TREA

Takuo Kubota

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Patents Grantslast 30 patents

  • Information Patent Grant

    Polarized electromagnet relay
    • Patent number 4,621,246
    • Issue date Nov 4, 1986
    • Matsushita Electric Works, Ltd.
    • Mitsuki Nagamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Relay structure
    • Patent number 4,532,487
    • Issue date Jul 30, 1985
    • Matsushita Electric Works, Ltd.
    • Mitsuki Nagamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    AC Drive electromagnetic relay
    • Patent number 4,514,711
    • Issue date Apr 30, 1985
    • Matsushita Electric Works, Ltd.
    • Mitsuki Nagamoto
    • H01 - BASIC ELECTRIC ELEMENTS