TREA

Tetsuji Umebara

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  • Odawara-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphor and its production process
    • Patent number 6,712,993
    • Issue date Mar 30, 2004
    • Kasei Optonix, Ltd.
    • Naoto Kijima
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Phosphor and its production process
    • Publication number 20030094596
    • Publication date May 22, 2003
    • Kasei Optonix, Ltd.
    • Naoto Kijima
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...