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Akio Kumagai

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  • Okegawa-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink composition for jet printer
    • Patent number 8,383,743
    • Issue date Feb 26, 2013
    • Dainippon Ink and Chemicals, Inc.
    • Akio Kumagai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    INK FOR JET PRINTER
    • Publication number 20090246484
    • Publication date Oct 1, 2009
    • Dainippon Ink and Chemicals, Inc.
    • Akio Kumagai
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    INK COMPOSITION FOR JET PRINTER
    • Publication number 20090130405
    • Publication date May 21, 2009
    • DAINIPPON INK AND CHEMICALS, INC.
    • Akio Kumagai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS