Patents by Inventor Yasunari Kitagaki

Yasunari Kitagaki 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: 5504560
    Abstract: The present invention relates to an image forming apparatus having a rotatably disposed photosensitive member, a charger disposed in opposed relation to the surface of the photosensitive member for charging the surface of the photosensitive member, and a protection shutter disposed adjacent to the charger, the shutter having a protecting member which statically adheres to the surface of the photosensitive member to shield the surface of the photosensitive member from the charger.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: April 2, 1996
    Assignee: Minolta Co., Ltd.
    Inventors: Yasunari Kitagaki, Seishi Ojima, Kenji Masaki, Izumi Osawa