TREA

Yuichi Kubota

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  • Tokyo, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic powder
    • Patent number 4,010,310
    • Issue date Mar 1, 1977
    • TDK Electronics Company, Limited
    • Yuichi Kubota
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium and preparation thereof
    • Patent number 3,953,656
    • Issue date Apr 27, 1976
    • TDK Electronic Company
    • Yasumichi Tokuoka
    • G11 - INFORMATION STORAGE