Patents by Inventor James Robert Kitcher

James Robert Kitcher 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).

  • Electron beam lithography process
    Patent number: 4099062
    Abstract: In an electron beam lithography process, shapes are formed which differ from the beam spot size and the grid by employing multiple overlapping exposures having a reduced exposure level.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: July 4, 1978
    Assignee: International Business Machines Corporation
    Inventor: James Robert Kitcher