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Hidetoshi Fukuo

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil-based pigment ink composition and oil-based pigment ink writing...
    • Patent number 9,683,118
    • Issue date Jun 20, 2017
    • Sakura Color Products Corporation
    • Hidetoshi Fukuo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Crayon
    • Patent number 8,431,632
    • Issue date Apr 30, 2013
    • Sakura Color Products Corporation
    • Kotaro Sumitomo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Crayon and process for producing the same
    • Patent number 8,299,143
    • Issue date Oct 30, 2012
    • Sakura Color Products Corporation
    • Kotaro Sumitomo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Crayon and process for producing the same
    • Patent number 8,242,190
    • Issue date Aug 14, 2012
    • Sakura Color Products Corporation
    • Kotaro Sumitomo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for production of black crayon
    • Patent number 7,943,684
    • Issue date May 17, 2011
    • Sakura Color Products Corporation
    • Kotaro Sumitomo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Photostorage solid drawing medium
    • Patent number 7,485,406
    • Issue date Feb 3, 2009
    • Sakura Color Products Corporation
    • Hidetoshi Fukuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water base erasable ink composition for use in marking pens
    • Patent number 7,396,400
    • Issue date Jul 8, 2008
    • Sakura Color Products Corporation
    • Keiko Nakamura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Crayon
    • Patent number 7,384,459
    • Issue date Jun 10, 2008
    • Sakura Color Products Corporation
    • Hidetoshi Fukuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Solid composition
    • Patent number 7,297,732
    • Issue date Nov 20, 2007
    • Sakura Color Products Corporation
    • Akiko Shirota
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Solid drawing material and method for producing the same
    • Patent number 7,291,210
    • Issue date Nov 6, 2007
    • Sakura Color Products Corporation
    • Keiko Nakamura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water-based pigment-containing ink composition for central core typ...
    • Patent number 7,208,036
    • Issue date Apr 24, 2007
    • Sakura Color Products Corporation
    • Hidetoshi Fukuo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    Crayon
    • Patent number 6,203,910
    • Issue date Mar 20, 2001
    • Sakura Color Products Corporation
    • Hidetoshi Fukuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Fluorescent crayon
    • Patent number 6,074,465
    • Issue date Jun 13, 2000
    • Sakura Color Products Corporation
    • Hidetoshi Fukuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ink composition for oil marking pen
    • Patent number 6,039,795
    • Issue date Mar 21, 2000
    • Sakura Color Products Corporation
    • Hidetoshi Fukuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Microcapsule manufacture
    • Patent number 4,753,759
    • Issue date Jun 28, 1988
    • Sakura Color Products Corp.
    • Hidetoshi Fukuo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermochromic compositions
    • Patent number 4,620,941
    • Issue date Nov 4, 1986
    • Sakura Color Products Corporation
    • Kimio Yoshikawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink composition for indicating progress and completion of vulcaniza...
    • Patent number 4,605,441
    • Issue date Aug 12, 1986
    • Sakura Color Products Corporation
    • Yoshiaki Masuda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL-BASED PIGMENT INK COMPOSITION AND OIL-BASED PIGMENT INK WRITING...
    • Publication number 20160075893
    • Publication date Mar 17, 2016
    • SAKURA COLOR PRODUCTS CORPORATION
    • Hidetoshi FUKUO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    CRAYON
    • Publication number 20100273914
    • Publication date Oct 28, 2010
    • SAKURA COLOR PRODUCTS CORPORATION
    • Kotaro Sumitomo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    CRAYON AND PROCESS FOR PRODUCING THE SAME
    • Publication number 20100016471
    • Publication date Jan 21, 2010
    • SAKURA COLOR PRODUCTS CORPORATION
    • Kotaro Sumitomo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    CRAYON AND PROCESS FOR PRODUCING THE SAME
    • Publication number 20090326096
    • Publication date Dec 31, 2009
    • Sakura Color Products Corporation
    • Kotaro Sumitomo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    PROCESS FOR PRODUCTION OF BLACK CRAYON
    • Publication number 20090247668
    • Publication date Oct 1, 2009
    • Kotaro Sumitomo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    CRAYON
    • Publication number 20090209678
    • Publication date Aug 20, 2009
    • SAKURA COLOR PRODUCTS CORPORATION
    • Kotaro Sumitomo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Insect-Repellant Utensil and Process For Production Thereof
    • Publication number 20080155886
    • Publication date Jul 3, 2008
    • Norimasa Okuda
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Photostorage solid drawing medium
    • Publication number 20060210924
    • Publication date Sep 21, 2006
    • Hidetoshi Fukuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Crayon
    • Publication number 20060062906
    • Publication date Mar 23, 2006
    • Hidetoshi Fukuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Solid drawing material and method for producing the same
    • Publication number 20050252409
    • Publication date Nov 17, 2005
    • Keiko Nakamura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Photostorage solid drawing medium
    • Publication number 20050197423
    • Publication date Sep 8, 2005
    • Hidetoshi Fukuo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Water-borne pigment-containing ink composition for central core typ...
    • Publication number 20040173121
    • Publication date Sep 9, 2004
    • Hidetoshi Fukuo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Water base erasable ink composition for use in marking pens
    • Publication number 20040147632
    • Publication date Jul 29, 2004
    • Keiko Nakamura
    • 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
  • Information Patent Application

    Solid composition
    • Publication number 20010029275
    • Publication date Oct 11, 2001
    • Akiko Shirota
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...