Patents by Inventor Kazushi Ichimura

Kazushi Ichimura 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).

  • Inverter provided with an overvoltage clamping circuit
    Patent number: 4646222
    Abstract: Three-phase outputs of a voltage source inverter are supplied to AC input terminals of a diode bridge through reactors, respectively, and its DC outputs are clamped by a voltage of a first DC power source. The AC input terminals of the diode bridge are further connected to AC input terminals of a second diode bridge through capacitors, and its DC outputs are clamped by a second DC power source.
    Type: Grant
    Filed: January 9, 1986
    Date of Patent: February 24, 1987
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Chihiro Okado, Kazushi Ichimura, Tatsuaki Ambo