Patents by Inventor Shojiro Kitamura
Shojiro Kitamura 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: 20130014578Abstract: A sensor device includes a mounting member having fixation surfaces inside, and at least one electronic component directly or indirectly fixed to the fixation surfaces of the mounting member, and the mounting member constitutes a part of a casing for housing the electronic component. Further, the fixation surfaces are perpendicular to each other.Type: ApplicationFiled: July 10, 2012Publication date: January 17, 2013Applicant: SEIKO EPSON CORPORATIONInventors: Masayasu SAKUMA, Yoshihiro KOBAYASHI, Shojiro KITAMURA, Taketo CHINO
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Publication number: 20130014581Abstract: A sensor device includes a mounting board having a first rigid board on which an angular velocity sensor is mounted and a third rigid board on which an angular velocity sensor is mounted, and a pedestal for fixing the mounting board. Further, the pedestal includes a base section having a first fixation surface along an x axis and a y axis, and projecting sections disposed on the base section, and having a second fixation surface along the x axis and a z axis, and a third fixation surface along the y axis and the z axis, each of the rigid boards is supported by at least two of the first fixation surface, the second fixation surface, and the third fixation surface, and the angular velocity sensors have respective detection axes intersecting with each other.Type: ApplicationFiled: July 6, 2012Publication date: January 17, 2013Applicant: SEIKO EPSON CORPORATIONInventors: Masayasu SAKUMA, Yoshihiro KOBAYASHI, Shojiro KITAMURA, Taketo CHINO, Nobuyuki IMAI
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Publication number: 20120304768Abstract: A module includes a first rigid substrate including an analog circuit; a second rigid substrate including a digital circuit; a third rigid substrate including an angular velocity sensor; a first connecting portion that connects the first rigid substrate and the second rigid substrate so as to electrically connect the analog circuit and the digital circuit, and that has flexibility; and a second connecting portion that connects the first rigid substrate and the third rigid substrate so as to electrically connect the analog circuit and the angular velocity sensor, and that has flexibility.Type: ApplicationFiled: May 23, 2012Publication date: December 6, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Masayasu SAKUMA, Yoshihiro KOBAYASHI, Shojiro KITAMURA, Taketo CHINO, Michiharu OGAMI
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Publication number: 20120307459Abstract: A maintaining member includes alignment portions that determine a maintaining position of a module, in which each of the alignment portions has a mounting face to fix the module. When the maintaining member is partitioned into a first region to a fourth region by a first axis and a second axis that are orthogonal to each other in plan view with respect to the center of the maintaining member, the alignment portions are provided at the regions one by one.Type: ApplicationFiled: May 23, 2012Publication date: December 6, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Masayasu SAKUMA, Yoshihiro KOBAYASHI, Shojiro KITAMURA, Taketo CHINO, Michiharu OGAMI
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Publication number: 20120304765Abstract: A module includes a sensor device, a mounting substrate that has a plurality of mounting faces, a portion between the mounting faces adjacent to each other being foldable, a supporting member having fixing faces, wherein the sensor device is mounted on at least one of the mounting faces, each of the mounting faces is disposed along each of the fixing faces, and the sensor device is disposed on the supporting member side.Type: ApplicationFiled: May 23, 2012Publication date: December 6, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Masayasu SAKUMA, Yoshihiro KOBAYASHI, Shojiro KITAMURA, Taketo CHINO, Michiharu OGAMI
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Patent number: 8248813Abstract: An electronic device includes: an outline configuration including a first surface, a second surface facing opposite from the first surface, and a mounting surface coupled to the first and second surfaces; a first substrate including a first electrode; a second substrate including a second electrode; a resin disposed between the first and second substrates; and an electric element sealed with the resin and having an outline configuration of a polyhedron, the electric element being disposed such that a broadest surface of the polyhedron faces one of the first substrate and the second substrate. The first surface is one surface of the first substrate, the one surface being opposite from another surface of the first substrate on a side adjacent to the resin. The second surface is one surface of the second substrate, the one surface being opposite from another surface of the second substrate on a side adjacent to the resin.Type: GrantFiled: March 18, 2011Date of Patent: August 21, 2012Assignee: Seiko Epson CorporationInventors: Atsushi Ono, Yoshihiro Kobayashi, Shojiro Kitamura, Masayuki Matsunaga, Akitoshi Hara
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Publication number: 20110162452Abstract: An electronic device includes: an outline configuration including a first surface, a second surface facing opposite from the first surface, and a mounting surface coupled to the first and second surfaces; a first substrate including a first electrode; a second substrate including a second electrode; a resin disposed between the first and second substrates; and an electric element sealed with the resin and having an outline configuration of a polyhedron, the electric element being disposed such that a broadest surface of the polyhedron faces one of the first substrate and the second substrate. The first surface is one surface of the first substrate, the one surface being opposite from another surface of the first substrate on a side adjacent to the resin. The second surface is one surface of the second substrate, the one surface being opposite from another surface of the second substrate on a side adjacent to the resin.Type: ApplicationFiled: March 18, 2011Publication date: July 7, 2011Applicant: EPSON TOYOCOM CORPORATIONInventors: Atsushi ONO, Yoshihiro KOBAYASHI, Shojiro KITAMURA, Masayuki MATSUNAGA, Akitoshi HARA
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Patent number: 7933128Abstract: An electronic device includes: an outline configuration including a first surface, a second surface facing opposite from the first surface, and a mounting surface coupled to the first and second surfaces; a first substrate including a first electrode; a second substrate including a second electrode; a resin disposed between the first and second substrates; and an electric element sealed with the resin and having an outline configuration of a polyhedron, the electric element being disposed such that a broadest surface of the polyhedron faces one of the first substrate and the second substrate. The first surface is one surface of the first substrate, the one surface being opposite from another surface of the first substrate on a side adjacent to the resin. The second surface is one surface of the second substrate, the one surface being opposite from another surface of the second substrate on a side adjacent to the resin.Type: GrantFiled: October 9, 2008Date of Patent: April 26, 2011Assignee: Epson Toyocom CorporationInventors: Atsushi Ono, Yoshihiro Kobayashi, Shojiro Kitamura, Masayuki Matsunaga, Akitoshi Hara
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Publication number: 20090095510Abstract: An electronic device includes: an outline configuration including a first surface, a second surface facing opposite from the first surface, and a mounting surface coupled to the first and second surfaces; a first substrate including a first electrode; a second substrate including a second electrode; a resin disposed between the first and second substrates; and an electric element sealed with the resin and having an outline configuration of a polyhedron, the electric element being disposed such that a broadest surface of the polyhedron faces one of the first substrate and the second substrate. The first surface is one surface of the first substrate, the one surface being opposite from another surface of the first substrate on a side adjacent to the resin. The second surface is one surface of the second substrate, the one surface being opposite from another surface of the second substrate on a side adjacent to the resin.Type: ApplicationFiled: October 9, 2008Publication date: April 16, 2009Applicant: EPSON TOYOCOM CORPORATIONInventors: Atsushi ONO, Yoshihiro KOBAYASHI, Shojiro KITAMURA, Masayuki MATSUNAGA, Akitoshi HARA
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Patent number: 7154921Abstract: A light emitting element driving circuit drives a surface-emitting element, and the light emitting element driving circuit is equipped with a bias current driving circuit that supplies a generally constant bias current to the surface-emitting element, a modulation current driving circuit that supplies to the surface-emitting element a modulation current superimposed on the bias current, and a temperature detection circuit that detects the temperature of the surface-emitting element, wherein the modulation current driving circuit decreases the current amount of the modulation current, when the temperature detected rises. The bias current driving circuit may preferably supply the bias current to the surface-emitting element through a coil, and the modulation current driving circuit may preferably supply the modulation current to the surface-emitting element through a capacitor.Type: GrantFiled: May 12, 2005Date of Patent: December 26, 2006Assignee: Seiko Epson CorporationInventors: Shojiro Kitamura, Tsugio Ide, Yusuke Aritake
