Patents by Inventor Koichi Fukuda

Koichi Fukuda 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: 10545311
    Abstract: One embodiment of the present invention provides an image processing method, the method comprising: acquiring a plurality of viewpoint images; generating a contrast distribution from the plurality of viewpoint images; and generating an output image by performing image processing in accordance with the contrast distribution with respect to an image based on the plurality of viewpoint images.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: January 28, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Koichi Fukuda
  • Publication number: 20200014842
    Abstract: An image capturing apparatus in which a plurality of pixels each having a plurality of photoelectric conversion units for receiving light fluxes that have passed through different partial pupil regions of an imaging optical system are arrayed, wherein an entrance pupil distance Z of the image sensor with respect to a minimum exit pupil distance Lmin of the imaging optical system and the maximum exit pupil distance Lmax of the imaging optical system satisfies a condition of 4 ? ? L min ? L max L min + 3 ? ? L max < Z S < 4 ? ? L min ? L max 3 ? L min + L max .
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventor: Koichi Fukuda
  • Patent number: 10519372
    Abstract: The present invention provides a soil erosion prevention agent which is excellent in the freeze-thaw stability while maintaining the soil erosion prevention effect. When a toluene-insoluble matter of the water-borne resin emulsion is 60 mass % or more and a content of the water-soluble polymer in the soil erosion prevention agent is 1 to 7 mass %, preferably 3 to 5 mass %, the soil erosion prevention agent excellent in the freeze-thaw stability is provided and suitable for greening and a spraying material. The water-borne resin emulsion is preferably a resin containing a structural unit derived from vinyl acetate, or an ethylene-vinyl acetate copolymer emulsion.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: December 31, 2019
    Assignee: DENKA COMPANY LIMITED
    Inventors: Koichi Fukuda, Hironori Konishi, Kazuhiro Kote
  • Publication number: 20190394407
    Abstract: An apparatus includes a generation unit configured to generate a plurality of respective focus detection signals corresponding to different pupil areas by using pixel signals acquired by pixels, and a detection unit configured to calculate an image deviation amount based on the plurality of focus detection signals and detect a defocus amount from the image deviation amount and a conversion coefficient. The detection unit calculates the conversion coefficient based on a pupil eccentric amount of an image sensor, an incident pupil distance of the image sensor, and opening information about a plurality of frames in an imaging optical system.
    Type: Application
    Filed: June 14, 2019
    Publication date: December 26, 2019
    Inventors: Koichi Fukuda, Yu Inagaki
  • Publication number: 20190364220
    Abstract: A focus detection apparatus configured to perform a focus detection using a pixel signal obtained by photoelectrically converting light passing through different pupil areas in an imaging optical system includes an acquirer configured to acquire the pixel signal, a signal generator configured to generate a plurality of focus detection signals corresponding to the different pupil areas using the pixel signal, and a focus detector configured to calculate a detected defocus amount based on the plurality of focus detection signals, and to calculate a corrected defocus amount by correcting the detected defocus amount based on a phase transfer function corresponding to the different pupil areas.
    Type: Application
    Filed: August 13, 2019
    Publication date: November 28, 2019
    Inventor: Koichi Fukuda
  • Patent number: 10483207
    Abstract: According to one embodiment, the insulating layer is provided on the terrace portions. The plurality of contact portions extend through the insulating layer in the stacking direction and contact the terrace portions. The second columnar portion extends through the insulating layer and through the second stacked portion in the stacking direction, and includes a second semiconductor body contacting the first semiconductor region. The first insulating portion divides the first semiconductor region in the first direction. The first insulating portion is provided under a boundary portion between the first stacked portion and the second stacked portion.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: November 19, 2019
    Assignee: Toshiba Memory Corporation
    Inventors: Masatoshi Watarai, Masanori Hatakeyama, Takuya Kusaka, Kazunori Masuda, Masato Endo, Koichi Fukuda, Masato Sugawara
  • Patent number: 10479939
    Abstract: Provided is a soil erosion prevention agent which can suppress the amount of resin used without decreasing soil erosion prevention effect. A soil erosion prevention agent containing a water-borne resin emulsion, wherein: the emulsion has a solid content of 30 to 70 mass %; and the emulsion has a viscosity of 50 mPa·s or lower measured at 30° C. when a water content of the emulsion is adjusted so that the solid content of the emulsion is 40 mass %, is provided.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: November 19, 2019
    Assignee: Denka Company Limited
    Inventors: Koichi Fukuda, Hironori Konishi, Kazuhiro Kote
  • Patent number: 10477099
    Abstract: An image capturing apparatus in which a plurality of pixels each having a plurality of photoelectric conversion units for receiving light fluxes that have passed through different partial pupil regions of an imaging optical system are arrayed, wherein an entrance pupil distance Zs of the image sensor with respect to a minimum exit pupil distance Lmin of the imaging optical system and the maximum exit pupil distance Lmax of the imaging optical system satisfies a condition of 4 ? L min ? L max L min + 3 ? L max < Z S < 4 ? L min ? L max 3 ? L min + L max .
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: November 12, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Koichi Fukuda
  • Publication number: 20190335093
    Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.
