Patents by Inventor Keith Tan Chee Kang

Keith Tan Chee Kang 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).

  • Center speaker box
    Patent number: D516542
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: March 7, 2006
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Keith Tan Chee Kang, Terence Loh Tze Kok
  • Combined digital receiver and digital video disc player
    Patent number: D524269
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: July 4, 2006
    Assignee: Koninkijke Philips Electronics, N.V.
    Inventors: Keith Tan Chee Kang, Terence Loh Tze Kok
  • Sub woofer
    Patent number: D534523
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: January 2, 2007
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Keith Tan Chee Kang, Terence Loh Tze Kok
  • Speaker box
    Patent number: D534524
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: January 2, 2007
    Assignee: Koninklijke Philips Electronics, N.V.
    Inventors: Keith Tan Chee Kang, Terence Loh Tze Kok
  • Digital video disc player
    Patent number: D484474
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: December 30, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Pernilla Maria Cecilia Johansson, Keith Tan Chee Kang