TREA

Osamu Yamaura

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  • Miyagi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tape cartridge
    • Patent number 7,345,847
    • Issue date Mar 18, 2008
    • Sony Corporation
    • Shuichi Kikuchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Calendering roll cleaning apparatus
    • Patent number 5,198,243
    • Issue date Mar 30, 1993
    • Sony Corporation
    • Tatsuo Shimizu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Tape cartridge
    • Publication number 20050117252
    • Publication date Jun 2, 2005
    • Sony Corporation
    • Shuichi Kikuchi
    • G11 - INFORMATION STORAGE