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Haruhiko Koto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 6,942,322
    • Issue date Sep 13, 2005
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 6,742,875
    • Issue date Jun 1, 2004
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 6,186,619
    • Issue date Feb 13, 2001
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 5,910,809
    • Issue date Jun 8, 1999
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 5,894,317
    • Issue date Apr 13, 1999
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 5,600,357
    • Issue date Feb 4, 1997
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 5,446,485
    • Issue date Aug 29, 1995
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop-on-demand ink-jet printing head
    • Patent number 5,444,471
    • Issue date Aug 22, 1995
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet head
    • Patent number 5,113,204
    • Issue date May 12, 1992
    • Seiko Epson Corporation
    • Yoshinori Miyazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hot melt ink jet printing apparatus
    • Patent number 5,105,209
    • Issue date Apr 14, 1992
    • Seiko Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hot melt ink jet printing apparatus
    • Patent number 4,998,120
    • Issue date Mar 5, 1991
    • Seiko Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet printer of the ink-on-demand type
    • Patent number 4,806,955
    • Issue date Feb 21, 1989
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink droplet detecting apparatus
    • Patent number 4,768,045
    • Issue date Aug 30, 1988
    • Seiko Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet printer of the ink-on-demand type
    • Patent number 4,620,202
    • Issue date Oct 28, 1986
    • Seiko Epson Kabushiki Kaisha
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet printer of the ink-on-demand type
    • Patent number 4,617,581
    • Issue date Oct 14, 1986
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet printer of the ink-on-demand type
    • Patent number 4,589,000
    • Issue date May 13, 1986
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Low voltage ink-jet printhead
    • Patent number 4,546,362
    • Issue date Oct 8, 1985
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet recording head
    • Patent number 4,525,728
    • Issue date Jun 25, 1985
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet printing apparatus
    • Patent number 4,520,374
    • Issue date May 28, 1985
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Low voltage ink-jet printhead
    • Patent number 4,502,058
    • Issue date Feb 26, 1985
    • Shinshu Seiki Kabushiki Kabushiki Kaisha Suwa Seikosha
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Non-impact recording device
    • Patent number 4,462,035
    • Issue date Jul 24, 1984
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Small size ink jet printer
    • Patent number 4,450,454
    • Issue date May 22, 1984
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet print head
    • Patent number 4,443,807
    • Issue date Apr 17, 1984
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Small printer
    • Patent number 4,436,439
    • Issue date Mar 13, 1984
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet printer head
    • Patent number 4,434,430
    • Issue date Feb 28, 1984
    • Epson Corporation
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink supply system for ink jet printers
    • Patent number 4,368,478
    • Issue date Jan 11, 1983
    • Shinshu Seiki Kabushiki Kaisha
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet printing head
    • Patent number 4,364,066
    • Issue date Dec 14, 1982
    • Shinshu Seiki Kabushiki Kaisha
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Highly integrated ink jet head
    • Patent number 4,364,067
    • Issue date Dec 14, 1982
    • Kabushiki Kaisha Suwa Seikosha
    • Haruhiko Koto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    Drop-on-demand ink-jet printing head
    • Publication number 20040141034
    • Publication date Jul 22, 2004
    • Seiko Epson Corporation
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Drop-on-demand ink-jet printing head
    • Publication number 20010002136
    • Publication date May 31, 2001
    • Minoru Usui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS