Patents by Inventor David Jisen Xu

David Jisen Xu 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).

  • Patent number: 5748817
    Abstract: An optical fiber coupler package comprising an base member having a longitudinal groove disposed therein, and a cover member for the base member, wherein the cover member is shorter in length than the base member and wide enough to completely overlap the groove when placed so as to cover the base member.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: May 5, 1998
    Assignee: The Whitaker Corporation
    Inventors: David Jisen Xu, Sanjay Sudeora