TREA

Hisao Katoh

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  • Saku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recording medium cartridge with improved welding characteristics
    • Patent number 6,532,133
    • Issue date Mar 11, 2003
    • TDK Corporation
    • Hiroshi Kaneda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Disc cartridge
    • Patent number 5,498,456
    • Issue date Mar 12, 1996
    • TDK Corporation
    • Masaru Ikebe
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Tape cassette
    • Patent number 5,385,312
    • Issue date Jan 31, 1995
    • TDK Corporation
    • Hiroshi Kaneda
    • G11 - INFORMATION STORAGE