    Type: Application
    Filed: July 12, 2019
    Publication date: October 31, 2019
    Inventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
  • Patent number: 10412295
    Abstract: An image capturing apparatus includes: a focus detection unit configured to detect a focus state of an imaging optical system; a reliability determination unit configured to determine reliability of the focus detection; and a control unit configured to control an opening of an aperture of the imaging optical system, wherein the control unit, if the reliability determination unit determines that reliability of the focus detection performed in a state in which the opening of the aperture is controlled to a first aperture opening state is less than a threshold value, changes the aperture to a second aperture opening state in which the opening of the aperture is reduced relative to the first aperture opening state, and wherein the control unit does not change the aperture to the second aperture opening state if a predetermined condition is satisfied.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: September 10, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hideyuki Hamano, Koichi Fukuda
  • Patent number: 10404905
    Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: September 3, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
  • Publication number: 20190268531
    Abstract: Disclosed are an image processing apparatus that can efficiently suppress the data amount of data indicating a spatial distribution and an angular distribution of light intensity and a control method of the same. The image processing apparatus obtains data indicating the spatial distribution and the angular distribution of the intensity of light beams that have passed through partial pupil areas obtained by dividing the exit pupil of an imaging optical system into a predetermined number. The image processing apparatus then reduces the bit depth or the number of tones of signals constituting the data based on the predetermined number.
    Type: Application
    Filed: May 15, 2019
    Publication date: August 29, 2019
    Inventor: Koichi Fukuda
  • Patent number: 10389931
    Abstract: Provided is an image pickup apparatus including pixels each divided into subpixels that receive respective rays of a pencil having passed through different pupil subregions in an optical system, the apparatus having a viewpoint image generation unit that generates viewpoint images based on pixel signals outputted by the subpixels, an image deviation amount calculation unit that calculates an image deviation amount from the viewpoint images, a conversion factor calculation unit that calculates a conversion factor for use in conversion of the image deviation amount into a defocus amount, and a recording unit that records at least two of the conversion factor, the image deviation amount, and the defocus amount in a storage medium as metadata in association with the viewpoint images or an image obtained from the viewpoint images.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: August 20, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuki Yoshimura, Koichi Fukuda, Akihiko Kanda
  • Patent number: 10385034
    Abstract: The present invention describes compounds according to formula I: and compounds according to formula II: and additional related flavonoid compounds, as well as the use of the compounds in methods for the prevention or treatment of IL-17A-mediated disease in a subject.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: August 20, 2019
    Assignee: THE CLEVELAND CLINIC FOUNDATION
    Inventors: Xiaoxia Li, Caini Liu, Jun Qin, Liang Zhu, Koichi Fukuda
  • Publication number: 20190250463
    Abstract: An electronic device includes a liquid crystal display device having a first substrate, a second substrate bonded to the first substrate, with liquid crystal material held between the first substrate and the second substrate, and an upper polarizing plate affixed to the second substrate. A protective member is disposed over the upper polarizing plate, and an adhesive member is disposed between the protective member and the upper polarizing plate without an air layer between the protective member and the upper polarizing plate. The protective member is configured as a protective cover of the electronic device.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Inventor: Koichi FUKUDA
  • Publication number: 20190202354
    Abstract: An image capture device is mounted in a vehicle. The image capture device includes: an image capture unit; and a setting unit that sets an image capture condition for each region of the image capture unit each having a plurality of pixels, or for each pixel, based upon at least one of a state exterior to the vehicle and a state of the vehicle.
    Type: Application
    Filed: February 22, 2019
    Publication date: July 4, 2019
    Applicant: NIKON CORPORATION
    Inventors: Akiko SHIGA, Toru MIYAKOSHI, Satoshi YAMAGUCHI, Akira KINOSHITA, Kaoru YOSHINO, Hitomi NAGANUMA, Takashi KURIYAMA, Koichi FUKUDA, Yuki KITA, Koji NAGAOKA, Tomoya NAKAGAWA, Masakazu SEKIGUCHI, Takashi SHIONOYA
  • Patent number: 10341549
    Abstract: Disclosed are an image processing apparatus that can efficiently suppress the data amount of data indicating a spatial distribution and an angular distribution of light intensity and a control method of the same. The image processing apparatus obtains data indicating the spatial distribution and the angular distribution of the intensity of light beams that have passed through partial pupil areas obtained by dividing the exit pupil of an imaging optical system into a predetermined number. The image processing apparatus then reduces the bit depth or the number of tones of signals constituting the data based on the predetermined number.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: July 2, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Koichi Fukuda
  • Patent number: 10332915
    Abstract: An electronic device includes a liquid crystal display device having a first substrate, a second substrate bonded to the first substrate, with liquid crystal material held between the first substrate and the second substrate, and an upper polarizing plate affixed to the second substrate. A protective member is disposed over the upper polarizing plate, and an adhesive member is disposed between the protective member and the upper polarizing plate without an air layer between the protective member and the upper polarizing plate. The protective member is configured as a protective cover of the electronic device.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 25, 2019
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Koichi Fukuda
  • Patent number: 10332259
    Abstract: An image processing apparatus inputs image data representing a plurality of images from mutually different viewpoints, estimates first information indicating a disparity between the plurality of images by comparing image regions each having a first size between the plurality of images, and identifies image regions each having a second size different from the first size, between the plurality of images, based on the first information estimated. The estimation estimates second information indicating the magnitude of a disparity between the plurality of images in the identified image regions by comparing the image regions each having the second size between the plurality of images.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: June 25, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Nishiyama, Koichi Fukuda
  • Patent number: 10325356
    Abstract: An image processing device includes at least one processor that acquires a plurality of viewpoint images, and selectively applies a plurality of different image processings to image data based on the plurality of viewpoint images. The plurality of different image processings includes an adjustment process of adjusting a perceived resolution of an image, the adjustment process including a shift synthesis process of relatively shifting the plurality of viewpoint images to synthesize the plurality of viewpoint images that are relatively shifted, and a viewpoint change process of changing a viewpoint by changing a weighting coefficient when the plurality of viewpoint images are synthesized. In addition, the at least one processor sets the image processing by the image processing unit, exclusively setting one of the plurality of different image processings and a parameter of the image processing set by the setting unit to be applied to the image data.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: June 18, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Jobara, Koichi Fukuda