Patents by Inventor Seiji KAMIDA

Seiji KAMIDA 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 element and light emitting element package
    Patent number: 9799808
    Abstract: A light emitting element includes: a sapphire substrate having a front surface and a rear surface opposite the front surface; a first conductive type semiconductor layer stacked on the front surface of the sapphire substrate; a light emitting layer stacked on the first conductive type semiconductor layer; a second conductive type semiconductor layer stacked on the light emitting layer; a reflective layer which contains Ag and is disposed on the rear surface of the sapphire substrate, the reflective layer reflecting light from the sapphire substrate toward the front surface of the sapphire substrate; and an adhesive layer which is interposed between the sapphire substrate and the reflective layer and is made of ITO, the adhesive layer being adhered to the reflective layer.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: October 24, 2017
    Assignee: ROHM CO., LTD.
    Inventors: Nobuaki Matsui, Seiji Kamida, Tadateru Shibata
  • LIGHT EMITTING ELEMENT AND LIGHT EMITTING ELEMENT PACKAGE
    Publication number: 20140203318
    Abstract: A light emitting element includes: a sapphire substrate having a front surface and a rear surface opposite the front surface; a first conductive type semiconductor layer stacked on the front surface of the sapphire substrate; a light emitting layer stacked on the first conductive type semiconductor layer; a second conductive type semiconductor layer stacked on the light emitting layer; a reflective layer which contains Ag and is disposed on the rear surface of the sapphire substrate, the reflective layer reflecting light from the sapphire substrate toward the front surface of the sapphire substrate; and an adhesive layer which is interposed between the sapphire substrate and the reflective layer and is made of ITO, the adhesive layer being adhered to the reflective layer.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 24, 2014
    Applicant: ROHM CO., LTD.
    Inventors: Nobuaki MATSUI, Seiji KAMIDA, Tadateru SHIBATA