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Akihiko Yamashita

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  • Ibaraki-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CEMENT ADMIXTURE
    • Publication number 20090054557
    • Publication date Feb 26, 2009
    • Hiroshi Yamazaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Cement admixture and method for producing the same
    • Publication number 20060183820
    • Publication date Aug 17, 2006
    • NIPPON SHOKUBAI CO., LTD.
    • Hideo Asano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Cement admixture and cement composition
    • Publication number 20040204517
    • Publication date Oct 14, 2004
    • Nippon Shokubai Co., Ltd.
    • Akihiko Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Cement admixture, cement composition and method for laying work the...
    • Publication number 20040198871
    • Publication date Oct 7, 2004
    • Nippon Shokubai Co., Ltd.
    • Akihiko Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Cement admixture and cement composition
    • Publication number 20030199616
    • Publication date Oct 23, 2003
    • Akihiko Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Copolymer for cement admixtures and its production process and use
    • Publication number 20030125492
    • Publication date Jul 3, 2003
    • NIPPON SHOKUBAI CO., LTD.
    • Masaya Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Cement admixture and cement composition
    • Publication number 20030106464
    • Publication date Jun 12, 2003
    • NIPPON SHOKUBAI CO., LTD.
    • Akihiko Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Cement dispersant and cement composition comprising this
    • Publication number 20020050232
    • Publication date May 2, 2002
    • NIPPON SHOKUBAI CO., LTD.
    • Akihiko Yamashita
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Cement admixture and cement composition comprising this
    • Publication number 20010052308
    • Publication date Dec 20, 2001
    • NIPPON SHOKUBAI CO., LTD.
    • Akihiko Yamashita
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES