Patents by Inventor Ryuma MARUME

Ryuma MARUME 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: 11888088
    Abstract: A light-emitting device comprising a package comprising a light-emitting element comprising a first surface and a second surface opposite to the first surface, a first light-transmissive member arranged on the second surface of the light-emitting element, paired electrodes at the first surface of the light-emitting element, and a first covering member covering the light-emitting element such that the paired electrodes are exposed from the first covering member. The light-emitting device further comprises a light-guiding plate on which the package is placed, and a second covering member arranged on the light-guiding plate and covering laterally the package. The light-emitting device further comprises paired wirings continuously covering the paired electrodes exposed and the first covering members and being connected to the paired electrodes respectively.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: January 30, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Yoshiki Sato, Masaaki Katsumata, Shinichi Daikoku, Yoshikazu Matsuda, Ryuma Marume, Eiko Minato
  • Publication number: 20230400620
    Abstract: A light-emitting module includes a light source unit, and a light guide member surrounding the light source unit in a plan view and including a first hole portion opening on a side of a first surface of the light guide member and a second hole portion and a third hole portion, the second hole portion and the third hole portion are aligned in a first direction, a depth of the first hole portion from the first surface is shallower than a depth of the second hole portion from the first surface and a depth of the third hole portion from the first surface, and in the plan view, a maximum length of the second hole portion in the first direction is longer than a maximum length of the second hole portion in a second direction orthogonal to the first direction.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 14, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Satoru NIIMI, Ryuma MARUME
  • Publication number: 20220302341
    Abstract: A light-emitting device comprising a package comprising a light-emitting element comprising a first surface and a second surface opposite to the first surface, a first light-transmissive member arranged on the second surface of the light-emitting element, paired electrodes at the first surface of the light-emitting element, and a first covering member covering the light-emitting element such that the paired electrodes are exposed from the first covering member. The light-emitting device further comprises a light-guiding plate on which the package is placed, and a second covering member arranged on the light-guiding plate and covering laterally the package. The light-emitting device further comprises paired wirings continuously covering the paired electrodes exposed and the first covering members and being connected to the paired electrodes respectively.
    Type: Application
    Filed: June 1, 2022
    Publication date: September 22, 2022
    Inventors: Yoshiki SATO, Masaaki KATSUMATA, Shinichi DAIKOKU, Yoshikazu MATSUDA, Ryuma MARUME, Eiko MINATO
  • Patent number: 11380817
    Abstract: A method for manufacturing a light-emitting device includes preparing an intermediate product; the product includes a light-emitting element provided with paired electrodes at a first surface and a first covering member covering the light-emitting element such that portions of surfaces of the paired electrodes are exposed. A metal paste layer is formed, continuously covering the exposed portion of the paired electrodes and the first covering member. Paired wirings are formed for preventing the paired electrodes from being short-circuited. The metal paste layer on the paired electrodes and the metal paste layer on the first covering member are irradiated with laser light to remove the metal paste layer between the paired electrodes and a portion of the metal paste layer on the first covering member.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: July 5, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Yoshiki Sato, Masaaki Katsumata, Shinichi Daikoku, Yoshikazu Matsuda, Ryuma Marume, Eiko Minato
  • Publication number: 20200243711
    Abstract: A method for manufacturing a light-emitting device includes preparing an intermediate product; the product includes a light-emitting element provided with paired electrodes at a first surface and a first covering member covering the light-emitting element such that portions of surfaces of the paired electrodes are exposed. A metal paste layer is formed, continuously covering the exposed portion of the paired electrodes and the first covering member. Paired wirings are formed for preventing the paired electrodes from being short-circuited. The metal paste layer on the paired electrodes and the metal paste layer on the first covering member are irradiated with laser light to remove the metal paste layer between the paired electrodes and a portion of the metal paste layer on the first covering member.
    Type: Application
    Filed: January 28, 2020
    Publication date: July 30, 2020
    Inventors: Yoshiki SATO, Masaaki KATSUMATA, Shinichi DAIKOKU, Yoshikazu MATSUDA, Ryuma MARUME, Eiko MINATO