Patents by Inventor Takashi Katsushiro

Takashi Katsushiro 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).

  • Cleaning device for electrophotographic apparatus and electrophotographic apparatus having the same
    Patent number: 5999791
    Abstract: A cleaning device capable of ensuring prevention of extraneous substances, such as the toner, paper powder and so on, from releasing outside an extraneous substance removing region, and an electrophotographic apparatus having the cleaning device. The cleaning device for an electrophotographic apparatus includes an extraneous substance removing arrangement for removing extraneous substances, such as toner, paper powder and the like, from a surface of a member to be cleaned; an extraneous substance containing arrangement for collecting the extraneous substances removed by the extraneous substance removing arrangement; and a barrier forming arrangement for preventing the extraneous substances from releasing out of an extraneous substance removing region, the barrier forming arrangement being located in the extraneous substance removing region where the extraneous substance removing arrangement acts on the member to be cleaned.
    Type: Grant
    Filed: July 1, 1998
    Date of Patent: December 7, 1999
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Toshitaka Ogawa, Takashi Katsushiro