TREA

Keishin Matsumoto Director-General of the Agency of Industrial Science and Technology

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  • Tokyo, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bootstrap circuit
    • Patent number 3,975,647
    • Issue date Aug 17, 1976
    • Matsumoto, Director-General, Agency of Industrial Science and Technology; Kei...
    • Akira Takei
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Method of preventing scale from being deposited in case of producin...
    • Patent number 3,932,224
    • Issue date Jan 13, 1976
    • Keishin Matsumoto Director-General of the Agency of Industrial Science and Te...
    • Kunio Hirota
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks