TREA

Yasushi Toda

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thin-film magnetic head
    • Patent number 4,942,489
    • Issue date Jul 17, 1990
    • Canon Kabushiki Kaisha
    • Ko Yoneda
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Perpendicular magnetic head
    • Patent number 4,649,449
    • Issue date Mar 10, 1987
    • Canon Kabushiki Kaisha
    • Takeshi Sawada
    • G11 - INFORMATION STORAGE