Patents by Inventor Takuya WASA

Takuya WASA 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: 11271145
    Abstract: A light emitting device includes: a substrate including: a flexible base member, a first wiring pattern located on the upper surface of the base member, the first wiring pattern including: a first component-side conductive portion, and a second component-side conductive portion, and a plurality of reinforcing lands located on the upper surface of the base member, the plurality of reinforcing lands including: a first reinforcing land, and a second reinforcing land; and a plurality of light emitting elements mounted on the substrate, each light emitting element being electrically connected to the first component-side conductive portion and the second component-side conductive portion.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: March 8, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Fujikawa, Takuya Wasa, Yosuke Nakayama
  • Patent number: 11257993
    Abstract: A light emitting device includes: a substrate; and at least one light-emitting part comprising a light source and a sealing member covering the light source, wherein the sealing member includes a dent and a peripheral portion surrounding the dent, and includes at least one projection at the peripheral portion.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: February 22, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Wasa, Shinya Kondo, Takenori Kumakura
  • Publication number: 20210036201
    Abstract: A light emitting device includes: a substrate including: a flexible base member, a first wiring pattern located on the upper surface of the base member, the first wiring pattern including: a first component-side conductive portion, and a second component-side conductive portion, and a plurality of reinforcing lands located on the upper surface of the base member, the plurality of reinforcing lands including: a first reinforcing land, and a second reinforcing land; and a plurality of light emitting elements mounted on the substrate, each light emitting element being electrically connected to the first component-side conductive portion and the second component-side conductive portion.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 4, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Yasuo FUJIKAWA, Takuya WASA, Yosuke NAKAYAMA
  • Patent number: 10847695
    Abstract: A light emitting device includes a first substrate including a flexible first base member and a first wiring pattern provided on the first base member; a second substrate including a second base member and a second wiring pattern provided on the second base member; and a plurality of light emitting elements mounted on the first wiring pattern. The first substrate includes: a joining end portion that is located at a first, joining end of the first substrate, and that overlaps a portion of the second substrate, and a second end, other than the joining end, that does not overlap the second substrate. The first wiring pattern and the second wiring pattern do not face each other. An electrically conductive joining member is disposed across the first wiring pattern and the second wiring pattern, while partially covering the joining end portion of the first substrate.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: November 24, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Fujikawa, Takuya Wasa, Yosuke Nakayama
  • Publication number: 20200335674
    Abstract: A light emitting device includes: a substrate; and at least one light-emitting part comprising a light source and a sealing member covering the light source, wherein the sealing member includes a dent and a peripheral portion surrounding the dent, and includes at least one projection at the peripheral portion.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Takuya WASA, Shinya KONDO, Takenori KUMAKURA
  • Patent number: 10801704
    Abstract: A light emitting device includes a plurality of oblong flexible substrates, each flexible substrate comprising a sheet-shaped base body and a wiring pattern formed on one face of the base body, and each flexible substrate having a plurality of light emitting sections disposed thereon; a plurality of a reflective layers, each reflective layer being disposed at a periphery of a respective light emitting section above a respective flexible substrate; an insulating reflective sheet made of a light reflecting resin, the reflective sheet having a plurality of through holes located such that the light emitting sections and at least a portion of the reflective layers are exposed via the through holes; and a plurality of adhesive members, each adhesive member adhering a respective flexible substrate to the reflective sheet in regions where the reflective layer is not formed.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: October 13, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Fujikawa, Takuya Wasa, Tomohiro Ikeda, Yohei Inayoshi, Motokazu Yamada
  • Patent number: 10749082
    Abstract: A method of manufacturing a light emitting device includes: providing a substrate and a plurality of light sources disposed on the substrate; and forming a plurality of sealing members, each covering a respective one of the plurality of light sources, by supplying a sealing material onto the substrate through a plurality of nozzles of a discharge device. The step of forming the plurality of sealing members includes: performing a first forming step, in which at least one of the sealing members is formed such that a portion of the sealing material is retained dangling from a respective at least one of the plurality of nozzles as at least one dangling thread portion, and successively performing a second forming step, which is started while the at least one dangling thread portion of the sealing material is retained dangling from the at least one of the plurality of nozzles of the discharge device.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: August 18, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Wasa, Shinya Kondo, Takenori Kumakura
  • Publication number: 20190267520
    Abstract: A method of manufacturing a light emitting device includes: providing a substrate and a plurality of light sources disposed on the substrate; and forming a plurality of sealing members, each covering a respective one of the plurality of light sources, by supplying a sealing material onto the substrate through a plurality of nozzles of a discharge device. The step of forming the plurality of sealing members includes: performing a first forming step, in which at least one of the sealing members is formed such that a portion of the sealing material is retained dangling from a respective at least one of the plurality of nozzles as at least one dangling thread portion, and successively performing a second forming step, which is started while the at least one dangling thread portion of the sealing material is retained dangling from the at least one of the plurality of nozzles of the discharge device.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 29, 2019
    Applicant: NICHIA CORPORATION
    Inventors: Takuya WASA, Shinya KONDO, Takenori KUMAKURA
  • Publication number: 20190257499
    Abstract: A light emitting device includes a plurality of oblong flexible substrates, each flexible substrate comprising a sheet-shaped base body and a wiring pattern formed on one face of the base body, and each flexible substrate having a plurality of light emitting sections disposed thereon; a plurality of a reflective layers, each reflective layer being disposed at a periphery of a respective light emitting section above a respective flexible substrate; an insulating reflective sheet made of a light reflecting resin, the reflective sheet having a plurality of through holes located such that the light emitting sections and at least a portion of the reflective layers are exposed via the through holes; and a plurality of adhesive members, each adhesive member adhering a respective flexible substrate to the reflective sheet in regions where the reflective layer is not formed.
