Patents by Inventor Leonidas Kontothanassis

Leonidas Kontothanassis 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).

  • Technique for indexing data in a network
    Patent number: 6266657
    Abstract: A technique for indexing data in a network having a plurality of network stations is disclosed. In one embodiment, the technique is realized by receiving a data identifier at a first of the plurality of network stations from a second of the plurality of network stations. The data identifier is then stored at the first network station. The first network station then receives an annotation from the second network station, wherein the annotation is associated with the data identifier. The annotation is then stored at the first network station in association with the data identifier.
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: July 24, 2001
    Assignee: AltaVista Company
    Inventors: Arjen P. deVries, Leonidas Kontothanassis, Michael Sokolov, David E. Kovalcin, Brian Eberman
  • Technique for storing data information within a network
    Patent number: 6219671
    Abstract: A method for storing data information in a network having a plurality of network stations includes receiving, at a first of the plurality of network stations from a second of the plurality of network stations, an address identifier corresponding to a location of a representation of data at a third of the plurality of network stations. The address identifier is then stored in association with a data identifier.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: April 17, 2001
    Assignee: AltaVista Company
    Inventors: Arjen P. de Vries, Michael Sokolov, David E. Kovalcin, Brian Eberman, Leonidas Kontothanassis
  • Space-time memory
    Patent number: 6067604
    Abstract: In a computer system, a memory is allocated to a plurality of ports. The ports are arranged in a spatial ordering. A plurality of various sized data items are temporally ordered in each of the plurality of ports. Each data item includes a time-stamp to indicate the temporal ordering of the plurality of data items. The plurality of data items are atomically accessed by a plurality of threads using space and time coordinates. The space and time coordinates uniquely identify each of the plurality of data items.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: May 23, 2000
    Assignee: Compaq Computer Corporation
    Inventors: Umakishore Ramachandran, Robert H. Halstead, Jr., Christopher F. Joerg, Leonidas Kontothanassis, Rishiyur S. Nikhil, James M. Rehg