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Yukihiko Sekimoto

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stabilized fracturing fluid and method of stabilizing fracturing fluid
    • Patent number 4,721,577
    • Issue date Jan 26, 1988
    • Nitto Chemical Industry Co., Ltd.
    • Shoichi Kanda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for production of modified hydroxyethyl cellulose
    • Patent number 4,691,013
    • Issue date Sep 1, 1987
    • Lion Corporation
    • Yukihiko Sekimoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized fracturing fluid and method of stabilizing fracturing fluid
    • Patent number 4,681,690
    • Issue date Jul 21, 1987
    • Nitto Chemical Industry Co., Ltd.
    • Shoichi Kanda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Completion and workover fluids
    • Patent number 4,661,266
    • Issue date Apr 28, 1987
    • Nitto Chemical Industry Co., Ltd.
    • Shoichi Kanda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Completion and workover fluids
    • Patent number 4,614,601
    • Issue date Sep 30, 1986
    • Nitto Chemical Industry Co., Ltd.
    • Yukihiko Sekimoto
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluids
    • Patent number 4,605,505
    • Issue date Aug 12, 1986
    • Nitto Chemical Industry Co., Ltd.
    • Makoto Yanagida
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...