Patents by Inventor Toru Kurihara

Toru Kurihara 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: 10775316
    Abstract: An inspection system according to one embodiment includes: a first signal output unit that outputs to an illumination unit a first signal serving as a trigger to start outputting stripe patterns; a second signal output unit that outputs to the illumination unit a second signal serving as a trigger to switch the stripe patterns; an image-data acquisition unit that acquires time-correlation image data by starting superimposition of frames output from an image sensor at a timing based on the first signal; an image generation unit that generates a first time-correlation image and a second time-correlation image based on the time-correlation image data, the first time-correlation image corresponding to a first stripe pattern alone, the second time-correlation image corresponding to a second stripe pattern alone; and an abnormality detection unit that detects, based on the first time-correlation image and the second time-correlation image, an abnormality on the inspection target surface.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: September 15, 2020
    Assignees: RICOH ELEMEX CORPORATION, KOCHI PREFECTURAL PUBLIC UNIVERSITY CORPORATION
    Inventors: Keiichi Akazawa, Yasuyuki Inoue, Toru Kurihara
  • Patent number: 10739272
    Abstract: An inspection system of an embodiment includes: a planar illumination unit that temporally and spatially varies intensities of light in a periodic manner; a time-correlation image generator that generates a time-correlation image with a time-correlation camera or an image capturing system that performs an operation equivalent to that of the time-correlation camera; and a calculation processor that calculates a characteristic from the time-correlation image, the characteristic corresponding to a distribution of normal vectors to an inspection target surface and serving to detect an abnormality based on at least either a difference from a surrounding area or a difference from a reference surface.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: August 11, 2020
    Assignees: THE UNIVERSITY OF TOKYO, KOCHI PREFECTURAL PUBLIC UNIVERSITY CORPORATION, RICOH ELEMEX CORPORATION
    Inventors: Toru Kurihara, Shigeru Ando
  • Patent number: 10724960
    Abstract: An inspection system of an embodiment includes: a planar illumination unit that temporally varies an intensity of light in a periodic manner by spatially moving a stripe pattern of the intensity of light; a time-correlation image generator that generates a time-correlation image with a time-correlation camera or an image capturing system that performs an operation equivalent to that of the time-correlation camera; and a calculation processor that calculates a characteristic from the time-correlation image, the characteristic corresponding to a distribution of normal vectors to an inspection target surface and serving to detect an abnormality based on at least either a difference from a surrounding area or a difference from a reference surface.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: July 28, 2020
    Assignees: The University of Tokyo, Ricoh Elemex Corporation, Kochi Prefectural Public University Corporation
    Inventors: Toru Kurihara, Shigeru Ando, Michihiko Yoshimura
  • Publication number: 20200011810
    Abstract: An inspection system according to one embodiment includes: a first signal output unit that outputs to an illumination unit a first signal serving as a trigger to start outputting stripe patterns; a second signal output unit that outputs to the illumination unit a second signal serving as a trigger to switch the stripe patterns; an image-data acquisition unit that acquires time-correlation image data by starting superimposition of frames output from an image sensor at a timing based on the first signal; an image generation unit that generates a first time-correlation image and a second time-correlation image based on the time-correlation image data, the first time-correlation image corresponding to a first stripe pattern alone, the second time-correlation image corresponding to a second stripe pattern alone; and an abnormality detection unit that detects, based on the first time-correlation image and the second time-correlation image, an abnormality on the inspection target surface.
    Type: Application
    Filed: March 2, 2018
    Publication date: January 9, 2020
    Inventors: Keiichi AKAZAWA, Yasuyuki INOUE, Toru KURIHARA
  • Publication number: 20170245877
    Abstract: A surgical handpiece includes a housing gripped by a user, and an aspiration pipe that is attachably and detachably held by the housing and aspirates a liquid.
