TREA

Suketsugu Koumura

Follow

Person

  • Hirakata, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Disazo dye composition
    • Patent number 4,257,770
    • Issue date Mar 24, 1981
    • Sumitomo Chemical Company, Limited
    • Nobuzi Nishimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Triazinyl-antraquinone dyes
    • Patent number 4,230,852
    • Issue date Oct 28, 1980
    • Sumitomo Chemical Company, Limited
    • Yoshihisa Sueda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Metallized triazine reactive dyes
    • Patent number 4,148,790
    • Issue date Apr 10, 1979
    • Sumitomo Chemical Company Limited
    • Yoshihisa Sueda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...