TREA

Yoshiya Fukuyama deceased

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  • late of Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Paper coating composition
    • Patent number 5,158,611
    • Issue date Oct 27, 1992
    • Sumitomo Chemical Co., Ltd.
    • Shigeru Ura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for producing resin for paper coating
    • Patent number 5,034,501
    • Issue date Jul 23, 1991
    • Sumitomo Chemical Co., Ltd.
    • Shigeru Ura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Poly (hydroxy ether)
    • Patent number 4,657,954
    • Issue date Apr 14, 1987
    • Sumitomo Chemical Company, Limited
    • Katsuyoshi Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Epoxy resin compositions
    • Patent number 4,368,299
    • Issue date Jan 11, 1983
    • Sumitomo Chemical Company, Limited
    • Katsuyoshi Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Transparentizing agent for paper
    • Patent number 4,128,437
    • Issue date Dec 5, 1978
    • Sumitomo Chemical Company, Limited
    • Shigeru Ura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Low profile unsaturated polyester resin composition
    • Patent number 4,102,944
    • Issue date Jul 25, 1978
    • Sumitomo Chemical Company, Limited
    • Yoshiya Fukuyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...