TREA

Yasuo Ohira

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  • Nagano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disc molding apparatus
    • Patent number 5,316,466
    • Issue date May 31, 1994
    • TDK Corporation
    • Toshifumi Tanaka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Disc molding apparatus
    • Patent number 5,092,758
    • Issue date Mar 3, 1992
    • TDK Corporation
    • Toshifumi Tanaka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hub of a tape cassette
    • Patent number 4,511,099
    • Issue date Apr 16, 1985
    • TDK Corporation
    • Eiichi Nunokawa
    • G11 - INFORMATION STORAGE