Patents by Inventor Muhammad All

Muhammad All 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).

  • METHOD OF PRODUCING A SEMICONDUCTOR LASER AND SEMICONDUCTOR LASER
    Publication number: 20200028024
    Abstract: A method of manufacturing a semiconductor laser including providing a substrate having a semiconductor layer sequence with an active layer that generates light during operation of the semiconductor laser, applying a continuous contact layer having at least one first partial region and at least one second partial region on a bottom side of the substrate opposite the semiconductor layer sequence, and locally annealing the contact layer only in the at least one first partial region.
    Type: Application
    Filed: October 25, 2017
    Publication date: January 23, 2020
    Inventors: Alfred Lell, Georg Brüderl, John Brückner, Sven Gerhard, Muhammad All, Thomas Adlhoch