Patents by Inventor Tomoaki Tsuruha

Tomoaki Tsuruha 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).

  • Patent number: 11876153
    Abstract: A light emitting apparatus includes: an electrically insulating base member having, in a top plan view, a first edge, a second edge opposite the first edge, a third edge, and a fourth edge opposite the third edge, wherein the first and second edges of the base member extend in a first direction, and the third and fourth edges of the base member extend in a second direction; first and second electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the first and second electrically conductive pattern portions; a transparent member disposed on the at least one light emitting device; and a resin portion that surrounds the transparent member in the top plan view, and that partially covers the first and second electrically conductive pattern portions.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: January 16, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Publication number: 20230207745
    Abstract: A light emitting apparatus includes: an electrically insulating base member having, in a top plan view, a first edge, a second edge opposite the first edge, a third edge, and a fourth edge opposite the third edge, wherein the first and second edges of the base member extend in a first direction, and the third and fourth edges of the base member extend in a second direction; first and second electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the first and second electrically conductive pattern portions; a transparent member disposed on the at least one light emitting device; and a resin portion that surrounds the transparent member in the top plan view, and that partially covers the first and second electrically conductive pattern portions.
    Type: Application
    Filed: March 10, 2023
    Publication date: June 29, 2023
    Applicant: Nichia Corporation
    Inventors: Tomonori MIYOSHI, Kenji OZEKI, Tomoaki TSURUHA
  • Patent number: 11626543
    Abstract: A light emitting apparatus includes: an electrically insulating base member that has first and second sides extending in a width direction, and third and fourth sides extending in a length direction, wherein the third and fourth sides are longer than the first and second sides; a plurality of electrically conductive pattern portions; a plurality of light emitting devices mounted on the electrically conductive pattern portions, the light emitting devices being arrayed in the length direction; a protection element that is flip chip mounted on the electrically conductive pattern portions and located, in the plan view, between the light emitting devices and the third side of the base member in the width direction; a first resin part that has a frame shape; a second resin part that is located in the first resin part; and at least one transparent member located on the light emitting devices.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: April 11, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Patent number: 10930822
    Abstract: A method of manufacturing a light emitting device includes: providing particles of a fluorescent material; providing a substrate having a light emitting element mounted thereon; providing a first resin solution and a second resin solution that are two components of a two-component type curable resin; mixing the particles of the fluorescent material in the first resin solution to obtain a first suspension; allowing the first suspension to stand; mixing the second resin solution with the first suspension to obtain a second suspension after the allowing of the first suspension to stand; and applying the second suspension on the light emitting element and curing the second suspension to obtain a sealing member.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: February 23, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Tomoaki Tsuruha, Noritsugu Uchiwa
  • Publication number: 20200335669
    Abstract: A light emitting apparatus includes: an electrically insulating base member that has first and second sides extending in a width direction, and third and fourth sides extending in a length direction, wherein the third and fourth sides are longer than the first and second sides; a plurality of electrically conductive pattern portions; a plurality of light emitting devices mounted on the electrically conductive pattern portions, the light emitting devices being arrayed in the length direction; a protection element that is flip chip mounted on the electrically conductive pattern portions and located, in the plan view, between the light emitting devices and the third side of the base member in the width direction; a first resin part that has a frame shape; a second resin part that is located in the first resin part; and at least one transparent member located on the light emitting devices.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Tomonori MIYOSHI, Kenji OZEKI, Tomoaki TSURUHA
  • Patent number: 10741729
    Abstract: A light emitting apparatus includes an electrically insulating base member; a first electrically conductive pattern portion and a second electrically conductive pattern portion formed on an upper surface of the base member; a plurality of intermediate electrically conductive pattern portions arranged between the first and second electrically conductive pattern portions; at least one light emitting device mounted on at least one of the intermediate electrically conductive pattern portions; a protection element mounted on the first and second electrically conductive pattern portions; and a resin portion disposed around the at least one light emitting device such that (i) the first and second electrically conductive pattern portions are partially covered by the resin portion and partially exposed from the resin portion, and (ii) the protection element is covered by the resin portion.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: August 11, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Publication number: 20190157518
    Abstract: A method of manufacturing a light emitting device includes: providing particles of a fluorescent material; providing a substrate having a light emitting element mounted thereon; providing a first resin solution and a second resin solution that are two components of a two-component type curable resin; mixing the particles of the fluorescent material in the first resin solution to obtain a first suspension; allowing the first suspension to stand; mixing the second resin solution with the first suspension to obtain a second suspension after the allowing of the first suspension to stand; and applying the second suspension on the light emitting element and curing the second suspension to obtain a sealing member.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Inventors: Tomoaki TSURUHA, Noritsugu UCHIWA
  • Patent number: 10224465
    Abstract: A method of manufacturing a light emitting device includes: providing particles of a fluorescent material; providing a substrate having a light emitting element mounted thereon; providing a first resin solution and a second resin solution that are two components of a two-component type curable resin; mixing the particles of the fluorescent material in the first resin solution to obtain a first suspension; mixing the second resin solution with the first suspension to obtain a second suspension, and applying the second suspension on the light emitting element and curing the second suspension to obtain a sealing member.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 5, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Tomoaki Tsuruha, Noritsugu Uchiwa
  • Patent number: 10090446
    Abstract: To provide a light emitting device having high light extraction efficiency, and a method for manufacturing the light emitting device. A method for manufacturing a light emitting device (100) according to the present invention, includes: forming a sealing member (40) for sealing a light emitting element (10) on a base body (30) by dropping, the base body (30) including a conductive member (20) for connecting to the light emitting element (10), and a molding (25) integrally molded with the conductive member (20); the sealing member (10) being formed such that at least a part of a periphery of the sealing member (40) is located on an outward surface (38) of the conductive member (20) or the molding (25), the outward surface facing outward in a top view.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: October 2, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Masafumi Kuramoto, Daisuke Iwakura, Kenji Ozeki, Tomoaki Tsuruha, Satoshi Okada, Masaki Hayashi
  • Publication number: 20170279010
    Abstract: A method of manufacturing a light emitting device includes: providing particles of a fluorescent material; providing a substrate having a light emitting element mounted thereon; providing a first resin solution and a second resin solution that are two components of a two-component type curable resin; mixing the particles of the fluorescent material in the first resin solution to obtain a first suspension; mixing the second resin solution with the first suspension to obtain a second suspension, and applying the second suspension on the light emitting element and curing the second suspension to obtain a sealing member.
