Patents by Inventor Kosho KAMIJO

Kosho KAMIJO 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).

  • Publication number: 20240329505
    Abstract: A projection optical apparatus is removably installed in a light emitting apparatus and projects light emitted from the light emitting apparatus. The projection optical apparatus includes a plurality of lenses, a lens barrel holding the plurality of lenses, and a first grip extending outward from the exterior of the lens barrel.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Inventors: Hirofumi OKUBO, Naoto TAKEHANA, Kosho Kamijo
  • Patent number: 12072615
    Abstract: A projection optical apparatus is removably installed in a light emitting apparatus and projects light emitted from the light emitting apparatus. The projection optical apparatus includes a plurality of lenses, a lens barrel holding the plurality of lenses, and a first grip extending outward from the exterior of the lens barrel.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: August 27, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hirofumi Okubo, Naoto Takehana, Kosho Kamijo
  • Patent number: 11921407
    Abstract: A fixing device that fixes, to a light emitting device that emits light, a lens barrel included in a projection optical device and holding a plurality of lenses includes a first tube member, a contact section provided on an outer side of the first tube member and in contact with a holding section included in the light emitting device, and a pressing mechanism provided to be opposed to the contact section and configured to press the holding section toward the contact section when the fixing device is attached to the light emitting device.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: March 5, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naoto Takehana, Hirofumi Okubo, Kosho Kamijo
  • Publication number: 20240027729
    Abstract: A projection optical apparatus according to an aspect of the present disclosure includes an optical system that image light enters, a reflector that reflects the image light that exits out of the optical system, and an enclosure that houses the optical system and at least part of the reflector, and the reflector includes a base having a first surface on which the image light is incident and a second surface opposite from the first surface, a reflection layer provided at the first surface of the base, and a heat dissipation member provided at the second surface of the base and including a protrusion protruding from the second surface.
    Type: Application
    Filed: July 25, 2023
    Publication date: January 25, 2024
    Inventors: Yuta ITO, Kosho KAMIJO
  • Publication number: 20220229351
    Abstract: A fixing device that fixes, to a light emitting device that emits light, a lens barrel included in a projection optical device and holding a plurality of lenses includes a first tube member, a contact section provided on an outer side of the first tube member and in contact with a holding section included in the light emitting device, and a pressing mechanism provided to be opposed to the contact section and configured to press the holding section toward the contact section when the fixing device is attached to the light emitting device.
    Type: Application
    Filed: January 20, 2022
    Publication date: July 21, 2022
    Inventors: Naoto TAKEHANA, Hirofumi OKUBO, Kosho KAMIJO
  • Publication number: 20220206242
    Abstract: A projection optical apparatus is removably installed in a light emitting apparatus and projects light emitted from the light emitting apparatus. The projection optical apparatus includes a plurality of lenses, a lens barrel holding the plurality of lenses, and a first grip extending outward from the exterior of the lens barrel.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 30, 2022
    Inventors: Hirofumi OKUBO, Naoto TAKEHANA, Kosho KAMIJO