Patents by Inventor Sachio Hattori

Sachio Hattori 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).

  • Wireless headphone
    Patent number: D463791
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: October 1, 2002
    Assignee: NEC Corporation
    Inventors: Michio Nagai, Mika Fujii, Sachio Hattori
  • GPS unit for a portable wireless telephone
    Patent number: D478070
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: August 5, 2003
    Assignee: NEC Corporation
    Inventors: Michio Nagai, Mika Fujii, Sachio Hattori