Patents by Inventor Tetsuji Ohya

Tetsuji Ohya 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).

  • Circuit for driving switching element
    Patent number: 6229339
    Abstract: A first MOS transistor and a second MOS transistor are interconnected in series. Basically, a set of these MOS transistors are alternately turned on according to a switching signal. The collector of a third transistor is connected to the gate of the second MOS transistor. A capacitor is provided between the base of the third transistor and the connection point between the first MOS transistor and the second MOS transistor.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: May 8, 2001
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventor: Tetsuji Ohya