TREA

Yoshio Katayama

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-emission controlling apparatus
    • Patent number 5,949,198
    • Issue date Sep 7, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenji Nakamura
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Light-emission controlling apparatus
    • Patent number 5,909,090
    • Issue date Jun 1, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenji Nakamura
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR