Norihiro Hirano

Person

  • Osaka-Fu, JP

Patents Grantslast 30 patents

  • 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

    Polychromic ink composition depending on viewing angle

    • Patent number 6,730,154
    • Issue date May 4, 2004
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • C01 - INORGANIC CHEMISTRY
  • 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

    Water base erasable ink compositions

    • Patent number 5,854,320
    • Issue date Dec 29, 1998
    • Sakura Color Products Corporation
    • Keiko Nakamura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • 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...
  • Information Patent Application

    Polychromic ink composition depending on viewing angle

    • Publication number 20020033117
    • Publication date Mar 21, 2002
    • SAKURA COLOR PRODUCTS CORPORATION
    • Hiroshi Inoue
    • C01 - INORGANIC CHEMISTRY