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Yukari Ishikawa

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recording medium for ink jet printers
    • Patent number 6,815,021
    • Issue date Nov 9, 2004
    • Seiko Epson Corporation
    • Takayuki Ishikawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink-jet recording medium
    • Patent number 6,656,544
    • Issue date Dec 2, 2003
    • Tomoegawa Paper Co., Ltd.
    • Takayuki Ishikawa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Medium for ink-jet recording
    • Patent number 6,548,150
    • Issue date Apr 15, 2003
    • Seiko Epson Corporation
    • Takayuki Ishikawa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC