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Toyohiro HAMAMATSU

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  • Niihama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-diffusing polycarbonate resin composition
    • Patent number 7,423,094
    • Issue date Sep 9, 2008
    • Sumitomo Chemical Company, Limited
    • Toyohiro Hamamatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT DIFFUSER PLATE, SURFACE LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY
    • Publication number 20090190067
    • Publication date Jul 30, 2009
    • Sumitomo Chemical Company, Limited
    • Toyohiro HAMAMATSU
    • G02 - OPTICS
  • Information Patent Application

    LIGHT DIFFUSER PLATE
    • Publication number 20080268235
    • Publication date Oct 30, 2008
    • Sumitomo Chemical Company, Limited
    • Shinya KIMURA
    • G02 - OPTICS
  • Information Patent Application

    LIGHT DIFFUSER PLATE SURFACE EMISSION LIGHT SOURCE APPARATUS AND LI...
    • Publication number 20080186429
    • Publication date Aug 7, 2008
    • Sumitomo Chemical Company, Limited
    • Toyohiro Hamamatsu
    • G02 - OPTICS
  • Information Patent Application

    LIGHT DIFFUSING PLATE
    • Publication number 20080050539
    • Publication date Feb 28, 2008
    • Sumitomo Chemical Company, Limited
    • Toyohiro HAMAMATSU
    • G02 - OPTICS
  • Information Patent Application

    Polycarbonate resin light diffusion plate
    • Publication number 20060110115
    • Publication date May 25, 2006
    • Sumitomo Chemical Company, Limited
    • Toyohiro Hamamatsu
    • G02 - OPTICS
  • Information Patent Application

    Light-diffusing polycarbonate resin composition
    • Publication number 20060069215
    • Publication date Mar 30, 2006
    • Sumitomo Chemical Company, Limited
    • Toyohiro Hamamatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Resin plate
    • Publication number 20060051704
    • Publication date Mar 9, 2006
    • Sumitomo Chemical Company, Limited
    • Tomohiro Maekawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...