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Patent number: 7104703Abstract: The invention provides an optical transceiver which makes it possible to simplify a production process. An optical transceiver of the present invention includes an optical socket to mount an optical plug disposed at one end portion of an optical fiber); a light-condensing device; and an optical element to emit light in accordance with a supplied electrical signal and an optical element to generate an electrical signal in accordance with a received light signal; and a light-transmissive substrate to support the optical socket, the light-condensing device, and the optical elements so that the optical fiber, the light-condensing device, and the optical elements are aligned on an optical axis of the optical transceiver.Type: GrantFiled: June 24, 2003Date of Patent: September 12, 2006Assignee: Seiko Epson CorporationInventors: Kimio Nagasaka, Akira Miyamae, Takeo Kaneko, Eiichi Fujii, Jun Amako, Tsugio Ide, Shojiro Kitamura
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Patent number: 7106976Abstract: This invention provides an optical transmitter in which reduced power consumption is achieved by, when a signal generator needs data transmission, driving a laser emitting device to perform emission. An optical transmitter includes a receiver, a laser driving circuit, a light emitting unit constituted by a plurality of laser emitting devices, and an EDID memory. The receiver and the laser driving circuit are supplied with power from a dedicated external power supply through a power-supply line, and the power-supply line is provided with a switch. The contact of the switch is controlled to open and close based on a power-supply voltage supplied from the DDC controller to the EDID memory.Type: GrantFiled: July 31, 2002Date of Patent: September 12, 2006Assignee: Seiko Epson CorporationInventors: Tsugio Ide, Shojiro Kitamura, Teruyasu Hama
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Patent number: 7034775Abstract: The invention provides a display device whose size and resolution can easily be increased. Signal transmission lines, from signal control circuits to data electrode driving circuits, are optical waveguides serving as optical transmission lines capable of transmitting optical signals. Signal transmission lines, from the signal control circuits to address electrode driving circuits, are also optical waveguides serving as optical transmission lines capable of transmitting optical signals.Type: GrantFiled: March 14, 2002Date of Patent: April 25, 2006Assignee: Seiko Epson CorporationInventors: Shojiro Kitamura, Tsugio Ide, Atsushi Harada
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Patent number: 6999685Abstract: A physiological function assisting device 1 is embedded in the body, and is provided with a transmitter 11 and receiver 12 for communicating with an external controller 2. External controller 2 controls embedded physiological function assisting device 1 from the outside. External controller 2 is provided with a transmitter 21 and receiver 22 for communicating with physiological function assisting device 1. Transmitters 11,21 modulate the plane of polarization of laser light, and emit the result as a transmission signal. Receivers 12,22 selectively receive light of a specific polarization state. Receivers 12,22 respectively output electric signals corresponding to the polarization state (polarization angle or ellipticity) of the received light. As a result, full duplex communications between a strongly dispersing medium like the human body and the outside is possible, while the power consumed by the internal device can be reduced.Type: GrantFiled: April 30, 1998Date of Patent: February 14, 2006Assignee: Seiko Epson CorporationInventors: Takeo Kawase, Kazuhiko Amano, Shojiro Kitamura
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Publication number: 20050269971Abstract: A light emitting element driving circuit drives a surface-emitting element, and the light emitting element driving circuit is equipped with a bias current driving circuit that supplies a generally constant bias current to the surface-emitting element, a modulation current driving circuit that supplies to the surface-emitting element a modulation current superimposed on the bias current, and a temperature detection circuit that detects the temperature of the surface-emitting element, wherein the modulation current driving circuit decreases the current amount of the modulation current, when the temperature detected rises. The bias current driving circuit may preferably supply the bias current to the surface-emitting element through a coil, and the modulation current driving circuit may preferably supply the modulation current to the surface-emitting element through a capacitor.Type: ApplicationFiled: May 12, 2005Publication date: December 8, 2005Applicant: SEIKO EPSON CORPORATIONInventors: Shojiro Kitamura, Tsugio Ide, Yusuke Aritake
