the acquired confocal image and the acquired nonconfocal image; an analysis unit configured to analyze the acquired confocal image and the acquired nonconfocal image; and a display control unit configured to change a display form displayed on the display unit in accordance with an analysis result obtained by the analysis unit.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: April 30, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tsutomu Utagawa, Hiroshi Imamura
  • Patent number: 10264960
    Abstract: An information processing apparatus includes: an image acquiring unit configured to acquire a plurality of types of images of an eye, including a confocal image and a non-confocal image of the eye; an analyzing unit configured to analyze the confocal image and the non-confocal image; a deciding unit configured to decide, based on analysis results of one of the confocal image and the non-confocal image, whether or not to analyze the other; and a display control unit configured to display analysis results of the confocal image and the non-confocal image on a display unit, in a case of deciding to analyze the other.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: April 23, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20190069772
    Abstract: An information processing apparatus including an acquisition unit configured to acquire a first three-dimensional optical coherence tomography (OCT) image of a target eye, and a display control unit configured to display, on a display unit, the first three-dimensional OCT image and an interface configured to receive an instruction for acquiring a second three-dimensional OCT image of the target eye, which is an image captured with a fixation target position the same as a fixation target position used in capturing the first three-dimensional OCT image and is to be combined with the first three-dimensional OCT image.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 7, 2019
    Inventor: Hiroshi Imamura
  • Publication number: 20190056875
    Abstract: A storage control device includes circuitry configured to acquire status information indicating a load status and a response status of each of one or more storage devices from the one or more storage devices which are accessed in response to a request transmitted from a host device, detect a first storage device having a load no more than a first threshold value and a response time no less than a second threshold value from the one or more storage devices on the basis of the acquired status information, and execute redundant copy of the detected first storage device.
    Type: Application
    Filed: July 19, 2018
    Publication date: February 21, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Koutarou Nimura, Atsushi IGASHIRA, Yasuhiro Ogasawara, Marie Abe, Hiroshi Imamura
  • Patent number: 10165939
    Abstract: An ophthalmologic apparatus acquires a plurality of images by photographing a plurality of different regions of an eye at different times to generate one image by using the acquired plurality of images. The ophthalmologic apparatus includes a determination unit configured to determine, in the plurality of regions, at least one region that does not include any region actually photographed as the plurality of images, and a control unit configured to control the ophthalmologic apparatus in such a way as to capture an image of the determined region of the eye.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: January 1, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20180353066
    Abstract: An image processing apparatus includes an acquisition unit configured to acquire a tomographic image containing an aqueous humor outflow pathway region that includes at least one of a Schlemm's canal and a collector channel in an anterior ocular segment of a subject's eye, and a generation unit configured to generate an image with the aqueous humor outflow pathway region emphasized or extracted therein based on a luminance value in the tomographic image.
    Type: Application
    Filed: November 25, 2016
    Publication date: December 13, 2018
    Inventors: Akihito Uji, Hiroshi Imamura, Tomoyuki Makihira, Nagahisa Yoshimura
  • Patent number: 10123688
    Abstract: An information processing apparatus includes: an image acquiring unit configured to acquire a plurality of types of images of an eye, including a confocal image and a non-confocal image of the eye; a deciding unit configured to decide a saving format for saving the confocal image and non-confocal image in a storage region; and a saving unit configured to save at least one of the acquired plurality of types of images in the storage region, based on the decided saving format.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 13, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20180314440
    Abstract: A storage controlling apparatus, includes: a memory configured to store a program; and a processor configured to control a plurality of storage devices based on the program, wherein the processor: collects information relating to a data access performed for the plurality of storage devices; and decides performance degradation of a first storage device from among the plurality of storage devices based on a response achievement time period for a first data access request performed for the first storage device, and a response time period average value and a response time period standard deviation which are calculated based on response achievement time periods with respect to a plurality of data access requests performed for the first storage device before the first data access request.
    Type: Application
    Filed: April 25, 2018
    Publication date: November 1, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Marie Abe, Koutarou Nimura, Hiroshi Imamura
  • Patent number: 10098541
    Abstract: An image processing apparatus includes a determination unit configured to determine, as a partial region of a multi-channel fundus image including an optic disk area and a macular area of a subject's eye, one of a region of the multi-channel fundus image which includes the macular area and a region of the multi-channel fundus image which includes the optic disk area, and a generation unit configured to generate an image in which a difference in color of the partial region is enhanced, by applying to the partial region image processing based on a decorrelation stretching method.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: October 16, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Uji, Nagahisa Yoshimura, Hiroshi Imamura, Makoto Sato
  • Publication number: 20180289258
    Abstract: An ophthalmologic imaging apparatus acquires a plurality of types of images of an eye including a confocal image and a non-confocal image of the eye. The ophthalmologic imaging apparatus includes a deciding unit configured to decide conditions relating to acquisition of the plurality of types of images, for each type of the plurality of types of images, and a control unit configured to control the ophthalmologic imaging apparatus to acquire at lest one of the plurality of types of images, in accordance with the decided conditions.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 11, 2018
    Inventor: Hiroshi Imamura
  • Publication number: 20180263492
    Abstract: An image processing apparatus includes an identification unit configured to identify a retinal blood vessel based on a retinal image, a measurement unit configured to measure blood flow information for the blood vessel based on the retinal image, and a display control unit configured to display the measured blood flow information by at least one selected from a depth of the identified blood vessel, a size of the identified blood vessel, and a combination of both.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Inventor: Hiroshi Imamura
  • Publication number: 20180263485
    Abstract: Provided is an information processing apparatus including: a first acquisition unit configured to acquire a plurality of pieces of tomographic data based on measurement light controlled to scan the same position of a fundus; a second acquisition unit configured to acquire a correction coefficient by performing an arithmetic operation on a first approximate parameter obtained by transforming, in a first dimension, a parameter of the tomographic data to be used for calculating a motion contrast, and a second approximate parameter obtained by transforming the parameter in a second dimension smaller than the first dimension; a correction unit configured to correct a parameter of at least one piece of tomographic data through use of the correction coefficient; and a generation unit configured to generate a motion contrast image through use of the at least one piece of tomographic data corrected by the correction unit.
    Type: Application
    Filed: March 13, 2018
    Publication date: September 20, 2018
    Inventors: Riuma Takahashi, Hiroshi Imamura, Hiroki Uchida, Marek Rozanski, Tomasz Dziubak, Tomasz Bajraszewski
  • Publication number: 20180253812
    Abstract: A report concerning the contents obtained by interpretation based on a medical image can be efficiently created without any constraints of expression. An information processing apparatus according to this invention includes an image analysis unit which acquires information concerning a region name or disease name based on an analysis result on the input medical image, an input unit which inputs the result obtained by interpreting the medical image as character information, a conversion candidate prediction unit which outputs conversion candidates concerning the input character information, and a display control unit which displays the input character information upon converting the character information into character information selected from the conversion candidates. The apparatus further includes a priority level setting unit which sets priority levels in advance for character information output as the conversion candidates.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Inventors: Yoshihiko Iwase, Akihiro Katayama, Hiroshi Imamura
  • Publication number: 20180242835
    Abstract: An image processing apparatus includes a processing unit configured to perform, on a luminance distribution acquired in at least one direction crossing a vessel region in a fundus image of a subject's eye, a first smoothing operation for each first size and a second smoothing operation for each second size smaller than the first size; a first identifying unit configured to identify a position of a vascular wall in the fundus image on the basis of the luminance distribution obtained by performing the first smoothing operation; and a second identifying unit configured to identify positions of inner and outer boundaries of the vascular wall in the fundus image on the basis of the luminance distribution obtained by performing the second smoothing operation.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 30, 2018
    Inventor: Hiroshi Imamura