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Ryouta MATSUFUJI

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink-jet printing method and apparatus
    • Patent number 8,777,346
    • Issue date Jul 15, 2014
    • Ricoh Company, Ltd.
    • Takashi Satou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid ejection head, liquid-droplet ejection device, and image for...
    • Patent number 8,348,407
    • Issue date Jan 8, 2013
    • Ricoh Company, Ltd.
    • Ryouta Matsufuji
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Inkjet recording head
    • Patent number 7,681,987
    • Issue date Mar 23, 2010
    • Ricoh Printing Systems, Ltd.
    • Satoru Tobita
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink jet head
    • Patent number 7,654,652
    • Issue date Feb 2, 2010
    • Ricoh Printing Systems, Ltd.
    • Satoru Tobita
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Inkjet head and ejection device
    • Patent number 7,131,718
    • Issue date Nov 7, 2006
    • Ricoh Printing Systems, Ltd.
    • Ryouta Matsufuji
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    INK-JET PRINTING METHOD AND APPARATUS
    • Publication number 20130038651
    • Publication date Feb 14, 2013
    • RICOH COMPANY, LTD.
    • Takashi SATOU
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    LIQUID EJECTION HEAD, LIQUID-DROPLET EJECTION DEVICE, AND IMAGE FOR...
    • Publication number 20100328409
    • Publication date Dec 30, 2010
    • RICOH COMPANY, LTD.
    • Ryouta MATSUFUJI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Inkjet recording head
    • Publication number 20060197809
    • Publication date Sep 7, 2006
    • Satoru Tobita
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Ink jet head
    • Publication number 20060044364
    • Publication date Mar 2, 2006
    • Satoru Tobita
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Inkjet head and ejection device
    • Publication number 20040263579
    • Publication date Dec 30, 2004
    • Ryouta Matsufuji
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS