TREA

Yasuo Kaga

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Easy-open lid
    • Patent number 5,131,556
    • Issue date Jul 21, 1992
    • Toyo Seikan Kaisha, Ltd.
    • Toshiaki Iioka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Shock-resistant easily-openable vessel closure
    • Patent number 4,526,287
    • Issue date Jul 2, 1985
    • Toyo Seikan Kaisha Ltd.
    • Yasunori Miyamatsu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Easily openable vessel closure and process for preparation thereof
    • Patent number 4,397,401
    • Issue date Aug 9, 1983
    • Toyo Seikan Kaisha Ltd.
    • Hiroshi Ueno
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL