Patents by Inventor Yasufumi Chujo

Yasufumi Chujo 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).

  • Output circuit, pulse width modulating circuit and semiconductor integrated circuit in which the level of ringing is reduced
    Patent number: 6100729
    Abstract: An output circuit is constructed such that a load capacitor is not charged by an external power supply but by a first charge storage element within a semiconductor chip that is charged before the load capacitor. The charge stored in the load capacitor is released not directly to the ground but to a second charge storage element within the semiconductor chip and discharged before discharging of the load capacitor.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: August 8, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hideo Nagano, Yasufumi Chujo