TREA

Junko Shimizu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Water-based recording ink
    • Patent number 5,607,999
    • Issue date Mar 4, 1997
    • Seiko Epson Corporation
    • Junko Shimizu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ink compositions for ink jet printing
    • Patent number 5,503,664
    • Issue date Apr 2, 1996
    • Seiko Epson Corporation
    • Yukari Sano
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ink compositions for ink jet printing
    • Patent number 5,324,349
    • Issue date Jun 28, 1994
    • Seiko Epson Corporation
    • Yukari Sano
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...