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Fumio Mieda

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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum tube
    • Patent number 9,620,323
    • Issue date Apr 11, 2017
    • Noritake Itron Corporation
    • Kazunori Tatsuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum tube
    • Patent number 9,583,300
    • Issue date Feb 28, 2017
    • Noritake Itron Corporation
    • Kazunori Tatsuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum tube circuit
    • Patent number 7,397,303
    • Issue date Jul 8, 2008
    • KORG, Inc.
    • Fumio Mieda
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Vacuum tube amplifier having grid as output and plate as input
    • Patent number 7,053,710
    • Issue date May 30, 2006
    • KORG, Inc.
    • Fumio Mieda
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM TUBE
    • Publication number 20170103867
    • Publication date Apr 13, 2017
    • NORITAKE ITRON CORPORATION
    • Kazunori TATSUDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VACUUM TUBE
    • Publication number 20160211106
    • Publication date Jul 21, 2016
    • NORITAKE ITRON CORPORATION
    • Kazunori TATSUDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Vacuum tube circuit
    • Publication number 20070228988
    • Publication date Oct 4, 2007
    • Fumio Mieda
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Vacuum tube amplifier
    • Publication number 20040257158
    • Publication date Dec 23, 2004
    • Fumio Mieda
    • H03 - BASIC ELECTRONIC CIRCUITRY