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Weidong Chen

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  • Sunnyvale, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aggregate predicates and search in a database management system
    • Patent number 6,947,934
    • Issue date Sep 20, 2005
    • International Business Machines Corporation
    • Weidong Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Polymeric light-emitting device
    • Patent number 5,998,045
    • Issue date Dec 7, 1999
    • International Business Machines Corporation
    • Weidong Chen
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for the preparation of optical fibers
    • Patent number 5,911,025
    • Issue date Jun 8, 1999
    • The Trustees of the University of Pennsylvania
    • A. F. Garito
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Graded index optical fibers
    • Patent number 5,729,645
    • Issue date Mar 17, 1998
    • The Trustees of the University of Pennsylvania
    • A. F. Garito
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL