Patents by Inventor Takahisa Nakanishi

Takahisa Nakanishi 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).

  • Belt position detecting device using timing measurement
    Patent number: 5216256
    Abstract: A detecting device for detecting the position of a rotatable image bearing member which is provided in an image forming apparatus. The detecting device has a reference member provided in the image bearing member and a sensor for detecting the reference member. The position of the rotating image bearing member is detected by this detecting device. Further, by this detecting device, the image forming apparatus is able to detect that the image bearing member is slipped in a direction perpendicularly to the image bearing member rotation direction.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: June 1, 1993
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Keiji Kusumoto, Naoyoshi Kinoshita, Takahisa Nakanishi