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Tung Wen Tu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Scanning apparatus
    • Patent number 8,928,952
    • Issue date Jan 6, 2015
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Inkjet printing device
    • Patent number 8,915,573
    • Issue date Dec 23, 2014
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Scanning apparatus with calibrating function
    • Patent number 8,830,535
    • Issue date Sep 9, 2014
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Duplex scanning apparatus
    • Patent number 8,730,541
    • Issue date May 20, 2014
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic document feeder
    • Patent number 8,496,240
    • Issue date Jul 30, 2013
    • Primax Electronics, Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Inkjet head maintenance device
    • Patent number 8,366,238
    • Issue date Feb 5, 2013
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Paper-stopping mechanism of automatic document feeder
    • Patent number 8,231,122
    • Issue date Jul 31, 2012
    • Primax Electronics, Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sheet pick-up device of automatic document feeder
    • Patent number 8,162,312
    • Issue date Apr 24, 2012
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Duplex document reader
    • Patent number 7,866,653
    • Issue date Jan 11, 2011
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sheet media input system
    • Patent number 7,828,285
    • Issue date Nov 9, 2010
    • Hewlett-Packard Development Company, L.P.
    • Tzy Woei Chu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Document-feeding device with improved sheet-separating structure
    • Patent number 7,798,485
    • Issue date Sep 21, 2010
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Automatic document feeder having mechanism for releasing paper jam
    • Patent number 7,726,650
    • Issue date Jun 1, 2010
    • Primax Electroncs Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Ejecting roller assembly for use in automatic document feeder
    • Patent number 7,628,401
    • Issue date Dec 8, 2009
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SCANNING APPARATUS
    • Publication number 20140327941
    • Publication date Nov 6, 2014
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INKJET PRINTING DEVICE
    • Publication number 20140125732
    • Publication date May 8, 2014
    • PRIMAX ELECTRONICS LTD.
    • Tung-Wen Tu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    NOZZLE CLEANING MECHANISM OF INKJET PRINTING DEVICE
    • Publication number 20140063120
    • Publication date Mar 6, 2014
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    SCANNING APPARATUS WITH CALIBRATING FUNCTION
    • Publication number 20130329266
    • Publication date Dec 12, 2013
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUTOMATIC DOCUMENT FEEDER
    • Publication number 20130187326
    • Publication date Jul 25, 2013
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    DUPLEX SCANNING APPARATUS
    • Publication number 20130182298
    • Publication date Jul 18, 2013
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INKJET HEAD MAINTENANCE DEVICE
    • Publication number 20120147091
    • Publication date Jun 14, 2012
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    PAPER-STOPPING MECHANISM OF AUTOMATIC DOCUMENT FEEDER
    • Publication number 20120133095
    • Publication date May 31, 2012
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    SHEET PICK-UP DEVICE OF AUTOMATIC DOCUMENT FEEDER
    • Publication number 20110316219
    • Publication date Dec 29, 2011
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PRINTING DEVICE
    • Publication number 20110199450
    • Publication date Aug 18, 2011
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    DOCUMENT-FEDDING DEVICE WITH IMPROVED SHEET-SEPARATING STRUCTURE
    • Publication number 20080309000
    • Publication date Dec 18, 2008
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    EJECTING ROLLER ASSEMBLY FOR USE IN AUTOMATIC DOCUMENT FEEDER
    • Publication number 20080197143
    • Publication date Aug 21, 2008
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    AUTOMATIC DOCUMENT FEEDER HAVING MECHANISM FOR RELEASING PAPER JAM
    • Publication number 20080191412
    • Publication date Aug 14, 2008
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUPLEX DOCUMENT READER
    • Publication number 20080179822
    • Publication date Jul 31, 2008
    • Primax Electronics Ltd.
    • Tung-Wen Tu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sheet media input system
    • Publication number 20070273084
    • Publication date Nov 29, 2007
    • Tzy Woei Chu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS