TREA

Masataka Yamashita

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  • Nagoya City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical device
    • Patent number 7,184,631
    • Issue date Feb 27, 2007
    • NGK Insulators, Ltd.
    • Osamu Mitomi
    • G02 - OPTICS
  • Information Patent Grant

    Optical device
    • Patent number 6,961,493
    • Issue date Nov 1, 2005
    • NGK Insulators, Ltd.
    • Osamu Mitomi
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical device
    • Publication number 20020176652
    • Publication date Nov 28, 2002
    • NGK Insulators, Ltd.
    • Osamu Mitomi
    • G02 - OPTICS
  • Information Patent Application

    Optical device
    • Publication number 20020159706
    • Publication date Oct 31, 2002
    • NGK Insulators, Ltd.
    • Osamu Mitomi
    • G02 - OPTICS