TREA

Yoshiaki Miyajima

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber
    • Patent number 5,963,700
    • Issue date Oct 5, 1999
    • Nippon Telegraph & Telephone Corporation
    • Masao Kato
    • G02 - OPTICS
  • Information Patent Grant

    Optical connector
    • Patent number 5,859,944
    • Issue date Jan 12, 1999
    • Sumitomo Electric Industries, Ltd.
    • Akira Inoue
    • G02 - OPTICS