Patents by Inventor Masanori Tsumura

Masanori Tsumura 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).

  • Mirror for projector
    Patent number: D639076
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: June 7, 2011
    Assignee: Hitachi Consumer Electronics Co., Ltd.
    Inventors: Masayuki Fukui, Masahiko Yatsu, Naoyuki Ogura, Koji Hirata, Masanori Tsumura
  • Lens for projector
    Patent number: D645068
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: September 13, 2011
    Assignee: Hitachi Consumer Electronics Co., Ltd.
    Inventors: Masayuki Fukui, Masahiko Yatsu, Naoyuki Ogura, Koji Hirata, Masanori Tsumura
  • Lens for projector
    Patent number: D647931
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: November 1, 2011
    Assignee: Hitachi Consumer Electronics Co., Ltd.
    Inventors: Masayuki Fukui, Masahiko Yatsu, Naoyuki Ogura, Koji Hirata, Masanori Tsumura