Patents by Inventor Shohei Matsuoka
Shohei Matsuoka 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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Publication number: 20190020228Abstract: A stator for a rotary electric machine includes: a collar portion provided at an end portion of each of the tooth portions so as to project to the slot side and includes: a connection portion; a bent portion extending in the circumferential direction and forming a first gap; and a stop portion projecting at an end side thereof in the circumferential direction to the slot side and formed so as to have a width in the radial direction larger than a width in the radial direction of the bent portion. An R dimension of a side surface, in the circumferential direction and at a side opposite to a projection side of the tooth portion, of the bent portion is not less than the width in the radial direction of the bent portion.Type: ApplicationFiled: November 29, 2016Publication date: January 17, 2019Applicant: Mitsubishi Electric CorporationInventors: Tatsuro HINO, Kohei EGASHIRA, Yoshihiro HARADA, Shohei MATSUOKA, Masashi NAKAMURA, Shinichiro YOSHIDA, Aiko NAKANO
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Patent number: 9772544Abstract: A two-dimensional scanning projector causing a light beam to scan in a first direction and a second direction orthogonal to the first direction, comprising: a first deflector which deflects the light beam in the first direction; and a scanning optical system arranged between the first deflector and a scanned surface, wherein the first deflector is arranged such that a rotation axis of the first deflector is inclined, in a plane including an optical axis of the scanning optical system and the second direction, by a first angle with respect to the second direction, and the light beam is incident on the first deflector such that, in the plane including the optical axis and the second direction, a chief ray of the light beam entering a center of a projected image is obliquely incident on the first deflector to form a second angle with respect to the optical axis.Type: GrantFiled: September 27, 2010Date of Patent: September 26, 2017Assignee: PRYSM, INC.Inventor: Shohei Matsuoka
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Publication number: 20170250543Abstract: A secondary battery system includes a battery having an electrode body impregnated with an electrolyte containing lithium ions; and an ECU configured to permit charge and discharge of the battery when battery temperature is equal to or more than a threshold temperature and to restrict the charge and discharge of the battery when the battery temperature is less than the threshold temperature. The ECU is configured to obtain a value related to minimum concentration of the lithium ions (minimum salt concentration) caused by a deviation of concentration distribution of the lithium ions in the electrode body, and to set the threshold temperature to be higher as the related value representing the minimum salt concentration becomes lower.Type: ApplicationFiled: February 22, 2017Publication date: August 31, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryo KANADA, Shohei MATSUOKA
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Patent number: 8441704Abstract: A multibeam scanning device, comprising: a plurality of first optical systems, each of the plurality of optical systems including a light source unit configured to emit a non-collimated light beam, and an optical element having a predetermined power and having an optical effect on the laser beam; a second optical system arranged on a downstream side of the plurality of first optical systems, including a first deflector on which light beams emitted by the plurality of first optical systems are incident, the first deflector being to deflect the laser beams, and a common optical system configured to change degree of divergence of each of the plurality of light beams; and an optical path shifting system configured to translate an incident optical path of the light beam which is emitted by the light source and incident on the optical element is provided.Type: GrantFiled: July 27, 2012Date of Patent: May 14, 2013Assignee: PRYSM, Inc.Inventor: Shohei Matsuoka
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Publication number: 20130003154Abstract: A multibeam scanning device, comprising: a plurality of first optical systems, each of the plurality of optical systems including a light source unit configured to emit a non-collimated light beam, and an optical element having a predetermined power and having an optical effect on the laser beam; a second optical system arranged on a downstream side of the plurality of first optical systems, including a first deflector on which light beams emitted by the plurality of first optical systems are incident, the first deflector being to deflect the laser beams, and a common optical system configured to change degree of divergence of each of the plurality of light beams; and an optical path shifting system configured to translate an incident optical path of the light beam which is emitted by the light source and incident on the optical element is provided.Type: ApplicationFiled: July 27, 2012Publication date: January 3, 2013Inventor: Shohei Matsuoka
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Patent number: 8248679Abstract: A multibeam scanning device, comprising: a plurality of first optical systems, each of the plurality of optical systems including a light source unit configured to emit a non-collimated light beam, and an optical element having a predetermined power and having an optical effect on the laser beam; a second optical system arranged on a downstream side of the plurality of first optical systems, including a first deflector on which light beams emitted by the plurality of first optical systems are incident, the first deflector being to deflect the laser beams, and a common optical system configured to change degree of divergence of each of the plurality of light beams; and an optical path shifting system configured to translate an incident optical path of the light beam which is emitted by the light source and incident on the optical element, wherein all the light beams incident on the first deflector are incident on the first deflector at substantially the same position, and wherein the optical elements are arranType: GrantFiled: August 19, 2008Date of Patent: August 21, 2012Assignee: Prsym, Inc.Inventor: Shohei Matsuoka
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Patent number: 8228581Abstract: A scanning optical device includes at least one light source unit for emitting a light beam, a first deflector for deflecting the emitted light beam in an auxiliary scanning direction, a condensing optical system for generating an intermediate image of the light beam deflected by the first deflector, a collecting optical system for condensing a light beam diverged from the generated intermediate image, a second deflector for deflecting the condensed light beam in a main-scanning direction, and a scanning optical system for scanning the surface to be scanned with the light beam deflected by the second deflector. The condensing optical system has an f-? characteristic, the collecting optical system has an f-sin ? characteristic, and the scanning optical system has an f-sin ? characteristic.Type: GrantFiled: March 28, 2011Date of Patent: July 24, 2012Assignee: Prsym, Inc.Inventor: Shohei Matsuoka
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Patent number: 8223415Abstract: A scanning optical device that scans a light beam through a relay optical system, the relay optical system comprising: front group lenses arranged at a light source side; rear group lenses arranged at a side of a surface to be scanned; and first and second mirrors arranged between the front group lenses and the rear group lenses and supported by a common supporting member, wherein a normal vector of a mirror surface of the first mirror makes an angle (180??) with an incident optical axis from the front group lenses, a normal vector of the second mirror makes an angle ? (??180×m) with the normal vector of the first mirror, and the supporting member includes a mechanism being linearly movable in a direction which makes an angle (???+90) with the normal vector of the first mirror.Type: GrantFiled: March 28, 2011Date of Patent: July 17, 2012Assignee: Prsym, Inc.Inventor: Shohei Matsuoka
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Publication number: 20110176192Abstract: A scanning optical device includes at least one light source unit for emitting a light beam, a first deflector for deflecting the emitted light beam in an auxiliary scanning direction, a condensing optical system for generating an intermediate image of the light beam deflected by the first deflector, a collecting optical system for condensing a light beam diverged from the generated intermediate image, a second deflector for deflecting the condensed light beam in a main-scanning direction, and a scanning optical system for scanning the surface to be scanned with the light beam deflected by the second deflector. The condensing optical system has an f-? characteristic, the collecting optical system has an f-sin ? characteristic, and the scanning optical system has an f-sin ? characteristic.Type: ApplicationFiled: March 28, 2011Publication date: July 21, 2011Applicant: HOYA CORPORATIONInventor: Shohei MATSUOKA
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Publication number: 20110176191Abstract: A scanning optical device that scans a light beam through a relay optical system, the relay optical system comprising: front group lenses arranged at a light source side; rear group lenses arranged at a side of a surface to be scanned; and first and second minors arranged between the front group lenses and the rear group lenses and supported by a common supporting member, wherein a normal vector of a minor surface of the first minor makes an angle (180??) with an incident optical axis from the front group lenses, a normal vector of the second minor makes an angle ? (??180×m) with the normal vector of the first minor, and the supporting member includes a mechanism being linearly movable in a direction which makes an angle (???+90) with the normal vector of the first mirror.Type: ApplicationFiled: March 28, 2011Publication date: July 21, 2011Applicant: HOYA CORPORATIONInventor: Shohei MATSUOKA
