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Tsutomu Ikehata

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  • Sakado, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gap adjusting device of an impact dot printer
    • Patent number 5,704,721
    • Issue date Jan 6, 1998
    • Citizen Watch Co., Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print head for dot matrix printer
    • Patent number 5,370,467
    • Issue date Dec 6, 1994
    • Citizen Watch Co., Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing head for printer
    • Patent number 5,312,194
    • Issue date May 17, 1994
    • Citizen Watch Co., Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer head for printer
    • Patent number 5,257,868
    • Issue date Nov 2, 1993
    • Citizen Watch Co., Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing head using staggered arrangement needles
    • Patent number 5,133,613
    • Issue date Jul 28, 1992
    • Citizen Watch Co., Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print head
    • Patent number 5,102,245
    • Issue date Apr 7, 1992
    • Citizen Watch Co., Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print head having reduced noise and vibration characteristics
    • Patent number 5,013,169
    • Issue date May 7, 1991
    • Citizen Watch Company, Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing head for use in dot printers
    • Patent number 4,687,355
    • Issue date Aug 18, 1987
    • Citizen Watch Co., Ltd.
    • Tsutomu Ikehata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Leaf spring unit for a dot matrix printer
    • Patent number 4,610,553
    • Issue date Sep 9, 1986
    • Citizen Watch Co., Ltd.
    • Makoto Yasunaga
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS