Patents by Inventor Kazuo Takasugi

Kazuo Takasugi 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).

  • Control apparatus including an electronic timer
    Patent number: 4132085
    Abstract: A control apparatus having an electronic timer including a plurality of flip-flop circuits connected in multiple stages in cascade. Outputs are taken from different stages of the electronic timer and the separate outputs are utilized to produce individual control timing signals which serve for controlling at least one device in accordance with the timing specific to the individual control timing signals.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: January 2, 1979
    Assignee: Hitachi, Ltd.
    Inventors: Kenji Maio, Fumiyuki Inose, Norio Yokozawa, Ryoichi Fujimoto, Kazuo Takasugi
  • Detecting circuit
    Patent number: 4074335
    Abstract: A detecting circuit comprises a magnetic core having a rectangular magnetic characteristic, a first winding coupled magnetically to the magnetic core, for applying a current to be detected, and a second winding coupled magnetically to the magnetic core, for applying a reference current. An output signal is derived from the second winding.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: February 14, 1978
    Assignee: Hitachi, Ltd.
    Inventor: Kazuo Takasugi