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Patent number: 6877911Abstract: In a optical transmission device in which a surface-emitting laser and an optical fiber are coupled, a light emitting portion of the surface-emitting laser and an input end of the optical fiber are positioned with high precision. An optical-fiber supporting member is provided with an optical-fiber through hole in which an end portion of an optical fiber is inserted, and a photodiode. The through hole and the photodiode are arranged corresponding to the arrangement of two light emitting portions of a surface-emitting laser so that a center of the circular section of the through hole and the optical axis of the optical-transmission light emitting portion are off set by a predetermined amount when a center point of the photodiode and the optical axis of the reference-light emitting portion are aligned. The surface-emitting laser and the optical-fiber supporting member are coupled with the center point of the photodiode and the optical axis of the reference-light emitting portion aligned with each other.Type: GrantFiled: April 4, 2002Date of Patent: April 12, 2005Assignee: Seiko Epson CorporationInventors: Tsugio Ide, Shojiro Kitamura, Atsushi Harada
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Publication number: 20040252951Abstract: The invention provides an optical transceiver which can further simplify a manufacturing process. An optical transceiver of the present invention includes: an optical socket to attach an optical plug provided at one end of an optical fiber; a light condensing device to condense light; an electro optical element that emits light according to a supplied electrical signal or generates an electrical signal according to a supplied light reception signal; and a light transmitting substrate supporting the optical socket, the light condensing device, and the electro optical element so that an optical fiber, the light condensing device and the electro optical element are aligned on an optical axis.Type: ApplicationFiled: May 12, 2004Publication date: December 16, 2004Applicant: Seiko Epson CorporationInventors: Kimio Nagasaka, Akira Miyamae, Takeo Kaneko, Hitoshi Nakayama, Shojiro Kitamura
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Patent number: 6793405Abstract: An optical module which can be made more compact and lightweight. An end portion (18) of a mounting substrate (10) forms a mirror which reflects light through 90 degrees. A surface-emission laser (22) is disposed so that a light-emitting aperture (28) faces the end portion (18). Within the mounting substrate (10) are formed a core (12) extending along the plane of the mounting substrate (10) and a cladding (14). The mounting substrate (10) doubles as an optical waveguide. Therefore, the optical module can be made thinner. As a result, the optical module can be made more compact and lightweight.Type: GrantFiled: April 4, 2000Date of Patent: September 21, 2004Assignee: Seiko Epson CorporationInventors: Akihiro Murata, Shojiro Kitamura
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Patent number: 6695492Abstract: The invention provides an optical module, in which a surface-emitting laser and an optical fiber are coupled, with the optical axes thereof crossed at a predetermined angle, at low cost. A supporting member supports the end of an optical fiber, in which the extending direction of a through hole and a face at the optical fiber end are orthogonal to each other. A surface-emitting laser and the supporting member are coupled by metal projections having different heights, so that a light-emitting face of the surface-emitting laser and the face of the supporting member are disposed so as to be opposed to each other at a predetermined angle. After the projections are formed on an electrode and metal patterns on the surface of the surface-emitting laser by a method based on wire bonding, the leading ends thereof are fixed to metal patterns of the supporting member by ultrasonic welding.Type: GrantFiled: March 28, 2001Date of Patent: February 24, 2004Assignee: Seiko Epson CorporationInventors: Tsugio Ide, Shojiro Kitamura, Atsushi Harada
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Publication number: 20040022487Abstract: The invention provides an optical transceiver which makes it possible to simplify a production process. An optical transceiver of the present invention includes an optical socket to mount an optical plug disposed at one end portion of an optical fiber); a light-condensing device; and an optical element to emit light in accordance with a supplied electrical signal and an optical element to generate an electrical signal in accordance with a received light signal; and a light-transmissive substrate to support the optical socket, the light-condensing device, and the optical elements so that the optical fiber, the light-condensing device, and the optical elements are aligned on an optical axis of the optical transceiver.Type: ApplicationFiled: June 24, 2003Publication date: February 5, 2004Applicant: SEIKO EPSON CORPORATIONInventors: Kimio Nagasaka, Akira Miyamae, Takeo Kaneko, Eiichi Fujii, Jun Amako, Tsugio Ide, Shojiro Kitamura