Patents by Inventor Shogo SAKURABA

Shogo SAKURABA 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 METHOD OF PRODUCING THE SAME
    Publication number: 20220406967
    Abstract: To improve light emission efficiency, in a light-emitting element including a first InAs layer that is undoped or doped with an n-type dopant; an active layer including one or more InAsySb1-y layers (0<y<1); and a second InAs layer doped with a p-type dopant, an AlxIn1-xAs electron blocking layer (0.05?x?0.40) with a thickness of 5 nm to 40 nm is provided between the active layer and the second InAs layer.
    Type: Application
    Filed: October 23, 2020
    Publication date: December 22, 2022
    Applicant: DOWA Electronics Materials Co., Ltd.
    Inventors: Yoshitaka KADOWAKI, Shogo SAKURABA, Osamu TANAKA