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).

  • Publication number: 20180233659
    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: Application
    Filed: February 14, 2018
    Publication date: August 16, 2018
    Inventors: Rie MATSUMOTO, Hiroko ARAI, Shinji YUASA, Hiroshi IMAMURA
  • Publication number: 20180199806
    Abstract: An information processing apparatus includes an acquisition unit configured to acquire a plurality of data sets each of which includes a plurality of pieces of tomographic data that represents a section of a fundus, the plurality of data sets not including the same tomographic data as each other, a first generation unit configured to generate at least one motion contrast image from each of the plurality of data sets acquired by the acquisition unit, without generating a motion contrast image from across the data sets acquired by the acquisition unit, and a second generation unit configured to generate a single motion contrast image representing a cross section at a predetermined position in the fundus, based on the motion contrast image generated from at least one of the plurality of data sets.
    Type: Application
    Filed: January 16, 2018
    Publication date: July 19, 2018
    Inventors: Tomasz Dziubak, Tomasz Bajraszewski, Slawomir Orlowski, Hiroshi Imamura
  • Patent number: 10013727
    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: Grant
    Filed: August 28, 2008
    Date of Patent: July 3, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshihiko Iwase, Akihiro Katayama, Hiroshi Imamura
  • Publication number: 20180173950
    Abstract: An image processing apparatus determines an exceptional frame of a plurality of frames forming a moving image captured by an ophthalmic apparatus including an aberration correction device, and applies image processing of a blood vessel area for a frame, among the plurality of frames, which has not been determined as the exceptional frame.
    Type: Application
    Filed: February 16, 2018
    Publication date: June 21, 2018
    Inventor: Hiroshi Imamura
  • Patent number: 9991236
    Abstract: An LED lamp device includes a plurality of LED elements separately mounted on a substrate and effective to emit light having a first wavelength. A fluorescent element includes a fluorescent material excitable by light emitted from the LED elements to emit light of a second wavelength, and is arranged to cover each LED element with no gaps provided between the fluorescent element and the substrate. The fluorescent element is shaped in accordance with the positioning of the LED elements and the spaces defined there-between such that a proportion of light of the first wavelength with respect to light of the second wavelength is substantially uniform irrespective of light exit direction.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: June 5, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroshi Imamura, Ryoji Yokotani
  • Patent number: 9986909
    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: Grant
    Filed: November 8, 2013
    Date of Patent: June 5, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20180151214
    Abstract: A non-collinear magnetoresistive device, includes: 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: Application
    Filed: May 19, 2016
    Publication date: May 31, 2018
    Inventors: Rie MATSUMOTO, Hiroko ARAI, Shinji YUASA, Hiroshi IMAMURA
  • Patent number: 9980637
    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: Grant
    Filed: July 5, 2016
    Date of Patent: May 29, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20180137942
    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: Application
    Filed: November 30, 2017
    Publication date: May 17, 2018
    Inventors: Yukio SAKAGAWA, Hiroshi IMAMURA, Akihiro KATAYAMA, Hiroyuki SHINBATA
  • Patent number: 9943224
    Abstract: This invention provides an image processing apparatus which allows an operator to easily recognize relevance between morbid portions, which exist in a plurality of layers, according to a disease.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: April 17, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Imamura, Kazuhiro Miyasa
  • Patent number: 9937467
    Abstract: An exhaust gas processing device preheats processing target exhaust gas in the presence of moisture with heat from at least either an electric heater or a heat exchanger and subsequently thermally decomposes the exhaust gas with an atmospheric pressure plasma. A device main body has a heating decomposition chamber therein. A plasma generator is installed at a top surface portion of the device main body. A reactor has a cylindrical shape and is installed within the device main body such that an upper end opening thereof is directed toward a plasma emission port of the plasma generator. A moisture supply unit is provided at an inlet side of the device main body. At least either the electric heater or the heat exchanger is disposed in a first space.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: April 10, 2018
    Assignee: KANKEN TECHNO CO., LTD.
    Inventors: Hiroaki Kaneshiro, Hideki Okamoto, Osamu Hamakawa, Shunsuke Yanai, Hiroshi Imamura
  • Patent number: 9934435
    Abstract: An image processing apparatus determines an exceptional frame of a plurality of frames forming a moving image captured by an ophthalmic apparatus including an aberration correction device, and applies image processing of a blood vessel area for a frame, among the plurality of frames, which has not been determined as the exceptional frame.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: April 3, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20180079001
    Abstract: There is provided a copper powder containing an organic compound containing carbon and nitrogen. The powder has a ratio of carbon content PC (mass %) to specific surface area SSA (m2/g), PC/SSA, of 0.005 to 0.1 and a ratio of nitrogen content PN (mass %) to specific surface area SSA (m2/g), PN/SSA, of 0.001 to 0.05. The organic compound preferably contains two or more of nitrogen atom per molecule and is preferably capable of forming a five-membered ring complex with copper. The organic compound preferably includes one or more of dimethyl glyoxime, ethylenediamine, and polyethyleneimine.
    Type: Application
    Filed: January 19, 2016
    Publication date: March 22, 2018
    Inventors: Yoichi KAMIKORIYAMA, Mami YOSHIDA, Hiroshi IMAMURA, Yuji ASANO
  • Patent number: 9918625
    Abstract: An image processing apparatus generates one image by using at least one frame each of a plurality of moving images obtained by taking moving images of a plurality of different regions of an eye at different times. The apparatus includes a deciding unit configured to decide the at least one frame in each of the plurality of moving images, so that regions which have actually been shot are included in the plurality of moving images in the plurality of regions; and an image generating unit configured to generate one image by using the at least one frames decided from each of the plurality of moving images.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 20, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20180070815
    Abstract: Provided is an ophthalmic diagnosis support apparatus which enables an operator to easily acquire a tomographic image suitable for detailed observation of a candidate lesion without spending time and effort to search for the candidate lesion. The ophthalmic diagnosis support apparatus includes an acquiring unit for acquiring a wide-range image of a fundus, a candidate lesion detection unit for detecting the candidate lesion on the fundus by analyzing the wide-range image, a calculating unit for determining a degree of abnormality of the candidate lesion based on a result of the detection of the candidate lesion, and an acquiring position setting unit for setting an acquiring position of the tomographic image of the fundus based on the degree of abnormality of the candidate lesion.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 15, 2018
    Inventors: Kazuhiro Miyasa, Hiroshi Imamura
  • Patent number: 9867538
    Abstract: An ophthalmic apparatus includes an AOSLO apparatus, a WFSLO apparatus, and a tracking processor that controls a tracking mirror based on position information calculated from AOSLO and WFSLO images. In another embodiment, the tracking processor controls the tracking mirror based on position information calculated from WFSLO images only. Depending on the amount of movement a target image with respect to a reference image, and the accuracy of detection thereof, the tracking mirror of either the AOSLO apparatus or the WFSLO apparatus can be selectively controlled according to a difference in position of the target image with respect to the reference image.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: January 16, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koji Nozato, Kenichi Saito, Kaishi Ohashi, Akira Sato, Futoshi Hirose, Hiroshi Imamura
  • Publication number: 20180012353
    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: Application
    Filed: March 23, 2016
    Publication date: January 11, 2018
    Inventor: Hiroshi Imamura
  • Publication number: 20180000338
    Abstract: Provided is an image processing apparatus configured to process an image of a fundus of an eye to accurately measure thicknesses of membranes 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; a cell identifying unit configured to identify a cell that forms the wall of the blood vessel based on the membrane candidate points; and a measuring position acquiring unit configured to identify a measuring position regarding the wall of the blood vessel based on a position of the identified cell.
    Type: Application
    Filed: March 23, 2016
    Publication date: January 4, 2018
    Inventor: Hiroshi Imamura
  • Publication number: 20170372132
    Abstract: A medical image processing apparatus includes a unit configured to analyze a target medical image, a unit configured to register information representing an aptitude of each doctor with respect to interpretation of a specific lesion and a modality used by each doctor, and a unit configured to, when the analysis result includes information associated with a lesion, decide an assigned doctor based on information representing the aptitude of each doctor with respect to interpretation of the specific lesion, and, when the analysis result includes no information associated with a lesion, decide an assigned doctor based on the modality.
    Type: Application
    Filed: July 12, 2017
    Publication date: December 28, 2017
    Inventors: Yoshihiko Iwase, Hiroshi Imamura
  • Patent number: 9852269
    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: September 9, 2008
    Date of Patent: December 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yukio Sakagawa, Hiroshi Imamura, Akihiro Katayama, Hiroyuki Shinbata