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Masaru Kumagai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Three-dimensional object printing apparatus and three-dimensional o...
    • Patent number 12,257,774
    • Issue date Mar 25, 2025
    • Seiko Epson Corporation
    • Masaru Kumagai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Three-dimensional printing device
    • Patent number 12,179,502
    • Issue date Dec 31, 2024
    • Seiko Epson Corporation
    • Keigo Sugai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Three-dimensional object printing apparatus
    • Patent number 11,981,152
    • Issue date May 14, 2024
    • Seiko Epson Corporation
    • Masaru Kumagai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Three-dimensional object printing apparatus and three-dimensional o...
    • Patent number 11,945,163
    • Issue date Apr 2, 2024
    • Seiko Epson Corporation
    • Masaru Kumagai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Three-dimensional object printing apparatus
    • Patent number 11,932,035
    • Issue date Mar 19, 2024
    • Seiko Epson Corporation
    • Tomonaga Hasegawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3D object print apparatus and method
    • Patent number 11,826,947
    • Issue date Nov 28, 2023
    • Seiko Epson Corporation
    • Masaru Kumagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Liquid ejecting apparatus, liquid filling method, and air bubble di...
    • Patent number 10,717,295
    • Issue date Jul 21, 2020
    • Seiko Epson Corporation
    • Masaru Kumagai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid ejecting apparatuses
    • Patent number 10,661,574
    • Issue date May 26, 2020
    • Seiko Epson Corporation
    • Eiichiro Watanabe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid ejecting apparatus
    • Patent number 10,569,559
    • Issue date Feb 25, 2020
    • Seiko Epson Corporation
    • Yukihiro Hanaoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid ejecting apparatus
    • Patent number 10,214,024
    • Issue date Feb 26, 2019
    • Seiko Epson Corporation
    • Hiromichi Takanashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid ejecting apparatus and liquid supply method
    • Patent number 9,956,784
    • Issue date May 1, 2018
    • Seiko Epson Corporation
    • Masaru Kumagai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Cartridge
    • Patent number 9,616,671
    • Issue date Apr 11, 2017
    • Seiko Epson Corporation
    • Yoshihiro Koizumi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Cartridge and liquid supplying method
    • Patent number 9,555,637
    • Issue date Jan 31, 2017
    • Seiko Epson Corporation
    • Masaru Kumagai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid ejecting apparatus
    • Patent number 9,375,932
    • Issue date Jun 28, 2016
    • Seiko Epson Corporation
    • Masahisa Nawano
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet recording method
    • Patent number 9,193,151
    • Issue date Nov 24, 2015
    • Seiko Epson Corporation
    • Hideki Okada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing apparatus and printing method
    • Patent number 8,807,677
    • Issue date Aug 19, 2014
    • Seiko Epson Corporation
    • Shiki Kumagai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet recording method
    • Patent number 8,777,393
    • Issue date Jul 15, 2014
    • Seiko Epson Corporation
    • Hideki Okada
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ink jet recording method
    • Patent number 8,449,098
    • Issue date May 28, 2013
    • Seiko Epson Corporation
    • Hideki Okada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet recording method
    • Patent number 8,430,497
    • Issue date Apr 30, 2013
    • Seiko Epson Corporation
    • Hideki Okada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink composition, recording method using the same, and recorded matter
    • Patent number 8,133,314
    • Issue date Mar 13, 2012
    • Seiko Epson Corporation
    • Daisuke Ishihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    PRINTING APPARATUS AND PRINTING METHOD
    • Publication number 20240286350
    • Publication date Aug 29, 2024
    • SEIKO EPSON CORPORATION
    • Masaru Kumagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Three-Dimensional Object Printing Apparatus And Three-Dimensional O...
    • Publication number 20240269933
    • Publication date Aug 15, 2024
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Three-Dimensional Object Printing Apparatus And Three-Dimensional O...
    • Publication number 20240269992
    • Publication date Aug 15, 2024
    • SEIKO EPSON CORPORATION
    • Yoshinori NAKAJIMA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PRINTING APPARATUS AND PRINTING METHOD
    • Publication number 20240246336
    • Publication date Jul 25, 2024
    • SEIKO EPSON CORPORATION
    • Masamichi SUZUKI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    PRINTING APPARATUS
    • Publication number 20230294410
    • Publication date Sep 21, 2023
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THREE-DIMENSIONAL OBJECT PRINTING DEVICE AND CONTROL DEVICE
    • Publication number 20230286291
    • Publication date Sep 14, 2023
    • SEIKO EPSON CORPORATION
    • Masaru Kumagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PRINTING DEVICE
    • Publication number 20230249454
    • Publication date Aug 10, 2023
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Three-Dimensional Printing Device
    • Publication number 20230088150
    • Publication date Mar 23, 2023
    • SEIKO EPSON CORPORATION
    • Keigo SUGAI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Three-Dimensional Object Printing Apparatus
    • Publication number 20220266529
    • Publication date Aug 25, 2022
    • SEIKO EPSON CORPORATION
    • Tomonaga HASEGAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Three-Dimensional Object Printing Apparatus
    • Publication number 20220266530
    • Publication date Aug 25, 2022
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Three-Dimensional Object Printing Apparatus
    • Publication number 20220266521
    • Publication date Aug 25, 2022
    • SEIKO EPSON CORPORATION
    • Tomonaga HASEGAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Three-Dimensional Object Printing Apparatus And Three-Dimensional O...
    • Publication number 20220193997
    • Publication date Jun 23, 2022
    • SEIKO EPSON CORPORATION
    • Shinichi NAKAMURA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    3D OBJECT PRINT APPARATUS AND METHOD
    • Publication number 20220118680
    • Publication date Apr 21, 2022
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    THREE-DIMENSIONAL OBJECT PRINTING APPARATUS AND THREE-DIMENSIONAL O...
    • Publication number 20210402688
    • Publication date Dec 30, 2021
    • SEIKO EPSON CORPORATION
    • Masaru Kumagai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    THREE-DIMENSIONAL OBJECT PRINTING APPARATUS AND THREE-DIMENSIONAL O...
    • Publication number 20210402686
    • Publication date Dec 30, 2021
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LIQUID EJECTING APPARATUS, LIQUID FILLING METHOD, AND AIR BUBBLE DI...
    • Publication number 20190344580
    • Publication date Nov 14, 2019
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID EJECTING APPARATUSES
    • Publication number 20190283441
    • Publication date Sep 19, 2019
    • SEIKO EPSON CORPORATION
    • Eiichiro WATANABE
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID EJECTING APPARATUS
    • Publication number 20180162139
    • Publication date Jun 14, 2018
    • SEIKO EPSON CORPORATION
    • Yukihiro Hanaoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID EJECTING APPARATUS
    • Publication number 20170253038
    • Publication date Sep 7, 2017
    • SEIKO EPSON CORPORATION
    • Hiromichi TAKANASHI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID EJECTING APPARATUS AND LIQUID SUPPLY METHOD
    • Publication number 20170008293
    • Publication date Jan 12, 2017
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    CARTRIDGE
    • Publication number 20160288511
    • Publication date Oct 6, 2016
    • SEIKO EPSON CORPORATION
    • Yoshihiro KOIZUMI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    CARTRIDGE AND LIQUID SUPPLYING METHOD
    • Publication number 20160288510
    • Publication date Oct 6, 2016
    • SEIKO EPSON CORPORATION
    • Masaru KUMAGAI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID EJECTING APPARATUS
    • Publication number 20160152030
    • Publication date Jun 2, 2016
    • SEIKO EPSON CORPORATION
    • Masahisa NAWANO
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Ink Jet Recording Method
    • Publication number 20130286118
    • Publication date Oct 31, 2013
    • Hideki Okada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK JET RECORDING METHOD
    • Publication number 20130241991
    • Publication date Sep 19, 2013
    • SEIKO EPSON CORPORATION
    • Hideki Okada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    PRINTING APPARATUS AND PRINTING METHOD
    • Publication number 20130100186
    • Publication date Apr 25, 2013
    • SEIKO EPSON CORPORATION
    • Shiki KUMAGAI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK JET RECORDING METHOD
    • Publication number 20110242213
    • Publication date Oct 6, 2011
    • SEIKO EPSON CORPORATION
    • Hideki Okada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK JET RECORDING METHOD
    • Publication number 20110242196
    • Publication date Oct 6, 2011
    • SEIKO EPSON CORPORATION
    • Hideki OKADA
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK COMPOSITION, RECORDING METHOD USING THE SAME, AND RECORDED MATTER
    • Publication number 20100247874
    • Publication date Sep 30, 2010
    • Seiko Epson Corporation
    • Daisuke Ishihara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...