Sigeo Sasaki

Person

  • Kyoto, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Tape cartridge case composition for reducing modulation noise

    • Patent number 4,791,484
    • Issue date Dec 13, 1988
    • Hitachi Maxell, Ltd.
    • Sigeo Sasaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Tap cartridge

    • Patent number 4,660,784
    • Issue date Apr 28, 1987
    • Hitachi Maxell, Ltd.
    • Takashi Sumida
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Tape cassette

    • Patent number 4,635,879
    • Issue date Jan 13, 1987
    • Hitachi Maxell, Ltd.
    • Takashi Sumida
    • G11 - INFORMATION STORAGE