Patents by Inventor Hirotomo Aoyama

Hirotomo Aoyama 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: 5121867
    Abstract: A paper transferring apparatus in an electrophotograph type printer includes rollers for transferring out papers from a hopper and through a transferrinng section to a discharge port, as well as first and second tractors for transferring continuous papers from the inlet port through the transferring section and to the discharge port. A motor provides a common driving source for both the rollers and the tractor. Clutches are provided for selectively connecting and disconnection the rollers and the tractors to the motor as a function of whether a cut paper mode or a continuous paper mode is selected by a control unit.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: June 16, 1992
    Assignee: Sinko Seisakusho Co., Ltd.
    Inventors: Hirotomo Aoyama, Shingo Furukawa, Satoshi Kumagai