Patents by Inventor Masakatsu Tamaoki

Masakatsu Tamaoki 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).

  • Pressure switch
    Patent number: D559195
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: January 8, 2008
    Assignee: SUNX Limited
    Inventor: Masakatsu Tamaoki