TREA

Akira Sakamoto

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for drawing plastic laminates
    • Patent number 4,675,219
    • Issue date Jun 23, 1987
    • Toyo Seikan Kaisha, Ltd.
    • Yamada Muneki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic laminate structure and vessel
    • Patent number 4,564,541
    • Issue date Jan 14, 1986
    • Toyo Seikan Kaisha, Ltd.
    • Kazuo Taira
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Multi-layer plastic laminate structure
    • Patent number 4,528,219
    • Issue date Jul 9, 1985
    • Toyo Seikan Kaisha, Ltd.
    • Muneki Yamada
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Method of making a plastic hollow article
    • Patent number 4,420,454
    • Issue date Dec 13, 1983
    • Toyo Seikan Kaisha, Limited
    • Kiyoshi Kawaguchi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL