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Ryoichi Yasukawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Medium conveying apparatus for changing torque limit value of torqu...
    • Patent number 11,834,291
    • Issue date Dec 5, 2023
    • PFU Limited
    • Takayuki Umi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Medium conveying apparatus
    • Patent number 11,772,920
    • Issue date Oct 3, 2023
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Medium reversing and discharging device
    • Patent number 11,565,902
    • Issue date Jan 31, 2023
    • PFU Limited
    • Yoshito Hirai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Medium conveying apparatus for driving brake roller and conveying r...
    • Patent number 11,407,241
    • Issue date Aug 9, 2022
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Medium supply device
    • Patent number 9,242,815
    • Issue date Jan 26, 2016
    • PFU Limited
    • Hideyuki Okumura
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Document feeder
    • Patent number 9,139,386
    • Issue date Sep 22, 2015
    • PFU Limited
    • Kiichiro Shimosaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Medium supply device
    • Patent number 9,114,947
    • Issue date Aug 25, 2015
    • PFU Limited
    • Hideyuki Okumura
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Scanner
    • Patent number D721372
    • Issue date Jan 20, 2015
    • PFU Limited
    • Satoshi Kuroda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Paper conveying apparatus, abnormality detection method, and comput...
    • Patent number 8,925,921
    • Issue date Jan 6, 2015
    • PFU Limited
    • Shuichi Morikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Paper reading apparatus, jam detection method, and computer-readabl...
    • Patent number 8,840,108
    • Issue date Sep 23, 2014
    • PFU Limited
    • Shuichi Morikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Medium feeding device
    • Patent number 8,777,212
    • Issue date Jul 15, 2014
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Paper conveying apparatus, multifeed detection method, and computer...
    • Patent number 8,764,010
    • Issue date Jul 1, 2014
    • PFU Limited
    • Shuichi Morikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Imprinter for scanner
    • Patent number D703264
    • Issue date Apr 22, 2014
    • PFU Limited
    • Motoshi Shibuya
    • D18 - Printing and office machinery
  • Information Patent Grant

    Medium feeding device
    • Patent number 8,678,372
    • Issue date Mar 25, 2014
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Scanner
    • Patent number D692890
    • Issue date Nov 5, 2013
    • PFU Limited
    • Motoshi Shibuya
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Scanner
    • Patent number D692891
    • Issue date Nov 5, 2013
    • PFU Limited
    • Satoshi Kuroda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Sheet feeding apparatus and medium detecting method
    • Patent number 7,971,867
    • Issue date Jul 5, 2011
    • PFU Limited
    • Hiroshi Shiraiwa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sheet feeder and jam detecting method
    • Patent number 7,929,869
    • Issue date Apr 19, 2011
    • PFU Limited
    • Ryoichi Yasukawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Feeding apparatus with switching pickup roller and brake roller
    • Patent number 7,887,043
    • Issue date Feb 15, 2011
    • PFU Limited
    • Masaya Takamori
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sheet feeder
    • Patent number 7,658,374
    • Issue date Feb 9, 2010
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sheet feeding device
    • Patent number 7,621,522
    • Issue date Nov 24, 2009
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sheet feeder and jam detecting method
    • Patent number 7,568,695
    • Issue date Aug 4, 2009
    • PFU Limited
    • Ryoichi Yasukawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    MEDIUM CONVEYING APPARATUS FOR DRIVING BRAKE ROLLER AND CONVEYING R...
    • Publication number 20210187977
    • Publication date Jun 24, 2021
    • PFU LIMITED
    • Ryoichi Yasukawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    MEDIUM CONVEYING APPARATUS FOR CHANGING TORQUE LIMIT VALUE OF TORQU...
    • Publication number 20210188576
    • Publication date Jun 24, 2021
    • PFU LIMITED
    • Takayuki Umi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MEDIUM CONVEYING APPARATUS
    • Publication number 20210179372
    • Publication date Jun 17, 2021
    • PFU Limited
    • Ryoichi YASUKAWA
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MEDIUM REVERSING AND DISCHARGING DEVICE
    • Publication number 20210171308
    • Publication date Jun 10, 2021
    • PFU Limited
    • Yoshito Hirai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MEDIUM SUPPLY DEVICE
    • Publication number 20140203495
    • Publication date Jul 24, 2014
    • PFU LIMITED
    • Hideyuki OKUMURA
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MEDIUM SUPPLY DEVICE
    • Publication number 20140203494
    • Publication date Jul 24, 2014
    • PFU LIMITED
    • Hideyuki OKUMURA
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    DOCUMENT FEEDER
    • Publication number 20140175732
    • Publication date Jun 26, 2014
    • PFU LIMITED
    • Kiichiro Shimosaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PAPER CONVEYING APPARATUS, ABNORMALITY DETECTION METHOD, AND COMPUT...
    • Publication number 20140077445
    • Publication date Mar 20, 2014
    • PFU LIMITED
    • Shuichi Morikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PAPER CONVEYING APPARATUS, MULTIFEED DETECTION METHOD, AND COMPUTER...
    • Publication number 20140054849
    • Publication date Feb 27, 2014
    • PFU LIMITED
    • Shuichi Morikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READA...
    • Publication number 20140054851
    • Publication date Feb 27, 2014
    • PFU LIMITED
    • Shuichi Morikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MEDIUM FEEDING DEVICE
    • Publication number 20130241144
    • Publication date Sep 19, 2013
    • PFU LIMITED
    • Ryoichi YASUKAWA
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MEDIUM FEEDING DEVICE
    • Publication number 20130241145
    • Publication date Sep 19, 2013
    • PFU LIMITED
    • Ryoichi YASUKAWA
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    FEEDING APPARATUS
    • Publication number 20100102499
    • Publication date Apr 29, 2010
    • PFU Limited
    • Masaya TAKAMORI
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    SHEET FEEDING APPARATUS AND MEDIUM DETECTING METHOD
    • Publication number 20100096799
    • Publication date Apr 22, 2010
    • PFU Limited
    • Hiroshi SHIRAIWA
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Sheet feeder and jam detecting method
    • Publication number 20080279574
    • Publication date Nov 13, 2008
    • PFU Limited of Ishikawa, Japan
    • Ryoichi Yasukawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SHEET FEEDING DEVICE
    • Publication number 20080203652
    • Publication date Aug 28, 2008
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Sheet feeder
    • Publication number 20060214356
    • Publication date Sep 28, 2006
    • PFU Limited
    • Ryoichi Yasukawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Sheet feeder and jam detecting method
    • Publication number 20060159470
    • Publication date Jul 20, 2006
    • PFU Limited
    • Ryoichi Yasukawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Sheet feeder and jam detecting method
    • Publication number 20060159471
    • Publication date Jul 20, 2006
    • PFU Limited
    • Ryoichi Yasukawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY