Patents by Inventor Shinobu Akama

Shinobu Akama 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).

  • Image forming apparatus with time interval control of fixing unit and control method therefor
    Patent number: 7190915
    Abstract: An update value for updating a count value is changed in accordance with the time interval of activations of a fixing unit. Every time the fixing unit is activated, the count value is updated in accordance with the update value. The target temperature of the heater of the first rotary body is set in accordance with the updated count value to control the temperature of the fixing unit.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: March 13, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomoo Akizuki, Shinobu Akama, Takahiro Endo, Tohru Saito
  • Image forming apparatus and control method thereof
    Publication number: 20050117930
    Abstract: An update value for updating a count value is changed in accordance with the time interval of activations of a fixing unit. Every time the fixing unit is activated, the count value is updated in accordance with the update value. The target temperature of the heater of the first rotary body is set in accordance with the updated count value to control the temperature of the fixing unit.
    Type: Application
    Filed: November 23, 2004
    Publication date: June 2, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tomoo Akizuki, Shinobu Akama, Takahiro Endo, Tohru Saito