Patents by Inventor Mitsuharu Endou

Mitsuharu Endou 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).

  • Charging members for charging a photosensitive body without removing used toner from the body
    Patent number: 5323215
    Abstract: A rotating photosensitive body has a plurality of charging members on its surface. A direct voltage whose polarity is opposite to the charging polarity of the photosensitive body is applied to at least one of the charging members, and a direct voltage whose polarity is equal to the charging polarity thereof is applied to at least one of the other charging members.
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: June 21, 1994
    Assignee: Tokyo Electric Co., Ltd.
    Inventors: Yoshimitsu Ohtaka, Mitsuharu Endou