Patents by Inventor Takashi Tamasaki

Takashi Tamasaki 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).

  • Power source control method of image forming apparatus, power source control system of image forming apparatus, power source control apparatus, image forming apparatus and computer program product
    Patent number: 8001398
    Abstract: A control unit 51 obtains a user ID of a user who enters a room from card reading information read by card readers so as to judge existence or nonexistence of an available image forming apparatus which has been judged in advance in accordance with the obtained user ID. The control unit selects the image forming apparatus with the highest frequency in use and turns on the power source thereof when the power source of any image forming apparatus is not made into an on state even when there are some image forming apparatuses which is available for the user who enters the room. Accordingly, it is possible to reduce power consumption by the image forming apparatus while improving convenience for a user in accordance with entrance and exit of the user.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: August 16, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Takashi Tamasaki
  • Power source control method of image forming apparatus, power source control system of image forming apparatus, power source control apparatus, image forming apparatus and computer program product
    Publication number: 20080028241
    Abstract: A control unit 51 obtains a user ID of a user who enters a room from card reading information read by card readers so as to judge existence or nonexistence of an available image forming apparatus which has been judged in advance in accordance with the obtained user ID. The control unit selects the image forming apparatus with the highest frequency in use and turns on the power source thereof when the power source of any image forming apparatus is not made into an on state even when there are some image forming apparatuses which is available for the user who enters the room. Accordingly, it is possible to reduce power consumption by the image forming apparatus while improving convenience for a user in accordance with entrance and exit of the user.
    Type: Application
    Filed: July 23, 2007
    Publication date: January 31, 2008
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Takashi Tamasaki