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Masafumi Seki

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  • Fukushima-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink cartridge and ink jet printer
    • Patent number 10,207,511
    • Issue date Feb 19, 2019
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid storage container
    • Patent number 9,931,855
    • Issue date Apr 3, 2018
    • Canon Kabushiki Kaisha
    • Shigeki Fukui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink cartridge and ink jet printer
    • Patent number 9,840,082
    • Issue date Dec 12, 2017
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink cartridge and ink jet printer
    • Patent number 9,821,562
    • Issue date Nov 21, 2017
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink cartridge and ink jet printer
    • Patent number 9,597,884
    • Issue date Mar 21, 2017
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink tank for printer
    • Patent number D767674
    • Issue date Sep 27, 2016
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • D18 - Printing and office machinery
  • Information Patent Grant

    Ink tank for printer
    • Patent number D767675
    • Issue date Sep 27, 2016
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • D18 - Printing and office machinery
  • Information Patent Grant

    Ink tank for printer
    • Patent number D767672
    • Issue date Sep 27, 2016
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • D18 - Printing and office machinery
  • Information Patent Grant

    Ink tank for printer
    • Patent number D767673
    • Issue date Sep 27, 2016
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • D18 - Printing and office machinery
  • Information Patent Grant

    Liquid storage container and liquid ejection apparatus
    • Patent number 9,333,758
    • Issue date May 10, 2016
    • Canon Kabushiki Kaisha
    • Hiroshi Koshikawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid storage container and liquid ejection apparatus
    • Patent number 9,278,540
    • Issue date Mar 8, 2016
    • Canon Kabushiki Kaisha
    • Masafumi Seki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    INK CARTRIDGE AND INK JET PRINTER
    • Publication number 20180015728
    • Publication date Jan 18, 2018
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID STORAGE CONTAINER
    • Publication number 20170120610
    • Publication date May 4, 2017
    • Canon Kabushiki Kaisha
    • Shigeki Fukui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK CARTRIDGE AND INK JET PRINTER
    • Publication number 20170096010
    • Publication date Apr 6, 2017
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK CARTRIDGE AND INK JET PRINTER
    • Publication number 20160200114
    • Publication date Jul 14, 2016
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK CARTRIDGE AND INK JET PRINTER
    • Publication number 20160200113
    • Publication date Jul 14, 2016
    • Canon Kabushiki Kaisha
    • Tatsuo Nanjo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID STORAGE CONTAINER AND LIQUID EJECTION APPARATUS
    • Publication number 20150375514
    • Publication date Dec 31, 2015
    • Canon Kabushiki Kaisha
    • Hiroshi Koshikawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID STORAGE CONTAINER AND LIQUID EJECTION APPARATUS
    • Publication number 20150375515
    • Publication date Dec 31, 2015
    • Canon Kabushiki Kaisha
    • Masafumi Seki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS