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Yoshinori Koyama

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  • Okayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cyanine dye
    • Patent number 8,350,015
    • Issue date Jan 8, 2013
    • Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    • Yasushi Aizawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Cyanine Dye
    • Publication number 20080000034
    • Publication date Jan 3, 2008
    • Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    • Yasushi Aizawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Recording material for medium
    • Publication number 20050227178
    • Publication date Oct 13, 2005
    • Kabushiki Kaisha Toshiba
    • Seiji Morita
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Write-once information recording medium
    • Publication number 20050226135
    • Publication date Oct 13, 2005
    • Kabushiki Kaisha Toshiba
    • Seiji Morita
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Light absorbing agent
    • Publication number 20030064322
    • Publication date Apr 3, 2003
    • Yoshinori Koyama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Styryl dyes
    • Publication number 20020028918
    • Publication date Mar 7, 2002
    • KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    • Chiaki Kasada
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...