Inventor · disambiguated record
Ryoichi Yasukawa
Also filed as: YASUKAWA RYOICHI
22 granted patents·1 pending application·125 citations·filing 2006–2021
94Inventor score
Top patents by PatentIndex Score
23 records- 0196US8678372B2Medium feeding devicePFU LTD·Filed 2013·Granted Mar 25, 2014·18 cites·7 claims
- 0294US7621522B2Sheet feeding devicePFU LTD·Filed 2008·Granted Nov 24, 2009·21 cites·5 claims
- 0389US8840108B2Paper reading apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 23, 2014·7 cites·8 claims
- 0487US7658374B2Sheet feederPFU LTD·Filed 2006·Granted Feb 9, 2010·10 cites·8 claims
- 0577US7568695B2Sheet feeder and jam detecting methodPFU LTD·Filed 2006·Granted Aug 4, 2009·5 cites·8 claims
- 0675US7971867B2Sheet feeding apparatus and medium detecting methodPFU LTD·Filed 2009·Granted Jul 5, 2011·5 cites·6 claims
- 0773US9242815B2Medium supply devicePFU LTD·Filed 2013·Granted Jan 26, 2016·3 cites·2 claims
- 0872USD692891SScannerPFU LTD·Filed 2013·Granted Nov 5, 2013·17 cites·1 claims
- 0972US7887043B2Feeding apparatus with switching pickup roller and brake rollerPFU LTD·Filed 2009·Granted Feb 15, 2011·5 cites·7 claims
- 1070US8777212B2Medium feeding devicePFU LTD·Filed 2013·Granted Jul 15, 2014·2 cites·5 claims
- 1168US9114947B2Medium supply devicePFU LTD·Filed 2013·Granted Aug 25, 2015·2 cites·4 claims
- 1267US8925921B2Paper conveying apparatus, abnormality detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Jan 6, 2015·1 cites·4 claims
- 1363USD703264SImprinter for scannerPFU LTD·Filed 2013·Granted Apr 22, 2014·12 cites·1 claims
- 1462US11834291B2Medium conveying apparatus for changing torque limit value of torque limiterPFU LTD·Filed 2020·Granted Dec 5, 2023·0 cites·6 claims
- 1558US11565902B2Medium reversing and discharging devicePFU LTD·Filed 2021·Granted Jan 31, 2023·0 cites·10 claims
- 1658USD721372SScannerPFU LTD·Filed 2013·Granted Jan 20, 2015·9 cites·1 claims
- 1755US11407241B2Medium conveying apparatus for driving brake roller and conveying roller pair by using single motorPFU LTD·Filed 2020·Granted Aug 9, 2022·0 cites·12 claims
- 1854US11772920B2Medium conveying apparatusPFU LTD·Filed 2021·Granted Oct 3, 2023·0 cites·4 claims
- 1954USD692890SScannerPFU LTD·Filed 2013·Granted Nov 5, 2013·8 cites·1 claims
- 2050US2008279574A1Sheet feeder and jam detecting methodPFU LTD OF ISHIKAWA JAPAN·Filed 2008·Application pending·0 cites
- 2149US8764010B2Paper conveying apparatus, multifeed detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Jul 1, 2014·0 cites·6 claims
- 2247US7929869B2Sheet feeder and jam detecting methodPFU LTD·Filed 2006·Granted Apr 19, 2011·0 cites·4 claims
- 2345US9139386B2Document feederPFU LTD·Filed 2013·Granted Sep 22, 2015·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →