Patents by Inventor Hi-Roy-Oshi Lang

Hi-Roy-Oshi Lang 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 laser device having plural active regions
    Patent number: 4318059
    Abstract: A monolithically integrated semiconductor laser device capable of producing a plurality of light beams different in wavelength from each other.
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: March 2, 1982
    Assignee: Nippon Electric Co., Ltd.
    Inventors: Hi-Roy-Oshi Lang, Shigeo Matsushita