Patents by Inventor Tsunao Nagasaki

Tsunao Nagasaki 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).

  • Projector
    Patent number: D517588
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: March 21, 2006
    Assignee: NEC Viewtechnology, Ltd.
    Inventors: Takahisa Yamada, Shigenori Sakai, Tsunao Nagasaki, Naoto Fukasawa
  • Projector
    Patent number: D522037
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: May 30, 2006
    Assignee: NEC Viewtechnology, Ltd.
    Inventors: Shigeo Inoue, Susumu Ogawa, Masayuki Agaeishi, Junsi Lee, Naoto Fukasawa, Tsunao Nagasaki
  • Projector
    Patent number: D522038
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: May 30, 2006
    Assignee: NEC Viewtechnology, Ltd.
    Inventors: Takahisa Yamada, Shigenori Sakai, Tsunao Nagasaki, Naoto Fukasawa
  • Projector
    Patent number: D544516
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: June 12, 2007
    Assignee: NEC Viewtechnology, Ltd.
    Inventors: Takahisa Yamada, Shigenori Sakai, Tsunao Nagasaki, Naoto Fukasawa
  • Projector lens
    Patent number: D565079
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: March 25, 2008
    Assignee: Nec Display Solutions, Ltd.
    Inventors: Shigeo Inoue, Susumu Ogawa, Masayuki Ageishi, Junsi Lee, Naoto Fukasawa, Tsunao Nagasaki