Patents by Inventor Barry Wu

Barry Wu 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).

  • Type I-II transistor with a manufacturable ledge
    Patent number: 12622007
    Abstract: A transistor comprising a plurality of semiconductor layers arranged to form a base, an emitter and a collector wherein the emitter is of a first semiconductor material and comprises an emitter ledge being made from a material which is selectively etchable relative to the emitter or base material to produce the emitter ledge that is lattice matched.
    Type: Grant
    Filed: July 21, 2025
    Date of Patent: May 5, 2026
    Assignee: ElectroPhotonic-IC Inc.
    Inventors: Lawrence E. Tarof, Barry Wu, Dhiraj Kumar, Milton Feng
  • Systems and methods for securing extranet transactions
    Patent number: 6799177
    Abstract: The systems and methods described herein relate to secure extranets which utilize certificate authentication to mediate access, transactions, and user tracking. Such extranets may be employed to provide an interface accessible over a network, such as the Internet, capable of authenticating and recording transactions for business, medical, or other purposes.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: September 28, 2004
    Assignees: Verizon Corporate Services Group Inc., BBNT Solutions LLC, Genuity Inc.
    Inventors: Joyce Fai, Sharyn Marie Garrity, Ronald Lewis Scott, Aaron Mark Helsinger, Richard LaRowe, Jr., Timothy P. Ells, Barry Wu, Ann-Mara Lanza