TREA

Sumio Soya

Follow

Person

  • Kawasaki, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing cyanobenzoic acid derivatives
    • Patent number 6,433,211
    • Issue date Aug 13, 2002
    • Showa Denko Kabushiki Kaisha
    • Hiroshi Yasuda
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Admixture of cement composition
    • Patent number 6,190,451
    • Issue date Feb 20, 2001
    • Showa Denko Kabushiki Kaisha
    • Sumio Soya
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Cleaning agent composition
    • Patent number 6,013,612
    • Issue date Jan 11, 2000
    • Showa Denko K.K.
    • Makoto Saito
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent composition
    • Patent number 5,929,006
    • Issue date Jul 27, 1999
    • Showa Denko K.K.
    • Makoto Saito
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Method for preparing an N-phosphonomethylglycine
    • Patent number 5,453,537
    • Issue date Sep 26, 1995
    • Showa Denko K.K.
    • Kohei Morikawa
    • C07 - ORGANIC CHEMISTRY