Toshiro Tanaka

Person

  • Izumi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium

    • Patent number 4,172,176
    • Issue date Oct 23, 1979
    • Sony Corporation
    • Toshiro Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium

    • Patent number 4,156,052
    • Issue date May 22, 1979
    • Sony Corporation
    • Toshiro Tanaka
    • G11 - INFORMATION STORAGE