    Type: Application
    Filed: March 23, 2017
    Publication date: September 28, 2017
    Inventors: Tomoaki TSURUHA, Noritsugu UCHIWA
  • Publication number: 20160133800
    Abstract: A light emitting apparatus includes an electrically insulating base member; a first electrically conductive pattern portion and a second electrically conductive pattern portion formed on an upper surface of the base member; a plurality of intermediate electrically conductive pattern portions arranged between the first and second electrically conductive pattern portions; at least one light emitting device mounted on at least one of the intermediate electrically conductive pattern portions; a protection element mounted on the first and second electrically conductive pattern portions; and a resin portion disposed around the at least one light emitting device such that (i) the first and second electrically conductive pattern portions are partially covered by the resin portion and partially exposed from the resin portion, and (ii) the protection element is covered by the resin portion.
    Type: Application
    Filed: January 5, 2016
    Publication date: May 12, 2016
    Applicant: Nichia Corporation
    Inventors: Tomonori MIYOSHI, Kenji OZEKI, Tomoaki TSURUHA
  • Patent number: 9276181
    Abstract: A light emitting apparatus includes an electrically insulating base member having a longitudinal direction; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device with at least an upper surface of the at least one light emitting device being exposed from the resin portion and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. Each of the electrically conductive pattern portions forms a narrower area and a wider area in the longitudinal direction.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: March 1, 2016
    Assignee: Nichia Corporation
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Publication number: 20150270456
    Abstract: A light emitting apparatus includes an electrically insulating base member having a longitudinal direction; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device with at least an upper surface of the at least one light emitting device being exposed from the resin portion and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. Each of the electrically conductive pattern portions forms a narrower area and a wider area in the longitudinal direction.
    Type: Application
    Filed: June 4, 2015
    Publication date: September 24, 2015
    Applicant: Nichia Corporation
    Inventors: Tomonori MIYOSHI, Kenji OZEKI, Tomoaki TSURUHA
  • Patent number: 9076948
    Abstract: A light emitting apparatus comprises an electrically insulating base member; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. At least the resin-covered parts of each of the electrically conductive pattern portions has at least one elongated through hole extending in a direction in which the electrically conductive pattern portions extend from the resin-covered parts, wherein the resin portion contacts the base member via the through holes.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: July 7, 2015
    Assignee: NICHIA CORPORATION
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Publication number: 20140239320
    Abstract: A light emitting apparatus comprises an electrically insulating base member; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. At least the resin-covered parts of each of the electrically conductive pattern portions has at least one elongated through hole extending in a direction in which the electrically conductive pattern portions extend from the resin-covered parts, wherein the resin portion contacts the base member via the through holes.
    Type: Application
    Filed: May 12, 2014
    Publication date: August 28, 2014
    Applicant: Nichia Corporation
    Inventors: Tomonori MIYOSHI, Kenji OZEKI, Tomoaki TSURUHA
  • Patent number: 8759124
    Abstract: A light emitting apparatus comprises an electrically insulating base member; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. At least the resin-covered parts of each of the electrically conductive pattern portions has at least one elongated through hole extending in a direction in which the electrically conductive pattern portions extend from the resin-covered parts, wherein the resin portion contacts the base member via the through holes.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: June 24, 2014
    Assignee: Nichia Corporation
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Publication number: 20140124812
    Abstract: To provide a light emitting device having high light extraction efficiency, and a method for manufacturing the light emitting device. A method for manufacturing a light emitting device (100) according to the present invention, includes: forming a sealing member (40) for sealing a light emitting element (10) on a base body (30) by dropping, the base body (30) including a conductive member (20) for connecting to the light emitting element (10), and a molding (25) integrally molded with the conductive member (20); the sealing member (10) being formed such that at least a part of a periphery of the sealing member (40) is located on an outward surface (38) of the conductive member (20) or the molding (25), the outward surface facing outward in a top view.
    Type: Application
    Filed: May 15, 2012
    Publication date: May 8, 2014
    Applicant: NICHIA CORPORATION
    Inventors: Masafumi Kuramoto, Daisuke Iwakura, Kenji Ozeki, Tomoaki Tsuruha, Satoshi Okada, Masaki Hayashi
  • Publication number: 20120104452
    Abstract: A light emitting apparatus comprises an electrically insulating base member; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. At least the resin-covered parts of each of the electrically conductive pattern portions has at least one elongated through hole extending in a direction in which the electrically conductive pattern portions extend from the resin-covered parts, wherein the resin portion contacts the base member via the through holes.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 3, 2012
    Inventors: Tomonori MIYOSHI, Kenji Ozeki, Tomoaki Tsuruha