TREA

Yumiko Otsuka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Programmable controller
    • Patent number D418483
    • Issue date Jan 4, 2000
    • Koyo Electronics Industries Co. Ltd.
    • Norio Shimizu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Programmable controller
    • Patent number D418115
    • Issue date Dec 28, 1999
    • Koyo Electronics Industries Co., Ltd.
    • Norio Shimizu
    • D13 - Equipment for production, distribution, or transformation of energy