Patents by Inventor Yousuke KATSUKI

Yousuke KATSUKI 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 apparatus and optical apparatus
    Patent number: 8477823
    Abstract: This semiconductor laser apparatus includes a base, a plurality of electrodes arranged along a first direction on an upper surface of the base, a plurality of semiconductor laser devices bonded to respective upper surfaces of the plurality of electrodes, emitting laser beams in a second direction, and a photodetector having a photosensitive surface arranged in a region of the base in a third direction relative to the plurality of semiconductor laser devices. An electrode arranged in a position other than end portions in the first direction and a fourth direction, of the plurality of electrodes has an extraction wiring portion arranged on the photosensitive surface of the photodetector.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: July 2, 2013
    Assignees: Sanyo Electric Co., Ltd., Sanyo Optec Design Co., Ltd.
    Inventors: Yousuke Katsuki, Yasuyuki Bessho
  • SEMICONDUCTOR LASER APPARATUS AND OPTICAL APPARATUS
    Publication number: 20120106584
    Abstract: This semiconductor laser apparatus includes a base, a plurality of electrodes arranged along a first direction on an upper surface of the base, a plurality of semiconductor laser devices bonded to respective upper surfaces of the plurality of electrodes, emitting laser beams in a second direction, and a photodetector having a photosensitive surface arranged in a region of the base in a third direction relative to the plurality of semiconductor laser devices. An electrode arranged in a position other than end portions in the first direction and a fourth direction, of the plurality of electrodes has an extraction wiring portion arranged on the photosensitive surface of the photodetector.
    Type: Application
    Filed: October 28, 2011
    Publication date: May 3, 2012
    Applicants: SANYO Optec Design Co., Ltd., Sanyo Electric Co., Ltd.
    Inventors: Yousuke KATSUKI, Yasuyuki BESSHO