Patents by Inventor Toshio Muraoka

Toshio Muraoka 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).

  • Patent number: 4659212
    Abstract: An electronic photographing apparatus has a cleaning apparatus for cleaning the surface of a photosensitive body. The cleaning apparatus includes a cleaning blade which is set so as to be able to touch and leave the surface of the photosensitive body. The cleaning blade removes the residual toner from the surface of the photosensitive body in the touching condition. The cleaning apparatus also includes a recovery member for collecting the developer removed by the cleaning blade, a casing for temporarily storing the developer collected by the recovery member, and a conveying member disposed opposite to the surface of the photosensitive body and adapted to convey the developer in the casing to a developer container outside the casing. The cleaning apparatus further includes a stirring member extending along the conveying member between the conveying member and the recovery member and adapted to oscillate, rock, and rotate, thereby stirring the developer in the casing.
    Type: Grant
    Filed: January 3, 1985
    Date of Patent: April 21, 1987
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Issey Ichihara, Toshio Muraoka