TREA

Akira Hashimoto

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  • Tagajyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,656,089
    • Issue date Apr 7, 1987
    • Sony Corporation
    • Yoshinobu Ninomiya
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,529,661
    • Issue date Jul 16, 1985
    • Sony Corporation
    • Yoshinobu Ninomiya
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,521,486
    • Issue date Jun 4, 1985
    • Sony Corporation
    • Yoshinobu Ninomiya
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Thermoplastic polyurethane resins
    • Patent number 4,400,498
    • Issue date Aug 23, 1983
    • Sony Corporation
    • Shin Konishi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,368,238
    • Issue date Jan 11, 1983
    • Sony Corporation
    • Masashi Somezawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...