Patents by Inventor Sumie Kodama, legal representative

Sumie Kodama, legal representative 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).

  • Patent number: 7320079
    Abstract: A semiconductor integrated circuit is disclosed that operates in synch with a clock signal supplied from an external source, and by a voltage supplied by a power supply. The circuit includes a detection means for detecting that at least one of a frequency of the clock signal and the supply voltage is reduced, and an internal voltage reduction means for lowering an internal voltage of the semiconductor integrated circuit when the detection means detects that at least one of the frequency and the supply voltage is lowered.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: January 15, 2008
    Assignee: Fujitsu Limited
    Inventors: Takaaki Suzuki, Sumie Kodama, legal representative, Yukinori Kodama, deceased
  • Patent number: 7302598
    Abstract: A semiconductor integrated circuit is disclosed that operates in synch with a clock signal supplied from an external source, and by a voltage supplied by a power supply. The circuit includes a detection means for detecting that at least one of a frequency of the clock signal and the supply voltage is reduced, and an internal voltage reduction means for lowering an internal voltage of the semiconductor integrated circuit when the detection means detects that at least one of the frequency and the supply voltage is lowered.
    Type: Grant
    Filed: April 23, 2004
    Date of Patent: November 27, 2007
    Assignee: Fujitsu Limited
    Inventors: Takaaki Suzuki, Sumie Kodama, legal representative, Yukinori Kodama, deceased