Patents by Inventor Takao Yamaji

Takao Yamaji 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).

  • Light emitting diode module
    Patent number: D526972
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: August 22, 2006
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Takao Yamaji
  • Light emitting diode module
    Patent number: D531139
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: October 31, 2006
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Takao Yamaji