Patents Examined by Demla R Forde
  • Multi-wavelength semiconductor laser device
    Patent number: 8687668
    Abstract: A multi-wavelength semiconductor laser device includes a block having a rectangular groove with a bottom face and two side faces extending in a predetermined direction; and laser diodes with different light emission wavelengths mounted on the bottom face and the side faces of the groove in the block so that their laser beams are emitted in the predetermined direction.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: April 1, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventor: Yuji Okura