Patents by Inventor Sumio Hashimoto
Sumio Hashimoto 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: 9410685Abstract: A lighting apparatus including a plurality of light-emitting elements mounted on a first surface of a substrate, a heat conducting layer disposed on a second surface of the substrate opposite the first surface, and one or more holes extending from the first surface to the second surface of the substrate. A heat conductive and electrically non-conducting material covers an inner surface of the one or more holes, and is thermally connected to the heat conductive layer.Type: GrantFiled: January 17, 2014Date of Patent: August 9, 2016Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 9303855Abstract: A lighting apparatus including at least one light-emitting element mounted on a first surface of a substrate, a heat conducting layer disposed on a second surface of the substrate opposite the first surface, and one or more holes extending from the first surface to the second surface of the substrate. A heat conductive and electrically non-conducting material covers an inner surface of the one or more holes, and is thermally connected to the heat conductive layer.Type: GrantFiled: January 17, 2014Date of Patent: April 5, 2016Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 9279575Abstract: A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer.Type: GrantFiled: January 17, 2014Date of Patent: March 8, 2016Assignees: Kabushiki Kaisha Toshiba, Toshiba Lighting & Technology CorporationInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Publication number: 20140133165Abstract: A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer.Type: ApplicationFiled: January 17, 2014Publication date: May 15, 2014Applicants: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Publication number: 20140133167Abstract: A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conducting material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conducting layer and an electrically conductive layer such that the electrically non-conducting layer is electrically isolated or separated from the electrically conductive layer.Type: ApplicationFiled: January 17, 2014Publication date: May 15, 2014Applicants: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Publication number: 20140133166Abstract: A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer.Type: ApplicationFiled: January 17, 2014Publication date: May 15, 2014Applicants: Toshiba Lighting & Technology CorporationInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 8668355Abstract: A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer.Type: GrantFiled: October 31, 2012Date of Patent: March 11, 2014Assignees: Toshiba Lightning & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 8556460Abstract: A lighting apparatus includes a substrate having a plurality of light-emitting elements mounted thereto. The substrate includes a surface on which a plurality of light-emitting elements are mounted and stress absorbing elements arranged on imaginary straight lines connecting portions for mounting the substrate with each other. The lighting apparatus includes a main body in contact with and fixed to a back surface of the substrate. The lighting apparatus also includes a light directing member in contact with a front surface of the substrate, a plurality of openings into which the plurality of light-emitting elements of the substrate are inserted, and a plurality of reflective surfaces.Type: GrantFiled: May 28, 2009Date of Patent: October 15, 2013Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 8556458Abstract: According to one embodiment, a power source unit includes a substrate and a reflective body. The substrate includes a plurality of light-emitting elements mounted thereon. The reflective body includes a plurality of incident openings each corresponding to one of the plurality of light-emitting elements, an output opening to which light that has passed through the incident opening is output, and a plurality of reflective surfaces that expand from the incident opening toward the output opening. Reflective surfaces included in the plurality of reflective surfaces and positioned on an outermost side are provided to be adjacent to one another, and an angle is set so as to prevent reflective light of light emitted from the light-emitting elements from traveling toward an outer side in a reflective surface formed on the outer side.Type: GrantFiled: June 18, 2010Date of Patent: October 15, 2013Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Kazunari Higuchi, Takayoshi Moriyama, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 8545051Abstract: A substrate for a lighting apparatus includes one or more light-emitting elements mounted thereon. The substrate includes a surface on which the plurality of light-emitting elements are mounted. Additionally, the substrate includes heat conductive elements for conducting heat from the one or more light-emitting elements, the heat conductive elements including heat conductive holes extending through a non-electrically conducting layer formed on a first surface of the substrate and an entirety of the substrate and a heat conductive layer formed on a surface of the substrate opposite the first surface.Type: GrantFiled: August 21, 2012Date of Patent: October 1, 2013Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 8482014Abstract: A lighting apparatus is provided with a plurality of light-emitting devices, a substrate, a blind member, and a reflector. The reflector is formed with a plurality of reflective surfaces corresponding to the light-emitting devices, individually. The shielding angle at which light emitted from that one of the light-emitting devices which is located on the outermost periphery is intercepted by the reflective surface corresponding to the outermost light-emitting device is greater than shielding angles at which light emitted from the light-emitting devices located inside the outermost light-emitting device is intercepted by the reflective surfaces corresponding to the inside light-emitting devices.Type: GrantFiled: October 21, 2009Date of Patent: July 9, 2013Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Kazunari Higuchi, Takayoshi Moriyama, Sumio Hashimoto, Shinichi Kumashiro, Yutaka Honda, Kenji Nezu
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Publication number: 20120314432Abstract: A substrate for a lighting apparatus may include a plurality of light-emitting elements mounted thereon. The substrate may include a surface on which the plurality of light-emitting elements are mounted. Additionally or alternatively, the substrate may include stress absorbing element arranged on, in some examples, imaginary straight lines connecting portion for mounting the substrate with each other.Type: ApplicationFiled: August 21, 2012Publication date: December 13, 2012Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: 8128263Abstract: A light source unit is provided with a substrate and segments of a reflector. The substrate has a plurality of light-emitting devices mounted on its central and peripheral portions. The segments correspond to the light-emitting devices, individually. The segment corresponding to the light-emitting devices mounted on the central portion are higher in thermal radiation capacity than the segment corresponding to the light-emitting devices mounted on the peripheral portion.Type: GrantFiled: September 15, 2009Date of Patent: March 6, 2012Assignee: Toshiba Lighting & Technology CorporationInventors: Kazunari Higuchi, Sumio Hashimoto, Takayoshi Moriyama, Shinichi Kumashiro
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Patent number: 8079736Abstract: A lighting apparatus comprises a housing and a first reflector. The first reflector is mounted beneath the light source and includes a plurality of segmented reflectors, each having at its top, a installation hole and at its bottom, an opening wider than the installation hole. A second reflector is positioned beneath the first reflector. The height of the second reflector causes a first light shielding angle defined by a straight line passing through the installation hole and the bottom edge of the corresponding segmented reflector to be larger than a second light shielding angle defined by a straight line passing through the bottom edge of the segmented reflector and the bottom edge of the second reflector.Type: GrantFiled: April 9, 2010Date of Patent: December 20, 2011Assignee: Toshiba Lighting & Technology CorporationInventors: Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie, Takuro Hiramatsu, Masatoshi Kumagai
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Patent number: 8047687Abstract: A lighting apparatus comprises a housing and a first reflector. The first reflector is mounted beneath the light source and includes a plurality of segmented reflectors, each having at its top, a installation hole and at its bottom, an opening wider than the installation hole. A second reflector is positioned beneath the first reflector. The height of the second reflector causes a first light shielding angle defined by a straight line passing through the installation hole and the bottom edge of the corresponding segmented reflector to be larger than a second light shielding angle defined by a straight line passing through the bottom edge of the segmented reflector and the bottom edge of the second reflector.Type: GrantFiled: April 9, 2010Date of Patent: November 1, 2011Assignee: Toshiba Lighting & technology CorporationInventors: Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie, Takuro Hiramatsu, Masatoshi Kumagai
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Patent number: 8042973Abstract: A lighting apparatus comprises a housing and a first reflector. The first reflector is mounted beneath the light source and includes a plurality of segmented reflectors, each having at its top, a installation hole and at its bottom, an opening wider than the installation hole. A second reflector is positioned beneath the first reflector. The height of the second reflector causes a first light shielding angle defined by a straight line passing through the installation hole and the bottom edge of the corresponding segmented reflector to be larger than a second light shielding angle defined by a straight line passing through the bottom edge of the segmented reflector and the bottom edge of the second reflector.Type: GrantFiled: April 9, 2010Date of Patent: October 25, 2011Assignee: Toshiba Lighting & Technology CorporationInventors: Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie, Takuro Hiramatsu, Masatoshi Kumagai
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Patent number: 7993033Abstract: A reflector built in a down light includes a plurality of floodlight openings respectively exposing a plurality of light-emitting elements to a front surface side, a plurality of radial partition walls which respectively partition and surround these floodlight openings, and an inner circumferential partition wall. Each of the partition walls has a ridge line, and the reflector includes a plurality of reflection concave surfaces each which open and widen from a respective one of the plurality of floodlight openings towards ridge lines of the plurality of partition walls which respectively surround the plurality of floodlight openings. The plurality of radial partition walls extend from the center of the reflector towards the outer circumference, and the inner circumferential partition wall is located between the center and the outer circumference.Type: GrantFiled: May 21, 2009Date of Patent: August 9, 2011Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Takayoshi Moriyama, Kazunari Higuchi, Sumio Hashimoto, Shinichi Kumashiro
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Publication number: 20100321935Abstract: According to one embodiment, a power source unit includes a substrate and a reflective body. The substrate includes a plurality of light-emitting elements mounted thereon. The reflective body includes a plurality of incident openings each corresponding to one of the plurality of light-emitting elements, an output opening to which light that has passed through the incident opening is output, and a plurality of reflective surfaces that expand from the incident opening toward the output opening. Reflective surfaces included in the plurality of reflective surfaces and positioned on an outermost side are provided to be adjacent to one another, and an angle is set so as to prevent reflective light of light emitted from the light-emitting elements from traveling toward an outer side in a reflective surface formed on the outer side.Type: ApplicationFiled: June 18, 2010Publication date: December 23, 2010Applicants: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION, KABUSHIKI KAISHA TOSHIBAInventors: Kazunari HIGUCHI, Takayoshi Moriyama, Sumio Hashimoto, Shinichi Kumashiro
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Patent number: D634884Type: GrantFiled: February 12, 2010Date of Patent: March 22, 2011Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Masayuki Yoshinobu, Kazunari Higuchi, Takayoshi Moriyama, Sumio Hashimoto
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Patent number: D656262Type: GrantFiled: January 11, 2010Date of Patent: March 20, 2012Assignee: Toshiba Lighting & Technology CorporationInventors: Masayuki Yoshinobu, Keiichi Shimizu, Sumio Hashimoto, Masaru Inoue