Patents by Inventor Kumar N. Kumarappan

Kumar N. Kumarappan 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).

  • Method and apparatus for a facsimile machine having ASCII code addressing capability
    Patent number: 5287202
    Abstract: A facsimile machine is provided which includes a mechanism to generate ASCII codes for addressing a digital network, and to generate numeric number for addressing the public switched telephone (analog) network. Such facsimile machine can address other facsimile machines and communicate data over either network, in digital or analog format.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: February 15, 1994
    Assignees: Ricoh Co., Ltd., Ricoh Corporation
    Inventor: Kumar N. Kumarappan