Mitsutaka Seki

Person

  • Kawaguchi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Purified chitins and production process thereof

    • Patent number 6,989,440
    • Issue date Jan 24, 2006
    • Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    • Takanori Sannan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Seed colorant

    • Patent number 4,881,343
    • Issue date Nov 21, 1989
    • Dainichiseika Color & Chemicals Mfg. Co. Ltd.
    • Takanori Sannan
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Seed colorant

    • Patent number 4,853,429
    • Issue date Aug 1, 1989
    • Dainichiseika Color & Chemicals Mfg. Co. Ltd.
    • Takanori Sannan
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Purified chitins and production process thereof

    • Publication number 20030045692
    • Publication date Mar 6, 2003
    • DAINICHISEIKA COLOR & CHEMICAL MFG. CO., LTD.
    • Takanori Sannan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...