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Mitsuo Chikano

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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens and bonded body of optical component
    • Patent number 6,809,885
    • Issue date Oct 26, 2004
    • Hoya Corporation
    • Kazuo Sakamoto
    • G02 - OPTICS
  • Information Patent Grant

    Camera filter
    • Patent number 4,621,889
    • Issue date Nov 11, 1986
    • Hoya Corporation
    • Mitsuo Chikano
    • G02 - OPTICS
  • Information Patent Grant

    Lens shade
    • Patent number 4,468,102
    • Issue date Aug 28, 1984
    • Hoya Corporation
    • Mitsuo Chikano
    • G02 - OPTICS