TREA

Keiji Tabata

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 5,175,138
    • Issue date Dec 29, 1992
    • Asahi Denka Kogyo Kabushiki Kaisha
    • Mitsuo Akutsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 4,980,336
    • Issue date Dec 25, 1990
    • Adeka Argus Chemical Co., Ltd.
    • Mitsuo Akutsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 4,918,046
    • Issue date Apr 17, 1990
    • Adeka Argus Chemical Co., Ltd.
    • Mitsuo Akutsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Process for producing ceramic molding
    • Patent number 4,889,672
    • Issue date Dec 26, 1989
    • Adeka Argus Chemical Co., Ltd.
    • Mitsuo Akutsu
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Phenol compound and heat-sensitive recording material
    • Patent number 4,774,367
    • Issue date Sep 27, 1988
    • Adeka Argus Chemical Co., Ltd.
    • MItsuo Akutsu
    • C07 - ORGANIC CHEMISTRY