Patents by Inventor Michio Kai

Michio Kai 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).

  • Time control device
    Patent number: 6252826
    Abstract: Oscillating precision of the first and the second oscillating sections each having the same oscillation frequency is determined in the oscillating precision determining section according to the timing of a signal supplied from the external time source, and in the internal time stepping control section, stepping control is provided over the internal time using a reference clock oscillated by any of the first and the second oscillating sections according to a result of determination of the oscillation precision.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: June 26, 2001
    Assignee: Fujitsu Limited
    Inventors: Tetsuya Kaizu, Michio Kai