Patents by Inventor Masakuzu Fukuchi

Masakuzu Fukuchi 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).

  • Removable cartridge for a color image forming apparatus
    Patent number: 5107304
    Abstract: A color image forming apparatus having an image retainer, a cleaning device for removing residual toner particles on the image retainer, and a device for releasing the cleaning device from the image retainer, which are integrally constructed as a process unit and can be taken out from an apparatus body. The cleaning device is in pressure contact with the image retainer when the process unit has been taken away. The device for releasing the cleaning device is mounted on the apparatus body.
    Type: Grant
    Filed: February 15, 1990
    Date of Patent: April 21, 1992
    Assignee: Konica Corporation
    Inventors: Satoshi Haneda, Masakuzu Fukuchi, Hisashi Shoji, Shunji Matsuo, Shizuo Morita