Patents by Inventor Shuuji Murakami

Shuuji Murakami 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).

  • Protection circuit for a semiconductor integrated circuit having bipolar transistors
    Patent number: 4811155
    Abstract: Two resistors are connected in series between an input bonding electrode and an internal circuit, and respective conducting terminals of a first bipolar transistor are connected between the two resistors and a GND bonding electrode which is connected to the internal circuit. Respective conducting terminals of a second bipolar transistor are connected between the two resistors and a V.sub.DD bonding electrode which is connected to the internal circuit. Control terminals of the respective ones of the first and second bipolar transistors are connected to the GND bonding electrode respectively.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: March 7, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hirotada Kuriyama, Tomohisa Wada, Shuuji Murakami