TREA

Keishi Sawada

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  • Amagasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink-jet recording device
    • Patent number 6,305,791
    • Issue date Oct 23, 2001
    • Minolta Co., Ltd.
    • Hideo Hotomi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink-jet recording head
    • Patent number 6,142,607
    • Issue date Nov 7, 2000
    • Minolta Co., Ltd.
    • Hisashi Takata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS