TREA

Yasuhito Okumura

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyester-grafted starch-polymer alloy
    • Patent number 5,719,214
    • Issue date Feb 17, 1998
    • Japan Corn Starch Co., Ltd
    • Hideyuki Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Esterified, polyvinyl ester-grafted starch
    • Patent number 5,714,540
    • Issue date Feb 3, 1998
    • Japan Corn Starch Co., Ltd
    • Hideyuki Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing starch esters, starch esters, and starch ester...
    • Patent number 5,714,601
    • Issue date Feb 3, 1998
    • Japan Corn Starch Co., Inc.
    • Hideyuki Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Esterfied, polyester-grafted starch
    • Patent number 5,693,786
    • Issue date Dec 2, 1997
    • Japan Corn Starch Co. Ltd.
    • Hideyuki Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...