TREA

Tsuneyoshi Tanizawa

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  • Yokuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chromene compound
    • Patent number 6,197,225
    • Issue date Mar 6, 2001
    • Tokuyama Corporation
    • Tsuneyoshi Tanizawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fulgimide compound and use thereof and composition containing said...
    • Patent number 6,110,400
    • Issue date Aug 29, 2000
    • Tokuyama Corporation
    • Hironobu Nagoh
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Chromene compound
    • Patent number 6,022,496
    • Issue date Feb 8, 2000
    • Tokuyama Corporation
    • Yuichiro Kawabata
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Chromene compound
    • Patent number 5,932,725
    • Issue date Aug 3, 1999
    • Tokuyama Corporation
    • Yuichiro Kawabata
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Photochromic compound
    • Patent number 5,708,063
    • Issue date Jan 13, 1998
    • Tokuyama Corporation
    • Satoshi Imura
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fulgimide compound
    • Patent number 5,631,382
    • Issue date May 20, 1997
    • Tokuyama Corporation
    • Tsuneyoshi Tanizawa
    • C07 - ORGANIC CHEMISTRY