Patents by Inventor Hidenobu Endoh

Hidenobu Endoh 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).

  • Image forming apparatus and device for driving a contact type charging member
    Patent number: 5689764
    Abstract: A device for driving a charge roller, charge belt, image transfer roller, image transfer belt or similar contact type charging member used to charge an image carrier of an image forming apparatus in contact with the image carrier. The charging member is driven by an exclusive motor independent of a motor for driving the image carrier. A drive gear and a driven gear are formed of metal and resin, respectively. A flywheel is mounted on a drive roller for causing the charging member to rotate. The drive side has greater rotation energy than the driven roller side. A flywheel is also mounted on the drive gear.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: November 18, 1997
    Assignee: Ricoh Company, Ltd.
    Inventors: Yutaka Fukuchi, Hidenobu Endoh