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Tsuneo Nakahara

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical waveguide incorporating submedia
    • Patent number 7,039,284
    • Issue date May 2, 2006
    • Sumitomo Electric Industries, Ltd.
    • Tsuneo Nakahara
    • G02 - OPTICS
  • Information Patent Grant

    Traffic control system
    • Patent number 6,459,403
    • Issue date Oct 1, 2002
    • Sumitomo Electric Industries, Ltd.
    • Tsuneo Nakahara
    • G08 - SIGNALLING
  • Information Patent Grant

    Optical information reading device
    • Patent number 4,315,245
    • Issue date Feb 9, 1982
    • Sumitomo Electric Industries, Ltd.
    • Tsuneo Nakahara
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Manufacturing method of an optical waveguide
    • Patent number 4,123,483
    • Issue date Oct 31, 1978
    • Sumitomo Electric Industries, Ltd.
    • Tsuneo Nakahara
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents