Patents by Inventor Tsuyoshi Dohkita

Tsuyoshi Dohkita 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 device and method for producing the same
    Patent number: 6806115
    Abstract: A method for producing a semiconductor light emitting device includes the steps of forming a mask layer having a plurality of openings on a surface of a silicon substrate; and forming a column-like multi-layer structure including a light emitting layer in each of the plurality of openings with nitride semiconductor materials. A width between two adjacent openings of the plurality of openings of the mask layer is 10 &mgr;m or less.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: October 19, 2004
    Assignees: Sharp Kabushiki Kaisha
    Inventors: Norikatsu Koide, Junji Yamamoto, Tsuyoshi Dohkita, Nobuhiko Sawaki, Yoshio Honda, Yousuke Kuroiwa, Masahito Yamaguchi
  • Semiconductor light emitting device and method for producing the same
    Publication number: 20030087462
    Abstract: A method for producing a semiconductor light emitting device includes the steps of forming a mask layer having a plurality of openings on a surface of a silicon substrate; and forming a column-like multi-layer structure including a light emitting layer in each of the plurality of openings with nitride semiconductor materials. A width between two adjacent openings of the plurality of openings of the mask layer is 10 &mgr;m or less.
    Type: Application
    Filed: October 30, 2002
    Publication date: May 8, 2003
    Inventors: Norikatsu Koide, Junji Yamamoto, Tsuyoshi Dohkita, Nobuhiko Sawaki, Yoshio Honda, Yousuke Kuroiwa, Masahito Yamaguchi