    Type: Application
    Filed: February 15, 2017
    Publication date: August 31, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Sosuke YAMASAKI, Toru KURIHARA
  • Publication number: 20170246360
    Abstract: A surgical handpiece includes a housing gripped by a user; an aspirating flow path member that is accommodated in the housing, and aspirates a liquid; and an aspiration pipe that is held by the housing, and is connected to the aspirating flow path member via interference fitting so as to aspirate the liquid. At least one of the aspirating flow path member and the aspiration pipe includes a sealing portion for realizing the interference fitting, which is bulged toward a mating member of the interference fitting.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 31, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Sosuke YAMASAKI, Toru KURIHARA
  • Publication number: 20170115230
    Abstract: An inspection system of an embodiment includes: a planar illumination unit that temporally varies an intensity of light in a periodic manner by spatially moving a stripe pattern of the intensity of light; a time-correlation image generator that generates a time-correlation image with a time-correlation camera or an image capturing system that performs an operation equivalent to that of the time-correlation camera; and a calculation processor that calculates a characteristic from the time-correlation image, the characteristic corresponding to a distribution of normal vectors to an inspection target surface and serving to detect an abnormality based on at least either a difference from a surrounding area or a difference from a reference surface.
    Type: Application
    Filed: March 31, 2015
    Publication date: April 27, 2017
    Inventors: Toru KURIHARA, Shigeru ANDO, Michihiko YOSHIMURA
  • Publication number: 20170108443
    Abstract: An inspection system of an embodiment includes: a planar illumination unit that temporally and spatially varies intensities of light in a periodic manner; a time-correlation image generator that generates a time-correlation image with a time-correlation camera or an image capturing system that performs an operation equivalent to that of the time-correlation camera; and a calculation processor that calculates a characteristic from the time-correlation image, the characteristic corresponding to a distribution of normal vectors to an inspection target surface and serving to detect an abnormality based on at least either a difference from a surrounding area or a difference from a reference surface.
    Type: Application
    Filed: March 31, 2015
    Publication date: April 20, 2017
    Inventors: Toru KURIHARA, Shigeru ANDO
  • Publication number: 20140319730
    Abstract: A casing includes a first casing and a second casing that sandwich an elastic member, wherein the first casing includes a pressed portion that is pressed by the elastic member, and an engaging portion adjacent to the pressed portion that has a flange protruding toward the pressed portion that engages with the second casing, and the pressed portion is flat in a region corresponding to at least the engaging portion.
    Type: Application
    Filed: July 11, 2014
    Publication date: October 30, 2014
    Inventors: Toru Kurihara, Masayuki Sato, Yutaka Kawahigashi, Kazuhiro Kakuguchi, Nozomu Saito
  • Publication number: 20140268521
    Abstract: An electronic device includes: a first case that includes a first inner surface; a second case that includes a second inner surface that are opposed to the first inner surface; and a packing member that includes a packing portion formed along an entire inner circumference of the first inner surface and sandwiched and compressed between the first inner surface and the second inner surface, and a projection portion projected out from the packing portion, the packing portion includes a first part provided in an area closer to the projection portion than a second part, and the second part formed thicker in a direction perpendicular to a circumferential direction of the packing portion than the first part.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Hiroyuki Kawai, Toru Kurihara, Takahisa Nishi
  • Patent number: 8824126
    Abstract: A casing includes a first casing and a second casing that sandwich an elastic member, wherein the first casing includes a pressed portion that is pressed by the elastic member, and an engaging portion adjacent to the pressed portion that has a flange protruding toward the pressed portion that engages with the second casing, and the pressed portion is flat in a region corresponding to at least the engaging portion.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: September 2, 2014
    Assignee: Fujitsu Limited
    Inventors: Toru Kurihara, Masayuki Sato, Yutaka Kawahigashi, Kazuhiro Kakuguchi, Nozomu Saito
  • Publication number: 20120040723
    Abstract: An electronic device includes a display unit, a protective member disposed on the display unit to protect the display unit, a surface member disposed on the same plane as the protective member and a waterproof sheet covering at least a gap between the protective member and the surface member, the waterproof sheet is disposed between the display unit and the protective and surface members.
    Type: Application
    Filed: August 5, 2011
    Publication date: February 16, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Toru Kurihara, Masayuki Sato, Kazuhiro Kakuguchi
  • Patent number: 8038307
    Abstract: A projector includes a projection optical device and a projection position adjusting device that includes a fixed member defining a hole having a step portion, a first plate that supports the projection optical device and a second plate disposed between the fixed member and the first plate. The projection position adjusting device further includes a connecting member having a step and being disposed in the hole of the fixed member and connected to the first plate, and an urging member disposed between the connecting member and the step portion of the hole of the fixed member. The urging member urges the step portion of the hole and the step of the connecting member away from each other, and urges the first plate into direct contact with the fixed member.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: October 18, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Wataru Kitahara, Kunihisa Nakamura, Toru Kurihara
  • Patent number: 7997741
    Abstract: A projector includes a light source device, a optical modulator which modulates luminous flux emitted from the light source device according to image information, a projection optical device which enlarges and projects the luminous flux modulated in the optical modulator, and an outer casing which houses the light source device, the optical modulator and the projection optical device thereinside, in which the outer casing has a ceiling surface and a bottom surface intersecting with respect to the vertical direction and a side surface connecting to the ceiling surface and the bottom surface, in which a concave portion which is recessed toward the inside is formed at the bottom surface side in the side surface, and in which a first connection terminal group connected to an external device through connection cables is arranged at a bottom portion of the concave portion in an exposed state.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: August 16, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Kunihisa Nakamura, Keisuke Sakagami, Toru Kurihara, Wataru Kitahara
  • Publication number: 20110157797
    Abstract: A casing includes a first casing and a second casing that sandwich an elastic member, wherein the first casing includes a pressed portion that is pressed by the elastic member, and an engaging portion adjacent to the pressed portion that has a flange protruding toward the pressed portion that engages with the second casing, and the pressed portion is flat in a region corresponding to at least the engaging portion.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Toru Kurihara, Masayuki Sato, Yutaka Kawahigashi, Kazuhiro Kakuguchi, Nozomu Saito
  • Patent number: 7959302
    Abstract: The invention has an object of providing a display device, which can freely change a display position or a display area, and can display a high grade image, and a game machine, such as a slot machine etc., which includes the display device.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: June 14, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Norio Nakamura, Toshiyuki Hosaka, Toru Kurihara
  • Patent number: 7954964
    Abstract: A projector includes: a projection position adjusting device that adjusts a projection position of a projection optical device. The projection position adjusting device includes: adjusting and driving units that move a first moving plate and a second moving plate. The adjusting and driving unit include: a pair of worms that have a columnar shape and have threads on outer circumferences thereof; and a pair of sliders that are screwed in the pair of worms, respectively. The pair of worms are disposed to extend along the first direction or the second direction. One of the sliders engages with one of moving plates. Engaging structures including inclining engaging holes that extend in a direction crossing the direction in the plane orthogonal to the projecting direction and engaging projections inserted through the inclining engaging holes are provided in the other slider and the other moving plate.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: June 7, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Wataru Kitahara, Kunihisa Nakamura, Toru Kurihara
  • Publication number: 20090219505
    Abstract: A projector includes a projection optical device that magnifies and projects image light and a projection position adjusting device that moves the projection optical device in a plane orthogonal to a projecting direction and adjusts a projection position of the projection optical device. The projection position adjusting device includes a fixed member fixed in the projector, a first moving plate that supports the projection optical device and moves in a first axial direction and a second axial direction orthogonal to each other in the plane orthogonal to the projecting direction, a second moving plate that is interposed between the fixed member and the first moving plate, engages with the first moving plate, and moves in the second axial direction together with the first moving plate, adjusting and driving units that move the first moving plate and the second moving plate, and plural coupling members that movably couple the first moving plate to the fixed member.
    Type: Application
    Filed: January 14, 2009
    Publication date: September 3, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Wataru KITAHARA, Kunihisa NAKAMURA, Toru KURIHARA
  • Publication number: 20090185146
    Abstract: A projector includes a light source device, a optical modulator which modulates luminous flux emitted from the light source device according to image information, a projection optical device which enlarges and projects the luminous flux modulated in the optical modulator, and an outer casing which houses the light source device, the optical modulator and the projection optical device thereinside, in which the outer casing has a ceiling surface and a bottom surface intersecting with respect to the vertical direction and a side surface connecting to the ceiling surface and the bottom surface, in which a concave portion which is recessed toward the inside is formed at the bottom surface side in the side surface, and in which a first connection terminal group connected to an external device through connection cables is arranged at a bottom portion of the concave portion in an exposed state.
    Type: Application
    Filed: January 21, 2009
    Publication date: July 23, 2009
    Applicant: Seiko Epson Corporation
    Inventors: Kunihisa Nakamura, Keisuke Sakagami, Toru Kurihara, Wataru Kitahara
  • Patent number: D809123
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: January 30, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Ishikawa, Toru Kurihara, Takahiro Matsuzaki