Patents by Inventor Hideki Yonekura
Hideki Yonekura 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: 9081159Abstract: A method of manufacturing an optical waveguide, includes forming a first light path core layer having a first light path length on a first cladding layer, forming a groove portion having an inclined surface in an end side of the first light path core layer, forming a second light path core layer having a second light path length which is longer than the first light path length, in a lateral area of the first light path core layer, forming a groove portion having an inclined surface, arranged to an outer side than the groove portion of the first light path core layer, in an end side of the second light path core layer, forming partially a metal layer on the respective inclined surfaces of the first and second light path core layer, and forming a second cladding layer covering the first and second light path core layer.Type: GrantFiled: December 12, 2011Date of Patent: July 14, 2015Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventors: Kenji Yanagisawa, Hideki Yonekura, Takanori Yamamoto, Kazunao Yamamoto
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Patent number: 8923669Abstract: An optical wave guide includes an optical waveguide layer in which a core layer is surrounded by a cladding layer, a light path converting portion provided to a light entering side and a light emitting side of the optical waveguide layer respectively, a light entering portion demarcated in an outer surface of the cladding layer, in which a light is entered to the light path converting portion of the light entering side; and a light emitting portion demarcated in an outer surface of the cladding layer, in which a light from the light path converting portion of the light emitting side is emitted, wherein an outer surface of the cladding layer except the light entering portion and the light emitting portion is formed as a roughened surface.Type: GrantFiled: May 14, 2012Date of Patent: December 30, 2014Assignee: Shinko Electric Industries Co., Ltd.Inventors: Hideki Yonekura, Kenji Yanagisawa, Kazunao Yamamoto, Mieko Yamamoto
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Patent number: 8903203Abstract: An optical waveguide device includes a wiring substrate, an optical waveguide bonded on the wiring substrate and having a light path conversion inclined surface on both ends, and a light path conversion mirror formed to contact the light path conversion inclined surface of the optical waveguide and formed of a light reflective resin layer or a metal paste layer. In case the light reflective resin layer is used as the light path conversion mirror, the light reflective resin layer may be formed partially only on the side of the light path conversion inclined surface, or may be formed on the whole of the wiring substrate to coat the optical waveguide.Type: GrantFiled: November 15, 2010Date of Patent: December 2, 2014Assignee: Shinko Electric Industries Co.Inventors: Takanori Yamamoto, Kenji Yanagisawa, Kazunao Yamamoto, Hideki Yonekura
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Patent number: 8737781Abstract: A method of manufacturing an optical waveguide, includes preparing a light path conversion component including a structure in which a protruding portion having a light path conversion inclined surface is covered with a metal layer and the metal layer serves as a light path conversion mirror, and a structural body in which a core layer is formed on a first cladding layer and an opening portion is provided in an end side of a light path of the core layer, arranging the light path conversion mirror of the light path conversion component in the opening portion of the core layer, and forming a second cladding layer covering the core layer, wherein a light path of a light that propagates through the core layer is converted toward a first cladding layer side by the light path conversion mirror.Type: GrantFiled: December 1, 2011Date of Patent: May 27, 2014Assignee: Shinko Electric Industries Co., Ltd.Inventors: Kazunao Yamamoto, Hideki Yonekura, Kenji Yanagisawa, Takanori Yamamoto
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Patent number: 8737794Abstract: A two-layer optical waveguide includes a core layer having a first surface and a second surface opposite to the first surface, and a cladding layer laminated on the first surface of the core layer. The two-layer optical waveguide further includes a mirror structure provided at a plurality of positions on the first surface of the core layer, the mirror structure directing a light signal which travels in the core layer, toward the second surface of the core layer. Each mirror structure includes an inclined plane formed on the first surface of the core layer, and a metal film formed on the inclined plane.Type: GrantFiled: December 14, 2011Date of Patent: May 27, 2014Assignee: Shinko Electric Industries Co., Ltd.Inventors: Kazunao Yamamoto, Hideki Yonekura, Kenji Yanagisawa, Takanori Yamamoto
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Patent number: 8611715Abstract: A method of manufacturing an optical waveguide, includes forming a first cladding layer on a substrate, forming a core layer on the first cladding layer, forming a groove portion including a light path conversion inclined surface by processing the core layer in a thickness direction, and forming a second cladding layer in which a light path conversion hole is arranged on the light path conversion inclined surface on the first cladding layer and the core layer.Type: GrantFiled: November 22, 2011Date of Patent: December 17, 2013Assignee: Shinko Electric Industries Co., Ltd.Inventors: Takanori Yamamoto, Hideki Yonekura, Kenji Yanagisawa, Kazunao Yamamoto
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Publication number: 20120318964Abstract: An optical wave guide includes an optical waveguide layer in which a core layer is surrounded by a cladding layer, a light path converting portion provided to a light entering side and a light emitting side of the optical waveguide layer respectively, a light entering portion demarcated in an outer surface of the cladding layer, in which a light is entered to the light path converting portion of the light entering side; and a light emitting portion demarcated in an outer surface of the cladding laver, in which a light from the light path converting portion of the light emitting side is emitted, wherein an outer surface of the cladding layer except the light entering portion and the light emitting portion is formed as a roughened. surface.Type: ApplicationFiled: May 14, 2012Publication date: December 20, 2012Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventors: Takanori YAMAMOTO, Mieko Yamamoto, Hideki Yonekura, Kenji Yanagisawa, Kazunao Yamamoto
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Publication number: 20120155822Abstract: A method of manufacturing an optical waveguide, includes forming a first light path core layer having a first light path length on a first cladding layer, forming a groove portion having an inclined surface in an end side of the first light path core layer, forming a second light path core layer having a second light path length which is longer than the first light path length, in a lateral area of the first light path core layer, forming a groove portion having an inclined surface, arranged to an outer side than the groove portion of the first light path core layer, in an end side of the second light path core layer, forming partially a metal layer on the respective inclined surfaces of the first and second light path core layer, and forming a second cladding layer covering the first and second light path core layer.Type: ApplicationFiled: December 12, 2011Publication date: June 21, 2012Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventors: Kenji YANAGISAWA, Hideki YONEKURA, Takanori YAMAMOTO, Kazunao YAMAMOTO
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Publication number: 20120155823Abstract: A two-layer optical waveguide includes a core layer having a first surface and a second surface opposite to the first surface, and a cladding layer laminated on the first surface of the core layer. The two-layer optical waveguide further includes a mirror structure provided at a plurality of positions on the first surface of the core layer, the mirror structure directing a light signal which travels in the core layer, toward the second surface of the core layer. Each mirror structure includes an inclined plane formed on the first surface of the core layer, and a metal film formed on the inclined plane.Type: ApplicationFiled: December 14, 2011Publication date: June 21, 2012Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventors: Kazunao YAMAMOTO, Hideki Yonekura, Kenji Yanagisawa, Takanori Yamamoto
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Publication number: 20120141063Abstract: A method of manufacturing an optical waveguide, includes preparing a light path conversion component including a structure in which a protruding portion having a light path conversion inclined surface is covered with a metal layer and the metal layer serves as a light path conversion mirror, and a structural body in which a core layer is formed on a first cladding layer and an opening portion is provided in an end side of a light path of the core layer, arranging the light path conversion mirror of the light path conversion component in the opening portion of the core layer, and forming a second cladding layer covering the core layer, wherein a light path of a light that propagates through the core layer is converted toward a first cladding layer side by the light path conversion mirror.Type: ApplicationFiled: December 1, 2011Publication date: June 7, 2012Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventors: Kazunao YAMAMOTO, Hideki Yonekura, Kenji Yanagisawa, Takanori Yamamoto
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Publication number: 20120134632Abstract: A method of manufacturing an optical waveguide, includes forming a first cladding layer on a substrate, forming a core layer on the first cladding layer, forming a groove portion including a light path conversion inclined surface by processing the core layer in a thickness direction, and forming a second cladding layer in which a light path conversion hole is arranged on the light path conversion inclined surface on the first cladding layer and the core layer.Type: ApplicationFiled: November 22, 2011Publication date: May 31, 2012Inventors: Takanori YAMAMOTO, Hideki YONEKURA, Kenji YANAGISAWA, Kazunao YAMAMOTO
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Publication number: 20110129182Abstract: An optical waveguide device includes a wiring substrate, an optical waveguide bonded on the wiring substrate and having a light path conversion inclined surface on both ends, and a light path conversion mirror formed to contact the light path conversion inclined surface of the optical waveguide and formed of a light reflective resin layer or a metal paste layer. In case the light reflective resin layer is used as the light path conversion mirror, the light reflective resin layer may be formed partially only on the side of the light path conversion inclined surface, or may be formed on the whole of the wiring substrate to coat the optical waveguide.Type: ApplicationFiled: November 15, 2010Publication date: June 2, 2011Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTDInventors: Takanori YAMAMOTO, Kenji Yanagisawa, Kazunao Yamamoto, Hideki Yonekura
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Patent number: 7873245Abstract: An optoelectric composite substrate of the present invention includes an insulating film, an optical waveguide embedded in the insulating film in a state that an upper surface is exposed from the insulating film, a via hole formed to pass through the insulating film, a conductor formed in the via hole, and a connection terminal on which an optical device is mounted and which is connected to an upper end side of the conductor, wherein the connection terminal is embedded in an upper-side portion of the via hole or is projected from the insulating film.Type: GrantFiled: December 20, 2007Date of Patent: January 18, 2011Assignee: Shinko Electric Industries Co., Ltd.Inventors: Hideki Yonekura, Tadashi Kodaira
