Patents by Inventor Jeffrey R. Canion

Jeffrey R. Canion 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).

  • Parallel interface for printer
    Patent number: 5425135
    Abstract: A parallel interface for external devices such as a printer with bi-directional transmission and direct memory access (DMA) capabilities. The present invention also provides a printer side interface to allow bi-directional capability which is compatible with current printer interfaces.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: June 13, 1995
    Assignees: Ricoh Company, Ltd., Ricoh Corporation
    Inventors: Tetsuro Motoyama, Gregorio Rodriguez, Jeffrey R. Canion