Patents by Inventor Kogi Okada

Kogi Okada 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).

  • Oscillation circuit
    Patent number: 8922289
    Abstract: An oscillation circuit including a reference voltage generation circuit that adds a proportional-to-absolute-temperature (PTAT) output, which increases in proportion to an absolute temperature, to a complementary-to-absolute-temperature (CTAT) output, which decreases in proportion to an absolute temperature, to generate and output a reference voltage. The oscillation circuit generates an oscillation signal having a desired and fixed frequency.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: December 30, 2014
    Assignee: Spansion LLC
    Inventors: Kazuhiro Mitsuda, Kogi Okada, Suguru Tachibana