Patents by Inventor Takayuki Nokiyama

Takayuki Nokiyama 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).

  • Method of controlling display brightness of portable information device, and portable information device
    Patent number: 6967647
    Abstract: A battery voltage detector detects a voltage of a battery, a battery alarm voltage detector detects whether the voltage of the battery has dropped to a battery alarm voltage, a near-battery alarm voltage detector detects whether the voltage of the battery has dropped to a near-battery alarm voltage, and a display brightness control unit decreases the brightness of a display unit if the near-battery alarm voltage detector detects that the voltage of the battery has dropped to a near-battery alarm voltage.
    Type: Grant
    Filed: January 2, 2003
    Date of Patent: November 22, 2005
    Assignees: Fujitsu Limited, Fujitsu Frontech Limited
    Inventor: Takayuki Nokiyama
  • Method of controlling display brightness of portable information device, and portable information device
    Publication number: 20040130556
    Abstract: A battery voltage detector detects a voltage of a battery, a battery alarm voltage detector detects whether the voltage of the battery has dropped to a battery alarm voltage, a near-battery alarm voltage detector detects whether the voltage of the battery has dropped to a near-battery alarm voltage, and a display brightness control unit decreases the brightness of a display unit if the near-battery alarm voltage detector detects that the voltage of the battery has dropped to a near-battery alarm voltage.
    Type: Application
    Filed: January 2, 2003
    Publication date: July 8, 2004
    Inventor: Takayuki Nokiyama