Patents by Inventor Kenichiro Kada

Kenichiro Kada 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).

  • Digital PLL circuit
    Patent number: 6687321
    Abstract: A digital PLL circuit comprises a variable-frequency ring oscillator, a frequency divider for frequency-dividing the output signal of the ring oscillator, a phase comparator for comparing the frequency-divided output of the frequency divider with a phase reference signal, and a control signal generator for generating a control signal corresponding to the comparison output of the phase comparator and supplying the control signal to the ring oscillator.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: February 3, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenichiro Kada, Tomohiko Oota