Patents by Inventor Hideo Fukasawa

Hideo Fukasawa 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).

  • Cordless phone system capable of scrambling communication signals
    Patent number: 5568553
    Abstract: A cordless phone system includes a first cordless phone and a second cordless phone which are coupled to each other by a network, the first cordless phone being formed of a first personal station and a first base station, the second cordless phone being formed of a second personal station and a second base station.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: October 22, 1996
    Assignee: Fujitsu Limited
    Inventors: Yuji Takahashi, Hideo Fukasawa
  • Cordless phone system capable of scrambling communication signals
    Patent number: 5392354
    Abstract: A cordless phone system includes a first cordless phone and a second cordless phone which are coupled to each other by a network, the first cordless phone being formed of a first personal station and a first base station, the second cordless phone being formed of a second personal station and a second base station.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: February 21, 1995
    Assignee: Fujitsu Limited
    Inventors: Yuji Takahashi, Hideo Fukasawa
  • Telephone
    Patent number: D326657
    Type: Grant
    Filed: May 30, 1991
    Date of Patent: June 2, 1992
    Assignee: Fujitsu Limited
    Inventors: Hideo Fukasawa, Yoshio Sano, Yozo Sudo, Nobuo Uchiyama, Hiroshi Taniguchi