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Publication number: 20110157454Abstract: An imaging sensor comprising a plurality of pixels is provided. Each pixel comprises photoelectric converters and optical members. The optical member covers the photoelectric converter. Light toward the photoelectric converter passes through the optical member. The pixels are arranged in two dimensions on a light-receiving area. At least a part of the light-receiving area comprises an area of irregularity. First and second pixels are arranged irregularly in the area of irregularity. Distances between the photoelectric converter and a far-side surface of the optical member are first and second distances in the first and second pixels, respectively. The far-side surface is an opposite surface of a near-side surface. The near-side surface of the optical member faces the photoelectric converter. The second distance is shorter than the first distance.Type: ApplicationFiled: June 30, 2010Publication date: June 30, 2011Applicant: HOYA CORPORATIONInventor: Shohei MATSUOKA
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Publication number: 20110013247Abstract: A two-dimensional scanning projector causing a light beam to scan in a first direction and a second direction orthogonal to the first direction, comprising: a first deflector which deflects the light beam in the first direction; and a scanning optical system arranged between the first deflector and a scanned surface, wherein the first deflector is arranged such that a rotation axis of the first deflector is inclined, in a plane including an optical axis of the scanning optical system and the second direction, by a first angle with respect to the second direction, and the light beam is incident on the first deflector such that, in the plane including the optical axis and the second direction, a chief ray of the light beam entering a center of a projected image is obliquely incident on the first deflector to form a second angle with respect to the optical axis.Type: ApplicationFiled: September 27, 2010Publication date: January 20, 2011Applicant: HOYA CORPORATIONInventor: Shohei MATSUOKA
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Publication number: 20110001855Abstract: An imaging sensor comprising a plurality of pixels is provided. The pixels comprise photoelectric converters and optical members. The optical member covers the photoelectric converter. Incident light passes through the optical member. The pixels are arranged in two dimensions on a light-receiving area. First differences are created for the distances between the photoelectric converter and a far-side surface of the optical member in two of the pixels in a part of pixel pairs among all of the pixel pairs. The far-side surface is an opposite surface of a near-side surface. The near-side surface of the optical member faces the photoelectric converter. The pixel pair includes two of the pixels selected from the plurality of the pixels.Type: ApplicationFiled: June 30, 2010Publication date: January 6, 2011Applicant: HOYA CORPORATIONInventor: Shohei MATSUOKA
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Publication number: 20110001856Abstract: An image sensor comprising a plurality of first pixels is provided. The pixels comprise photoelectric converters and first optical members. The first optical member covers the photoelectric converter. Light incident on the photoelectric converter passes through the first optical member. The first pixels are arranged on a light-receiving area. First differences are created for the thicknesses of the first optical members in two of the first pixels in a part of first pixel pairs among all first pixel pairs. The first pixel pair includes two of the first pixels selected from the plurality of said first pixels.Type: ApplicationFiled: June 30, 2010Publication date: January 6, 2011Applicant: HOYA CORPORATIONInventor: Shohei MATSUOKA
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Publication number: 20100302610Abstract: A multibeam scanning device, comprising: a plurality of first optical systems, each of the plurality of optical systems including a light source unit configured to emit a non-collimated light beam, and an optical element having a predetermined power and having an optical effect on the laser beam; a second optical system arranged on a downstream side of the plurality of first optical systems, including a first deflector on which light beams emitted by the plurality of first optical systems are incident, the first deflector being to deflect the laser beams, and a common optical system configured to change degree of divergence of each of the plurality of light beams; and an optical path shifting system configured to translate an incident optical path of the light beam which is emitted by the light source and incident on the optical element, wherein all the light beams incident on the first deflector are incident on the first deflector at substantially the same position, and wherein the optical elements are arranType: ApplicationFiled: August 19, 2008Publication date: December 2, 2010Applicant: Hoya CorporationInventor: Shohei Matsuoka
