TREA

DONG-A TEACHING MATERIALS CO., LTD.

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  • DAEJEON, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Highlighter
    • Patent number D813311
    • Issue date Mar 20, 2018
    • Dong-A Teaching Materials Co., Ltd.
    • Hakjae Kim
    • D19 - Office supplies
  • Information Patent Grant

    Transparency solid cleaning agent
    • Patent number 9,228,162
    • Issue date Jan 5, 2016
    • Dong-A Teaching Materials Co., Ltd.
    • Hak Jae Kim
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Crystal growing ornament
    • Patent number 9,109,298
    • Issue date Aug 18, 2015
    • Dong-A Teaching Materials Co., Ltd.
    • Hak-Jae Kim
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Bar type clay member for craft
    • Patent number 9,074,068
    • Issue date Jul 7, 2015
    • Dong-A Teaching Materials Co., Ltd.
    • Hak-Jae Kim
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bar type clay for craft
    • Patent number 9,068,079
    • Issue date Jun 30, 2015
    • Dong-A Teaching Materials Co., Ltd.
    • Hak-Jae Kim
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Draw-out type solid marker
    • Patent number 8,500,353
    • Issue date Aug 6, 2013
    • Dong-A Teaching Materials Co., Ltd.
    • Hak-Jae Kim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Recrystallization type of ink composition
    • Patent number 8,425,675
    • Issue date Apr 23, 2013
    • Dong-A Teaching Materials Co., Ltd.
    • Chung Kyung Kim
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Transparent solid marker
    • Patent number 7,682,437
    • Issue date Mar 23, 2010
    • Dong-A Teaching Materials Co., Ltd.
    • Hak-Jae Kim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Core guide assembly for stationery article
    • Patent number 6,612,765
    • Issue date Sep 2, 2003
    • Dong-A Teaching Materials Co., Ltd.
    • Sun-Hyung Lee
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Transparency solid cleaning agent
    • Publication number 20140135249
    • Publication date May 15, 2014
    • DONG-A TEACHING MATERIALS CO., LTD.
    • Hak Jae KIM
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Application

    CRYSTAL GROWING ORNAMENT
    • Publication number 20120237413
    • Publication date Sep 20, 2012
    • DONG-A TEACHING MATERIALS CO., LTD.
    • Hak-Jae KIM
    • B44 - DECORATIVE ARTS
  • Information Patent Application

    RECRYSTALLIZATION TYPE OF INK COMPOSITION
    • Publication number 20110303118
    • Publication date Dec 15, 2011
    • DONG-A TEACHING MATERIALS CO., LTD.
    • Chung Kyung Kim
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRAW-OUT TYPE SOLID MAKER
    • Publication number 20110182650
    • Publication date Jul 28, 2011
    • DONG-A TEACHING MATERIALS CO., LTD.
    • Hak-Jae KIM
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BAR TYPE CLAY FOR CRAFT
    • Publication number 20110168054
    • Publication date Jul 14, 2011
    • DONG-A TEACHING MATERIALS CO., LTD.
    • Hak-Jae Kim
    • B44 - DECORATIVE ARTS
  • Information Patent Application

    BAR TYPE CLAY MEMBER FOR CRAFT
    • Publication number 20110171470
    • Publication date Jul 14, 2011
    • DONG-A TEACHING MATERIALS CO., LTD.
    • Hak-Jae KIM
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TRANSPARENT SOLID MARKER
    • Publication number 20090293767
    • Publication date Dec 3, 2009
    • DONG-A TEACHING MATERIALS CO., LTD.
    • HAK-JAE KIM
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Trademarklast 30 trademarks

  • Information Trademark

    90897931 - DONG-A STAIN OUT
    • Serial number 90897931
    • Filing date Aug 23, 2021
    • DONG-A TEACHING MATERIALS CO., LTD.
    • 3 - Bleaching preparations and other substances for laundry use
  • Information Trademark

    87719242 - NEWEN
    • Serial number 87719242
    • Registration number 5859806
    • Filing date Dec 13, 2017
    • DONG-A TEACHING MATERIALS CO., LTD.
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes
  • Information Trademark

    87719212 - FABLE GRAFICO
    • Serial number 87719212
    • Registration number 5795283
    • Filing date Dec 13, 2017
    • DONG-A TEACHING MATERIALS CO., LTD.
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes
  • Information Trademark

    87466055 - CLAYON
    • Serial number 87466055
    • Registration number 5644431
    • Filing date May 26, 2017
    • DONG-A TEACHING MATERIALS CO., LTD.
    • 28 - Games and playthings
  • Information Trademark

    87373926 - GRAFICO
    • Serial number 87373926
    • Filing date Mar 16, 2017
    • DONG-A TEACHING MATERIALS CO., LTD.
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes
  • Information Trademark

    87335086 - CLAYON DOUGH
    • Serial number 87335086
    • Registration number 5426049
    • Filing date Feb 14, 2017
    • DONG-A TEACHING MATERIALS CO., LTD.
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes
  • Information Trademark

    87246440 - CLAYON
    • Serial number 87246440
    • Registration number 5367824
    • Filing date Nov 23, 2016
    • DONG-A TEACHING MATERIALS CO., LTD.
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes