Patents by Inventor Tamitoshi Watanabe

Tamitoshi Watanabe 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 receiving and emitting device
    Patent number: D609653
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: February 9, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tamitoshi Watanabe, Yasunori Nagahata
  • Light receiving and emitting device
    Patent number: D624511
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: September 28, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tamitoshi Watanabe, Yasunori Nagahata