TREA

Takashi Takeuchi

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  • Utsunomiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,741,959
    • Issue date May 3, 1988
    • Kao Corporation
    • Chiaki Abe
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,661,402
    • Issue date Apr 28, 1987
    • Kao Corporation
    • Nobuyuki Kishine
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Coated magnetic toner powder
    • Patent number 4,530,894
    • Issue date Jul 23, 1985
    • Kao Corporation
    • Tetsuya Imamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,529,649
    • Issue date Jul 16, 1985
    • Kao Corporation
    • Takashi Takeuchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Micelle solution compositions for recovering crude oil
    • Patent number 4,528,105
    • Issue date Jul 9, 1985
    • Teikoku Oil Co., Ltd.
    • Hiroshi Ito
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,501,795
    • Issue date Feb 26, 1985
    • Kao Corporation
    • Takashi Takeuchi
    • G11 - INFORMATION STORAGE