Patents by Inventor Hirokuni Fujivama

Hirokuni Fujivama 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).

  • Write compensation circuit and signal interpolation circuit of recording device
    Publication number: 20050270677
    Abstract: A write compensation circuit of a recording device includes a first delay portion driven by a first driving voltage, for receiving a clock signal, delaying the clock signal by a first delay time, and outputting the delayed clock signal, and a voltage supplying portion for supplying the first driving voltage to the first delay portion in such a manner that the first delay time is substantially equal to a clock period of the clock signal.
    Type: Application
    Filed: August 8, 2005
    Publication date: December 8, 2005
    Inventors: Hirokuni Fujivama, Shiro Dosho, Hiroyuki Nakahira, Akira Yamamoto, Hiroki Mouri