    Type: Application
    Filed: May 2, 2019
    Publication date: August 22, 2019
    Applicant: NICHIA CORPORATION
    Inventors: Yasuo FUJIKAWA, Takuya WASA, Tomohiro IKEDA, Yohei INAYOSHI, Motokazu YAMADA
  • Patent number: 10317050
    Abstract: A light emitting device includes a plurality of oblong flexible substrates, each flexible substrate comprising a sheet-shaped base body and a wiring pattern formed on one face of the base body, and each flexible substrate having a plurality of light emitting sections disposed thereon; a plurality of a reflective layers, each reflective layer being disposed at a periphery of a respective light emitting section above a respective flexible substrate; an insulating reflective sheet made of a light reflecting resin, the reflective sheet having a plurality of through holes located such that the light emitting sections and at least a portion of the reflective layers are exposed via the through holes; and a plurality of adhesive members, each adhesive member adhering a respective flexible substrate to the reflective sheet in regions where the reflective layer is not formed.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: June 11, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Fujikawa, Takuya Wasa, Tomohiro Ikeda, Yohei Inayoshi, Motokazu Yamada
  • Publication number: 20190074419
    Abstract: A light emitting device includes a first substrate including a flexible first base member and a first wiring pattern provided on the first base member; a second substrate including a second base member and a second wiring pattern provided on the second base member; and a plurality of light emitting elements mounted on the first wiring pattern. The first substrate includes: a joining end portion that is located at a first, joining end of the first substrate, and that overlaps a portion of the second substrate, and a second end, other than the joining end, that does not overlap the second substrate. The first wiring pattern and the second wiring pattern do not face each other. An electrically conductive joining member is disposed across the first wiring pattern and the second wiring pattern, while partially covering the joining end portion of the first substrate.
    Type: Application
    Filed: October 26, 2018
    Publication date: March 7, 2019
    Applicant: NICHIA CORPORATION
    Inventors: Yasuo FUJIKAWA, Takuya WASA, Yosuke NAKAYAMA
  • Patent number: 10134966
    Abstract: A light emitting device includes a first substrate including a flexible first base member and a first wiring pattern provided on the first base member; a second substrate including a second base member and a second wiring pattern provided on the second base member; and a plurality of light emitting elements mounted on the first wiring pattern. The first substrate includes: a joining end portion that is located at a first, joining end of the first substrate, and that overlaps a portion of the second substrate, and a second end, other than the joining end, that does not overlap the second substrate. The first wiring pattern and the second wiring pattern do not face each other. An electrically conductive joining member is disposed across the first wiring pattern and the second wiring pattern, while partially covering the joining end portion of the first substrate.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: November 20, 2018
    Assignee: Nichia Corporation
    Inventors: Yasuo Fujikawa, Takuya Wasa, Yosuke Nakayama
  • Publication number: 20180180263
    Abstract: A light emitting device includes a plurality of oblong flexible substrates, each flexible substrate comprising a sheet-shaped base body and a wiring pattern formed on one face of the base body, and each flexible substrate having a plurality of light emitting sections disposed thereon; a plurality of a reflective layers, each reflective layer being disposed at a periphery of a respective light emitting section above a respective flexible substrate; an insulating reflective sheet made of a light reflecting resin, the reflective sheet having a plurality of through holes located such that the light emitting sections and at least a portion of the reflective layers are exposed via the through holes; and a plurality of adhesive members, each adhesive member adhering a respective flexible substrate to the reflective sheet in regions where the reflective layer is not formed.