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Publication number: 20110007998Abstract: An optical waveguide includes first cores provided on a first clad layer, second cores provided on a second clad layer, and a common clad layer interposed between the first and second clad layers and opposing the first and second cores, and the first cores are separated from the second cores.Type: ApplicationFiled: July 2, 2010Publication date: January 13, 2011Inventors: Takanori YAMAMOTO, Kenji Yanagisawa, Hideki Yonekura
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Patent number: 7865052Abstract: An optical waveguide includes: a first clad layer; a core layer formed on the first clad layer; a second clad layer formed on the core layer; and an optical transmission direction changing part. The optical transmission direction changing part is configured and arranged to change a transmission direction of a light transmitting through the core layer. The optical transmission direction changing part penetrates through the core layer. An optical transmission direction changing surface of the optical transmission direction changing part inclines relative to a predetermined reference plane by a predetermined angle.Type: GrantFiled: March 27, 2009Date of Patent: January 4, 2011Assignee: Shinko Electric Industries Co., Ltd.Inventors: Hideki Yonekura, Takanori Yamamoto, Kazunao Yamamoto, Kenji Yanagisawa
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Patent number: 7801396Abstract: An optoelectric composite substrate of the present invention includes an insulating film, an optical waveguide embedded in the insulating film in a state that an upper surface is exposed from the insulating film, a via hole formed to pass through the insulating film, a conductor formed in the via hole, and a connection terminal on which an optical device is mounted and which is connected to an upper end side of the conductor, wherein the connection terminal is embedded in an upper-side portion of the via hole or is projected from the insulating film.Type: GrantFiled: December 20, 2007Date of Patent: September 21, 2010Assignee: Shinko Electric Industries Co., Ltd.Inventors: Hideki Yonekura, Tadashi Kodaira
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Patent number: 7796851Abstract: A manufacturing method of an optical waveguide, the optical waveguide including a first clad layer; a core layer formed on the first clad layer and configured to propagate light; a second clad layer formed on the first clad layer so as to cover the core layer; and a light propagation direction changing part configured to change a propagation direction of the light propagating in the core layer; the manufacturing method of the optical waveguide includes the steps of forming a concave part penetrating the first clad layer and the core layer; and inserting the light propagation direction changing part into the concave part so that a light propagation direction changing surface of the light propagation direction changing part forms a predetermined inclination angle to a predetermined reference plane.Type: GrantFiled: March 25, 2009Date of Patent: September 14, 2010Assignee: Shinko Electric Industries Co., Ltd.Inventors: Hideki Yonekura, Takanori Yamamoto, Kazunao Yamamoto, Kenji Yanagisawa
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Patent number: 7734124Abstract: An optical waveguide includes an optical waveguide main body and mirrors. The optical waveguide main body includes a first cladding layer, a second cladding layer and a core portion provided between the first cladding layer and the second cladding layer. The optical waveguide main body has a first region in which the core portion and the mirrors are arranged and the light signal is transmitted, and a second region arranged on both sides of the first region and not contributing to a transmission of a light signal. Through vias that pass through the optical waveguide main body is provided in the second region. The first region on a side that faces the light emitting element or the light receiving element is protruded larger than the second region on a side that faces the light emitting element or the light receiving element.Type: GrantFiled: May 9, 2008Date of Patent: June 8, 2010Assignee: Shinko Electric Industries Co., Ltd.Inventors: Hideki Yonekura, Kazunao Yamamoto, Takanori Yamamoto, Kenji Yanagisawa
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Publication number: 20090245726Abstract: An optical waveguide includes: a first clad layer; a core layer formed on the first clad layer; a second clad layer formed on the core layer; and an optical transmission direction changing part. The optical transmission direction changing part is configured and arranged to change a transmission direction of a light transmitting through the core layer. The optical transmission direction changing part penetrates through the core layer. An optical transmission direction changing surface of the optical transmission direction changing part inclines relative to a predetermined reference plane by a predetermined angle.Type: ApplicationFiled: March 27, 2009Publication date: October 1, 2009Inventors: Hideki YONEKURA, Takanori YAMAMOTO, Kazunao YAMAMOTO, Kenji YANAGISAWA
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Publication number: 20090245725Abstract: A manufacturing method of an optical waveguide, the optical waveguide including a first clad layer; a core layer formed on the first clad layer and configured to propagate light; a second clad layer formed on the first clad layer so as to cover the core layer; and a light propagation direction changing part configured to change a propagation direction of the light propagating in the core layer; the manufacturing method of the optical waveguide includes the steps of forming a concave part penetrating the first clad layer and the core layer; and inserting the light propagation direction changing part into the concave part so that a light propagation direction changing surface of the light propagation direction changing part forms a predetermined inclination angle to a predetermined reference plane.Type: ApplicationFiled: March 25, 2009Publication date: October 1, 2009Inventors: Hideki YONEKURA, Takanori YAMAMOTO, Kazunao YAMAMOTO, Kenji YANAGISAWA