Patents by Inventor Haruo Tsuge

Haruo Tsuge 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).

  • Telephone with the display screen
    Patent number: D457870
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: May 28, 2002
    Assignee: NEC Corporation
    Inventors: Fumiyoshi Toyoshima, Masafuku Akatsu, Yuichiro Shibata, Haruo Tsuge, Takayuki Yoshimoto, Akio Kurihara, Masakatsu Takizawa
  • Telephone exchanger
    Patent number: D433677
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: November 14, 2000
    Assignee: NEC Corporation
    Inventors: Haruo Tsuge, Kazuo Ikeda, Kentaro Tsuda, Muneyoshi Mikuni