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Patent number: 7508562Abstract: A multi-beam scanning optical system configured to scan a plurality of laser beams on a scanned surface in a predetermined scanning direction includes a light source emitting a plurality of laser beams from respective laser emitters spaced from each other in the predetermined scanning direction, a diverging property changing element changing a diverging property of each of the emitted laser beams, a deflector configured to be sine-functionally oscillated and to deflect each of the laser beams with the diverging property thereof as changed so as to scan each of the laser beams on the scanned surface in the predetermined scanning direction, and a scanning speed controlling element configured to control a scanning speed at which each of the laser beams deflected by the deflector is scanned on the scanned surface. The multi-beam scanning optical system is configured to satisfy a predetermined condition.Type: GrantFiled: March 25, 2008Date of Patent: March 24, 2009Assignee: Hoya CorporationInventor: Shohei Matsuoka
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Patent number: 7477436Abstract: A scanning optical system configured to scan laser light on a scanned surface in a scanning direction, includes a light source emitting the laser light, a converging element converging the emitted laser light in the predetermined scanning direction, a deflector deflecting the converged laser light to scan the laser light on the scanned surface, and a scanning speed controlling element controlling the deflected laser light to be scanned at a constant scanning speed. The scanning optical system is configured to satisfy predetermined conditions.Type: GrantFiled: March 25, 2008Date of Patent: January 13, 2009Assignee: Hoya CorporationInventor: Shohei Matsuoka
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Patent number: 7433095Abstract: In a reflective scanning optical system employing an imaging optical system having a curved mirror with a rotationally symmetrical reflecting surface configuration, the change in magnification of the imaging optical system in the auxiliary scanning direction is reduced and thereby the beam spot diameter on the scan target surface is equalized, as well as equalizing the scan line interval on the scan target surface when the system is applied to a multibeam scanning optical system. The imaging optical system of the reflective scanning optical system includes a curved mirror with a rotationally symmetrical reflecting surface and a lens having an anamorphic lens surface configuration on its one side. In the anamorphic lens surface configuration, slope and curvature of the line of intersection of the lens surface and a plane parallel to the auxiliary scanning cross section change independently of each other as the position in the main scanning direction changes.Type: GrantFiled: June 16, 2004Date of Patent: October 7, 2008Assignee: Hoya CorporationInventors: Takashi Iizuka, Shohei Matsuoka
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Publication number: 20080239439Abstract: A scanning optical system configured to scan laser light on a scanned surface in a scanning direction, includes a light source emitting the laser light, a converging element converging the emitted laser light in the predetermined scanning direction, a deflector deflecting the converged laser light to scan the laser light on the scanned surface, and a scanning speed controlling element controlling the deflected laser light to be scanned at a constant scanning speed. The scanning optical system is configured to satisfy predetermined conditions.Type: ApplicationFiled: March 25, 2008Publication date: October 2, 2008Applicant: PENTAX CORPORATIONInventor: Shohei MATSUOKA
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Publication number: 20080239434Abstract: A multi-beam scanning optical system configured to scan a plurality of laser beams on a scanned surface in a predetermined scanning direction includes a light source emitting a plurality of laser beams from respective laser emitters spaced from each other in the predetermined scanning direction, a diverging property changing element changing a diverging property of each of the emitted laser beams, a deflector configured to be sine-functionally oscillated and to deflect each of the laser beams with the diverging property thereof as changed so as to scan each of the laser beams on the scanned surface in the predetermined scanning direction, and a scanning speed controlling element configured to control a scanning speed at which each of the laser beams deflected by the deflector is scanned on the scanned surface. The multi-beam scanning optical system is configured to satisfy a predetermined condition.Type: ApplicationFiled: March 25, 2008Publication date: October 2, 2008Applicant: PENTAX CORPORATIONInventor: Shohei MATSUOKA