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KABUSHIKI KAISHA GAKUSHU KENKYUSHA (GAKKEN CO., LTD

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  • OHTA-KU, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Block toy including a plurality of blocks that can be variously ass...
    • Patent number 5,354,224
    • Issue date Oct 11, 1994
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Sozo Ishiyama
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Portable planter for growing small plants
    • Patent number D334728
    • Issue date Apr 13, 1993
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Shozo Ishiyama
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Jigsaw puzzle toy using blocks
    • Patent number 5,190,287
    • Issue date Mar 2, 1993
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Shozo Ishiyama
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Air cushion boat toy
    • Patent number D329886
    • Issue date Sep 29, 1992
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Takashi Fujitani
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Air-cushion vehicle toy
    • Patent number 5,045,013
    • Issue date Sep 3, 1991
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Takashi Fujitani
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Correct answer displaying device for arithmetic practicing unit
    • Patent number 4,674,433
    • Issue date Jun 23, 1987
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Mitate Inada
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Running toy
    • Patent number 4,671,779
    • Issue date Jun 9, 1987
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Kenzo Kurosawa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Children's block toy
    • Patent number 4,667,962
    • Issue date May 26, 1987
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Shozo Ishiyama
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reflection type overhead projector
    • Patent number 4,636,050
    • Issue date Jan 13, 1987
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Susumu Tohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    School utensil and toy robot
    • Patent number 4,561,184
    • Issue date Dec 31, 1985
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Takashi Fujitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electric numbering machine
    • Patent number 4,406,551
    • Issue date Sep 27, 1983
    • Kabushiki Kaisha Gakushu Kenkyusha (Gakken Co., Ltd.)
    • Osamu Maezawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Numeral adding toy
    • Patent number 4,368,381
    • Issue date Jan 11, 1983
    • Kabushiki Kaisha Gakushu Kenkyusha (Gakken Co., Ltd.)
    • Shozo Ishiyama
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    74029510 - CARDIOMASTER
    • Serial number 74029510
    • Filing date Feb 16, 1990
    • Kabushiki Kaisha Gakushu Kenkyusha
    • 10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
  • Information Trademark

    73720794 - GAKKEN
    • Serial number 73720794
    • Registration number 1584835
    • Filing date Apr 6, 1988
    • KABUSHIKI KAISHA GAKUSHU KENKYUSHA
    • 28 - Games and playthings
  • Information Trademark

    73586515 - CAPA
    • Serial number 73586515
    • Registration number 1424800
    • Filing date Mar 6, 1986
    • KABUSHIKI KAISHA GAKUSHU KENKYUSHA
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes
  • Information Trademark

    73031526 - MYKIT
    • Serial number 73031526
    • Registration number 1017039
    • Filing date Sep 9, 1974
    • KABUSHIKI KAISHA GAKUSHU KENKYUSHA
    • 28 - Games and playthings
  • Information Trademark

    73019894 - GAKKEN
    • Serial number 73019894
    • Registration number 1033121
    • Filing date Apr 26, 1974
    • KABUSHIKI KAISHA GAKUSHU KENKYUSHA
    • 28 - Games and playthings