    Type: Application
    Filed: February 21, 2018
    Publication date: June 28, 2018
    Applicant: NICHIA CORPORATION
    Inventors: Yasuo FUJIKAWA, Takuya WASA, Tomohiro IKEDA, Yohei INAYOSHI, Motokazu YAMADA
  • Patent number: 9951925
    Abstract: A light emitting device includes a reflective sheet having a light reflecting face; a plurality of oblong flexible substrates; and a plurality of light emitting sections disposed at intervals on a face of each of the flexible substrates. The plurality of the flexible substrates comprises a first group of flexible substrates that are lined up at intervals in a first direction and a second group of flexible substrates that are lined up at intervals in a second direction such that the flexible substrates of the second group intersect the flexible substrates of the first group. The first group and the second group are layered in a thickness direction and adhered to at least one face of the reflective sheet so as to expose the plurality of light emitting sections.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: April 24, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Fujikawa, Takuya Wasa
  • Patent number: 9933140
    Abstract: A light emitting device includes a plurality of oblong flexible substrates, each flexible substrate comprising a sheet-shaped base body and a wiring pattern formed on one face of the base body, and each flexible substrate having a plurality of light emitting sections disposed thereon; a plurality of a reflective layers, each reflective layer being disposed at a periphery of a respective light emitting section above a respective flexible substrate; an insulating reflective sheet made of a light reflecting resin, the reflective sheet having a plurality of through holes located such that the light emitting sections and at least a portion of the reflective layers are exposed via the through holes; and a plurality of adhesive members, each adhesive member adhering a respective flexible substrate to the reflective sheet in regions where the reflective layer is not formed.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: April 3, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Fujikawa, Takuya Wasa, Tomohiro Ikeda, Yohei Inayoshi, Motokazu Yamada
  • Publication number: 20160252218
    Abstract: A light emitting device includes a plurality of oblong flexible substrates, each flexible substrate comprising a sheet-shaped base body and a wiring pattern formed on one face of the base body, and each flexible substrate having a plurality of light emitting sections disposed thereon; a plurality of a reflective layers, each reflective layer being disposed at a periphery of a respective light emitting section above a respective flexible substrate; an insulating reflective sheet made of a light reflecting resin, the reflective sheet having a plurality of through holes located such that the light emitting sections and at least a portion of the reflective layers are exposed via the through holes; and a plurality of adhesive members, each adhesive member adhering a respective flexible substrate to the reflective sheet in regions where the reflective layer is not formed.
    Type: Application
    Filed: February 26, 2016
    Publication date: September 1, 2016
    Applicant: NICHIA CORPORATION
    Inventors: Yasuo FUJIKAWA, Takuya WASA, Tomohiro IKEDA, Yohei INAYOSHI, Motokazu YAMADA
  • Publication number: 20160252231
    Abstract: A light emitting device includes a reflective sheet having a light reflecting face; a plurality of oblong flexible substrates; and a plurality of light emitting sections disposed at intervals on a face of each of the flexible substrates. The plurality of the flexible substrates comprises a first group of flexible substrates that are lined up at intervals in a first direction and a second group of flexible substrates that are lined up at intervals in a second direction such that the flexible substrates of the second group intersect the flexible substrates of the first group. The first group and the second group are layered in a thickness direction and adhered to at least one face of the reflective sheet so as to expose the plurality of light emitting sections.
    Type: Application
    Filed: February 26, 2016
    Publication date: September 1, 2016
    Applicant: NICHIA CORPORATION
    Inventors: Yasuo FUJIKAWA, Takuya WASA
  • Publication number: 20160254429
    Abstract: A light emitting device includes a first substrate including a flexible first base member and a first wiring pattern provided on the first base member; a second substrate including a second base member and a second wiring pattern provided on the second base member; and a plurality of light emitting elements mounted on the first wiring pattern. The first substrate includes: a joining end portion that is located at a first, joining end of the first substrate, and that overlaps a portion of the second substrate, and a second end, other than the joining end, that does not overlap the second substrate. The first wiring pattern and the second wiring pattern do not face each other. An electrically conductive joining member is disposed across the first wiring pattern and the second wiring pattern, while partially covering the joining end portion of the first substrate.
    Type: Application
    Filed: February 26, 2016
    Publication date: September 1, 2016
    Applicant: NICHIA CORPORATION
    Inventors: Yasuo FUJIKAWA, Takuya WASA, Yosuke NAKAYAMA