TREA

Optotechno Co., Ltd.

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Organization

  • Kanagawa, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-terminal surge protection device
    • Patent number 5,905,282
    • Issue date May 18, 1999
    • Sankosha Corporation
    • Masaaki Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Surge protection device
    • Patent number 5,486,709
    • Issue date Jan 23, 1996
    • Agency of Industrial Science and Technology
    • Yutaka Hayashi
    • H01 - BASIC ELECTRIC ELEMENTS