Patents by Inventor Hiroyuki Ookaji

Hiroyuki Ookaji 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: 5930564
    Abstract: An image forming apparatus which allows easy recognizing of jammed paper and easy removing of the jammed paper and further easy recognizing of an interior of a machine main body. An image is formed on a photosensitive drum, and a transfer unit is disposed to contact an outer circumferential surface of the photosensitive drum. The transfer unit includes a transfer belt for transporting transfer paper electrostatically absorbed thereon and guiding the transfer paper to a fixing unit. An outer cover supports the transfer unit so as to move the transfer unit in a direction of separating the transfer unit from the photosensitive drum when the outer cover is opened and for guiding transfer paper discharged from a fixing unit.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: July 27, 1999
    Assignee: Ricoh Company, Ltd.
    Inventor: Hiroyuki Ookaji