Patents by Inventor Hajime Osaki

Hajime Osaki 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).

  • Speed control for color image forming apparatus with residual toner cleaning
    Patent number: 5508784
    Abstract: A color image forming apparatus includes a driving member to drive a rotational photoreceptor to rotate, a speed detector to detect speed information of the photoreceptor, and a mechanism in which a pressure-contact and pressure-contact release operations of a cleaning member are carried out on the photoreceptor. The apparatus further includes a drive controller by which the rotation speed of the photoreceptor is controlled according to a signal output from the speed detector so that the rotational speed of the photoreceptor remains equal to a predetermined value.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: April 16, 1996
    Assignee: Konica Corporation
    Inventors: Isao Matsuoka, Hajime Osaki