TREA

Shigeyuki Ehashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water-based ink-jet recording fluid
    • Patent number 5,972,087
    • Issue date Oct 26, 1999
    • Toyo Ink Manufacturing Co., Ltd.
    • Hisashi Uraki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Pigment composition
    • Patent number 4,664,714
    • Issue date May 12, 1987
    • Toyo Ink Manufacturing Co., Ltd.
    • Hiromitsu Katsura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Pigment compositions and use thereof
    • Patent number 4,317,682
    • Issue date Mar 2, 1982
    • Toyo Ink Manufacturing Co. Ltd.
    • Hiromitsu Katsura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Pigment compositions
    • Patent number 4,310,359
    • Issue date Jan 12, 1982
    • Toyo Ink Manufacturing Co., Ltd.
    • Shigeyuki Ehashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...