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Akio Nakatsuka

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL-IN-WATER TYPE COSMETIC AND SUNSCREEN COSMETIC
    • Publication number 20180256458
    • Publication date Sep 13, 2018
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Akio NAKATSUKA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    GEL-FORM COMPOSITION
    • Publication number 20180207081
    • Publication date Jul 26, 2018
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Akio NAKATSUKA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    GEL-LIKE COMPOSITION
    • Publication number 20150105477
    • Publication date Apr 16, 2015
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Akio Nakatsuka
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    (METH)ACRYLIC ACID-BASED COPOLYMER
    • Publication number 20140100327
    • Publication date Apr 10, 2014
    • Sumitomo Seika Chemicals Co., Ltd.
    • Hirofumi Yamaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    HYDROPHILIC THICKENING AGENT AND METHOD OF PRODUCING SAME
    • Publication number 20130324670
    • Publication date Dec 5, 2013
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Yoh Yamauchi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...