Patents by Inventor Toshimasa Amiya

Toshimasa Amiya 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).

  • Light-emitting device and method of manufacturing the same
    Patent number: 11996504
    Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: May 28, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Shoichi Kashihara, Masanobu Sato, Toshimasa Amiya
  • LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20230207752
    Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.
    Type: Application
    Filed: February 22, 2023
    Publication date: June 29, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Shoichi KASHIHARA, Masanobu SATO, Toshimasa AMIYA
  • Light-emitting device and method of manufacturing the same
    Patent number: 11621379
    Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: April 4, 2023
    Assignee: Nichia Corporation
    Inventors: Shoichi Kashihara, Masanobu Sato, Toshimasa Amiya
  • LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20210184086
    Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 17, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Shoichi KASHIHARA, Masanobu SATO, Toshimasa AMIYA
  • Light-emitting device and method of manufacturing the same
    Patent number: 10964859
    Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: March 30, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Shoichi Kashihara, Masanobu Sato, Toshimasa Amiya
  • LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20190237641
    Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.
    Type: Application
    Filed: January 30, 2019
    Publication date: August 1, 2019
    Applicant: NICHIA CORPORATION
    Inventors: Shoichi Kashihara, Masanobu Sato, Toshimasa Amiya