Patents by Inventor Robin W. C. Chu

Robin W. C. Chu 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).

  • Active drop ink-jet printer
    Patent number: D322090
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: December 3, 1991
    Assignee: Hewlett-Packard Company
    Inventors: Donald R. McClelland, Donald R. Bloyer, Richard E. Berriman, Robin W. C. Chu
  • Portable telephone
    Patent number: D425056
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: May 16, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mark Andrew Edwards, Alexander Ross, Robin W C Chu, Midori Yonezawa, Tadamasa Hayakawa