TREA

Yan Zhang

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  • Sayre, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphor and method of making same
    • Patent number 5,616,285
    • Issue date Apr 1, 1997
    • Osram Sylvania Inc.
    • Yan Zhang
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phosphor and method of making same
    • Patent number 5,531,928
    • Issue date Jul 2, 1996
    • Osram Sylvania Inc.
    • Ronald E. Karam
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...