Inventor
YASUKAWA RYOICHI
JP22 patents
Patents
22 patentsUSD692891SNov 5, 2013
Scanner
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US7621522B2Nov 24, 2009
Sheet feeding device
PFU LTD21 citations92
USD721372SJan 20, 2015
Scanner
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US8840108B2Sep 23, 2014
Paper reading apparatus, jam detection method, and computer-readable, non-transitory medium
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US7658374B2Feb 9, 2010
Sheet feeder
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USD703264SApr 22, 2014
Imprinter for scanner
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US8678372B2Mar 25, 2014
Medium feeding device
PFU LTD18 citations83
USD692890SNov 5, 2013
Scanner
PFU LTD8 citations83
US9242815B2Jan 26, 2016
Medium supply device
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US11834291B2Dec 5, 2023
Medium conveying apparatus for changing torque limit value of torque limiter
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US8777212B2Jul 15, 2014
Medium feeding device
PFU LTD2 citations62
US7568695B2Aug 4, 2009
Sheet feeder and jam detecting method
PFU LTD5 citations62
US9114947B2Aug 25, 2015
Medium supply device
PFU LTD2 citations61
US7971867B2Jul 5, 2011
Sheet feeding apparatus and medium detecting method
PFU LTD5 citations60
US7887043B2Feb 15, 2011
Feeding apparatus with switching pickup roller and brake roller
PFU LTD5 citations59
US11772920B2Oct 3, 2023
Medium conveying apparatus
PFU LTD0 citations52
US8925921B2Jan 6, 2015
Paper conveying apparatus, abnormality detection method, and computer-readable, non-transitory medium
PFU LTD1 citations52
US8764010B2Jul 1, 2014
Paper conveying apparatus, multifeed detection method, and computer-readable, non-transitory medium
PFU LTD0 citations52
US11565902B2Jan 31, 2023
Medium reversing and discharging device
PFU LTD0 citations50
US11407241B2Aug 9, 2022
Medium conveying apparatus for driving brake roller and conveying roller pair by using single motor
PFU LTD0 citations46
US7929869B2Apr 19, 2011
Sheet feeder and jam detecting method
PFU LTD0 citations42
US9139386B2Sep 22, 2015
Document feeder
PFU LTD0 citations41