TREA

Osamu Akita

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical receiver/transmiter module
    • Patent number D333122
    • Issue date Feb 9, 1993
    • Sumitomo Electric Industries, Ltd.
    • Mitsutoshi Kamakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Optical receiver/transmitter module
    • Patent number D330006
    • Issue date Oct 6, 1992
    • Sumitomo Electric Industries, Ltd.
    • Mitsutoshi Kamakura
    • D13 - Equipment for production, distribution, or transformation of energy