Patents by Inventor Koji Honjo

Koji Honjo 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).

  • Semiconductor light emitting element
    Patent number: 7288797
    Abstract: A semiconductor light emitting element includes an conductive oxide film containing at least one element selected from the group consisting of zinc, indium, tin, and magnesium that is electrically connected to the semiconductor layer. The conductive oxide film includes a plurality of voids in the vicinity of the interface with the semiconductor layer.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: October 30, 2007
    Assignee: Nichia Corporation
    Inventors: Koichiro Deguchi, Hisashi Kasai, Takeshi Kususe, Koji Honjo, Takao Yamada
  • SEMICONDUCTOR LIGHT EMITTING ELEMENT
    Publication number: 20050156189
    Abstract: A semiconductor light emitting element includes an conductive oxide film containing at least one element selected from the group consisting of zinc, indium, tin, and magnesium that is electrically connected to the semiconductor layer. The conductive oxide film includes a plurality of voids in the vicinity of the interface with the semiconductor layer.
    Type: Application
    Filed: January 19, 2005
    Publication date: July 21, 2005
    Applicant: NICHIA CORPORATION
    Inventors: Koichiro Deguchi, Hisashi Kasai, Takeshi Kususe, Koji Honjo, Takao Yamada
  • Point emission type light emitting element and concentrating point emission type light emitting element
    Patent number: 6882672
    Abstract: To provide a point emission type light emitting element that restricts the light emitting area within a sufficiently tiny region and can be manufactured at a low cost, the point emission type light emitting element is a light emitting element that has stripe ridge comprising an n-type layer, an active layer and a p-type layer that are formed from semiconductors on a substrate, so as to emit light from one end face of the stripe ridge, wherein the stripe ridge has a protruding portion on the end face described above and the surface of the light emitting element is covered with an shading film except for the tip of the protruding portion.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: April 19, 2005
    Assignee: Nichia Corporation
    Inventors: Yukitoshi Marutani, Akira Kitano, Susumu Harada, Kazuyuki Akaishi, Masahiko Sano, Koji Honjo, Hitoshi Maegawa
  • Point emission type light emitting element and concentrating point emission type light emitting element
    Publication number: 20020167983
    Abstract: To provide a point emission type light emitting element that restricts the light emitting area within a sufficiently tiny region and can be manufactured at a low cost, the point emission type light emitting element is a light emitting element that has stripe ridge comprising an n-type layer, an active layer and a p-type layer that are formed from semiconductors on a substrate, so as to emit light from one end face of the stripe ridge, wherein the stripe ridge has a protruding portion on the end face described above and the surface of the light emitting element is covered with an shading film except for the tip of the protruding portion.
    Type: Application
    Filed: March 18, 2002
    Publication date: November 14, 2002
    Inventors: Yukitoshi Marutani, Akira Kitano, Susumu Harada, Kazuyuki Akaishi, Masahiko Sano, Koji Honjo, Hitoshi Maegawa