TREA

Mitsui Tadashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    IC handler and contact cleaning method
    • Patent number 6,769,963
    • Issue date Aug 3, 2004
    • Ando Electric Co., Ltd.
    • Tadashi Mitsui
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Bobbin and magnetic core assembly
    • Patent number D385848
    • Issue date Nov 4, 1997
    • TDK Corporation
    • Hironori Sato
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Bobbin for use with a magnetic core
    • Patent number D334913
    • Issue date Apr 20, 1993
    • TDK Corporation
    • Hironori Sato
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Surface-mounted-type inductance element
    • Patent number 4,939,494
    • Issue date Jul 3, 1990
    • TDK Corporation
    • Yoshiaki Masuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ferrite core
    • Patent number 4,760,366
    • Issue date Jul 26, 1988
    • TDK Corporation
    • Tadashi Mitsui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Inductance element
    • Patent number 4,549,158
    • Issue date Oct 22, 1985
    • TDK Corporation
    • Tadashi Mitsui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ferrite core
    • Patent number D280810
    • Issue date Oct 1, 1985
    • T.D.K. Corp.
    • Tadashi Mitsui
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Ferrite core
    • Patent number 4,424,504
    • Issue date Jan 3, 1984
    • TDK Electronics Co., Ltd.
    • Tadashi Mitsui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Structure of a transformer
    • Patent number 4,394,636
    • Issue date Jul 19, 1983
    • TDK Electronics Co., Ltd.
    • Imaizumi Hiraku
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ferrite core
    • Patent number 4,352,080
    • Issue date Sep 28, 1982
    • TDK Electronics Co., Ltd.
    • Tadashi Mitsui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Transformer core member
    • Patent number D264959
    • Issue date Jun 15, 1982
    • TDK Electronics Co. Ltd.
    • Junpei Ota
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents