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Norimasa Kurihara

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Discolorable ink composition and writing utensils
    • Patent number 8,182,596
    • Issue date May 22, 2012
    • Sakura Color Products Corporation
    • Norimasa Kurihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water-based ink composition
    • Patent number 8,080,098
    • Issue date Dec 20, 2011
    • Sakura Color Products Corporation
    • Norimasa Kurihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Tip unit for liquid applicator, method for producing the same, and...
    • Patent number 7,914,222
    • Issue date Mar 29, 2011
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of producing applicator tip
    • Patent number 7,721,402
    • Issue date May 25, 2010
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Aqueous ink composition
    • Patent number 7,538,148
    • Issue date May 26, 2009
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Erasable ink composition
    • Patent number 7,371,785
    • Issue date May 13, 2008
    • Sakura Color Products Corporation
    • Yasuyuki Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous ink composition
    • Patent number 6,666,913
    • Issue date Dec 23, 2003
    • Sakura Color Products Corporation
    • Norihiro Hirano
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous ink for ball point pens
    • Patent number 6,325,845
    • Issue date Dec 4, 2001
    • Sakura Color Products Corporation
    • Norimasa Kurihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    DISCOLORABLE INK COMPOSITION AND WRITING UTENSILS
    • Publication number 20100275813
    • Publication date Nov 4, 2010
    • Sakura Color Products Corporation
    • Norimasa Kurihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Water-Based Ink Composition
    • Publication number 20070203259
    • Publication date Aug 30, 2007
    • Sakura Color Products Corporation
    • Norimasa Kurihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Tip unit for liquid applicator, method for producing the same, and...
    • Publication number 20070110507
    • Publication date May 17, 2007
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Method of producing applicator tip
    • Publication number 20060260112
    • Publication date Nov 23, 2006
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Aqueous ink composition
    • Publication number 20060233595
    • Publication date Oct 19, 2006
    • SAKURA COLOR PRODUCTS CORPORATION
    • Hiroshi Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Erasable aqueous color material composition
    • Publication number 20060069183
    • Publication date Mar 30, 2006
    • Sakura Color Products Corporation
    • Norimasa Kurihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Erasable ink composition
    • Publication number 20050143486
    • Publication date Jun 30, 2005
    • Sakura Color Products Corporation
    • Yasuyuki Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Water-based ink composition
    • Publication number 20030089271
    • Publication date May 15, 2003
    • Norihiro Hirano
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...