TREA

Yutaka Yoshifuji

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyethylene label and method of preparation thereof
    • Patent number 5,227,233
    • Issue date Jul 13, 1993
    • Tonen Chemical Corporation
    • Yasushi Itaba
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Oriented polyethylene film
    • Patent number 5,145,728
    • Issue date Sep 8, 1992
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Yasushi Itaba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Oriented polyethylene film and production thereof
    • Patent number 5,045,620
    • Issue date Sep 3, 1991
    • Tonen Sekiyukagaku K.K.
    • Yasushi Itaba
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Oriented polyethylene film
    • Patent number 5,043,204
    • Issue date Aug 27, 1991
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Yasushi Itaba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene composite film
    • Patent number 5,006,378
    • Issue date Apr 9, 1991
    • Toa Neryo Kogyo Kabushiki Kaisha
    • Yasushi Itaba
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Polyethylene stretched film
    • Patent number 4,673,619
    • Issue date Jun 16, 1987
    • Toa Nenryo Kabushiki Kaisha
    • Yasushi Itaba
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of producing crosslinked polyethylene stretched film
    • Patent number 4,636,340
    • Issue date Jan 13, 1987
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Yasushi Itaba
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL