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).
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Patent number: 10775316Abstract: 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: GrantFiled: March 2, 2018Date of Patent: September 15, 2020Assignees: RICOH ELEMEX CORPORATION, KOCHI PREFECTURAL PUBLIC UNIVERSITY CORPORATIONInventors: Keiichi Akazawa, Yasuyuki Inoue, Toru Kurihara
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Patent number: 10739272Abstract: 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: GrantFiled: March 31, 2015Date of Patent: August 11, 2020Assignees: THE UNIVERSITY OF TOKYO, KOCHI PREFECTURAL PUBLIC UNIVERSITY CORPORATION, RICOH ELEMEX CORPORATIONInventors: Toru Kurihara, Shigeru Ando
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Patent number: 10724960Abstract: 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: GrantFiled: March 31, 2015Date of Patent: July 28, 2020Assignees: The University of Tokyo, Ricoh Elemex Corporation, Kochi Prefectural Public University CorporationInventors: Toru Kurihara, Shigeru Ando, Michihiko Yoshimura
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Publication number: 20200011810Abstract: 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: ApplicationFiled: March 2, 2018Publication date: January 9, 2020Inventors: Keiichi AKAZAWA, Yasuyuki INOUE, Toru KURIHARA
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Publication number: 20170245877Abstract: 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: ApplicationFiled: February 15, 2017Publication date: August 31, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Sosuke YAMASAKI, Toru KURIHARA
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Publication number: 20170246360Abstract: 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: ApplicationFiled: February 21, 2017Publication date: August 31, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Sosuke YAMASAKI, Toru KURIHARA
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Publication number: 20170115230Abstract: 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: ApplicationFiled: March 31, 2015Publication date: April 27, 2017Inventors: Toru KURIHARA, Shigeru ANDO, Michihiko YOSHIMURA
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Publication number: 20170108443Abstract: 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: ApplicationFiled: March 31, 2015Publication date: April 20, 2017Inventors: Toru KURIHARA, Shigeru ANDO
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Publication number: 20140319730Abstract: 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: ApplicationFiled: July 11, 2014Publication date: October 30, 2014Inventors: Toru Kurihara, Masayuki Sato, Yutaka Kawahigashi, Kazuhiro Kakuguchi, Nozomu Saito
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Publication number: 20140268521Abstract: 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: ApplicationFiled: March 12, 2014Publication date: September 18, 2014Applicant: FUJITSU LIMITEDInventors: Hiroyuki Kawai, Toru Kurihara, Takahisa Nishi
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Patent number: 8824126Abstract: 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: GrantFiled: December 22, 2010Date of Patent: September 2, 2014Assignee: Fujitsu LimitedInventors: Toru Kurihara, Masayuki Sato, Yutaka Kawahigashi, Kazuhiro Kakuguchi, Nozomu Saito
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Publication number: 20120040723Abstract: 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: ApplicationFiled: August 5, 2011Publication date: February 16, 2012Applicant: FUJITSU LIMITEDInventors: Toru Kurihara, Masayuki Sato, Kazuhiro Kakuguchi
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Patent number: 8038307Abstract: 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: GrantFiled: January 14, 2009Date of Patent: October 18, 2011Assignee: Seiko Epson CorporationInventors: Wataru Kitahara, Kunihisa Nakamura, Toru Kurihara
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Patent number: 7997741Abstract: 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: GrantFiled: January 21, 2009Date of Patent: August 16, 2011Assignee: Seiko Epson CorporationInventors: Kunihisa Nakamura, Keisuke Sakagami, Toru Kurihara, Wataru Kitahara
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Publication number: 20110157797Abstract: 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: ApplicationFiled: December 22, 2010Publication date: June 30, 2011Applicant: FUJITSU LIMITEDInventors: Toru Kurihara, Masayuki Sato, Yutaka Kawahigashi, Kazuhiro Kakuguchi, Nozomu Saito
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Patent number: 7959302Abstract: 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: GrantFiled: March 22, 2007Date of Patent: June 14, 2011Assignee: Seiko Epson CorporationInventors: Norio Nakamura, Toshiyuki Hosaka, Toru Kurihara
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Patent number: 7954964Abstract: 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: GrantFiled: January 8, 2009Date of Patent: June 7, 2011Assignee: Seiko Epson CorporationInventors: Wataru Kitahara, Kunihisa Nakamura, Toru Kurihara
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Publication number: 20090219505Abstract: 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: ApplicationFiled: January 14, 2009Publication date: September 3, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Wataru KITAHARA, Kunihisa NAKAMURA, Toru KURIHARA
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Publication number: 20090185146Abstract: 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: ApplicationFiled: January 21, 2009Publication date: July 23, 2009Applicant: Seiko Epson CorporationInventors: Kunihisa Nakamura, Keisuke Sakagami, Toru Kurihara, Wataru Kitahara
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Patent number: D809123Type: GrantFiled: February 28, 2017Date of Patent: January 30, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Ishikawa, Toru Kurihara, Takahiro Matsuzaki