Patents by Inventor Christopher P Sperring

Christopher P Sperring 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).

  • Contact pressure sensor and method for manufacturing the same
    Patent number: 7127949
    Abstract: A contact pressure sensor (10) and method for manufacturing a contact pressure sensor for detecting contact pressure between two surfaces is disclosed. The contact pressure sensor disclosed comprises a substrate (40) for supporting the sensor and a contact pressure sensitive layer (26) sensitive to pressure applied to the contact pressure sensor. The method disclosed also comprises transferring a process post structure (8) that is formed on a first process support substrate (20) from the first process support substrate to a second contact pressure sensor support substrate (40).
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: October 31, 2006
    Assignee: National University of Singapore
    Inventors: Ramam Akkipeddi, Christopher P Sperring, Siew Lok Toh, Cho Jui Tay, Mustafizur Rahman, Soo Jin Chua