Patents by Inventor Randall R. Ross

Randall R. Ross 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).

  • Data storage device having a phase change memory medium reversible by direct overwrite
    Patent number: 4876667
    Abstract: Disclosed is an optical data storage device having a reversible, phase change data storage medium formed of (Sb.sub.2 Te.sub.3).sub.1-x (Sb.sub.2 Se.sub.3).sub.x, where x is from 0.18 to 0.43.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: October 24, 1989
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Randall R. Ross, Eric Bjornard, David Strand