Assignee
PFU LTD
JP·550 granted patents·156 pending applications·5,132 citations·filing 1987–2025
Top patents by PatentIndex Score
706 records- 0197USD610582SInformation terminalPFU LTD·Filed 2008·Granted Feb 23, 2010·109 cites·1 claims
- 0297US6568674B2Paper feeding apparatusPFU LTD·Filed 2001·Granted May 27, 2003·58 cites·2 claims
- 0396US8678372B2Medium feeding devicePFU LTD·Filed 2013·Granted Mar 25, 2014·18 cites·7 claims
- 0496USD605189SComputer terminalPFU LTD·Filed 2008·Granted Dec 1, 2009·75 cites·1 claims
- 0595US9473653B2Image reading apparatusPFU LTD·Filed 2015·Granted Oct 18, 2016·15 cites·6 claims
- 0695US9039010B2Paper conveying apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted May 26, 2015·12 cites·6 claims
- 0795USD717289SSmart phone stand with communication and lamp functionPFU LTD·Filed 2013·Granted Nov 11, 2014·69 cites·1 claims
- 0895US8827266B2Paper conveying apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 9, 2014·12 cites·7 claims
- 0995USD605191SComputer terminalPFU LTD·Filed 2008·Granted Dec 1, 2009·65 cites·1 claims
- 1095US6540219B1Paper feeding devicePFU LTD·Filed 2000·Granted Apr 1, 2003·50 cites·7 claims
- 1194US11208279B2Medium conveying apparatus for correcting a skew of a medium using three sensorsPFU LTD·Filed 2019·Granted Dec 28, 2021·4 cites·15 claims
- 1294US8827267B2Paper conveying apparatus, recovery method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 9, 2014·10 cites·8 claims
- 1394US7621522B2Sheet feeding devicePFU LTD·Filed 2008·Granted Nov 24, 2009·21 cites·5 claims
- 1494USD549705SScannerPFU LTD·Filed 2006·Granted Aug 28, 2007·59 cites·1 claims
- 1594USD475052SImage reader for a computerPFU LTD·Filed 2002·Granted May 27, 2003·60 cites·1 claims
- 1693US12017882B2Medium conveying apparatus in which separation force of separation roller by gear with respect to pressing force of separation roller by torque limiter is set appropriatelyPFU LTD·Filed 2021·Granted Jun 25, 2024·2 cites·4 claims
- 1793US7903171B2Notebook information processor and image reading methodPFU LTD·Filed 2008·Granted Mar 8, 2011·40 cites·18 claims
- 1893USD563413SScannerPFU LTD·Filed 2006·Granted Mar 4, 2008·55 cites·1 claims
- 1993USD516069SIdentification image scanner and routerPFU LTD·Filed 2004·Granted Feb 28, 2006·54 cites·1 claims
- 2092US12234119B2Medium conveying apparatus to correct skew of medium using second roller while moving first roller to be spaced apart from mediumPFU LTD·Filed 2021·Granted Feb 25, 2025·2 cites·20 claims
- 2192US11714339B2Image reading apparatusPFU LTD·Filed 2021·Granted Aug 1, 2023·2 cites·6 claims
- 2292US10189662B2Medium supplying apparatusPFU LTD·Filed 2017·Granted Jan 29, 2019·6 cites·6 claims
- 2392USD605190SComputer terminalPFU LTD·Filed 2008·Granted Dec 1, 2009·49 cites·1 claims
- 2491US11673759B2Medium ejecting apparatus including stopper to rise in response to operation of trayPFU LTD·Filed 2021·Granted Jun 13, 2023·2 cites·4 claims
- 2590US12540048B2Medium conveying apparatus to detect predetermined medium based on lift of mediumPFU LTD·Filed 2023·Granted Feb 3, 2026·1 cites·12 claims
- 2690US12319529B2Medium conveying apparatus to keep separation roller pressed toward feed rollerPFU LTD·Filed 2022·Granted Jun 3, 2025·2 cites·9 claims
- 2790US12129149B2Medium conveying apparatusPFU LTD·Filed 2021·Granted Oct 29, 2024·2 cites·6 claims
- 2890US11332332B2Medium conveying apparatus for detecting a folding of a mediumPFU LTD·Filed 2019·Granted May 17, 2022·3 cites·20 claims
- 2990US10703596B2Medium carrying devicePFU LTD·Filed 2018·Granted Jul 7, 2020·6 cites·7 claims
- 3090US7954803B2Image reading apparatusPFU LTD·Filed 2008·Granted Jun 7, 2011·17 cites·14 claims
- 3190US5453852APaper feed roller structure for image reading apparatusPFU LTD·Filed 1993·Granted Sep 26, 1995·39 cites·7 claims
- 3289US9848104B1Image-processing apparatus, method, and computer program product for correcting skew in scanned imagesPFU LTD·Filed 2016·Granted Dec 19, 2017·9 cites·18 claims
- 3389US9041985B2Image reading apparatusPFU LTD·Filed 2014·Granted May 26, 2015·12 cites·7 claims
- 3489US8840108B2Paper reading apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 23, 2014·7 cites·8 claims
- 3589US8833763B2Paper conveying apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 16, 2014·7 cites·7 claims
- 3689USD632295SScannerPFU LTD·Filed 2010·Granted Feb 8, 2011·42 cites·1 claims
- 3789US7872783B2Image reading apparatusPFU LTD·Filed 2008·Granted Jan 18, 2011·15 cites·6 claims
- 3889USD571370SScannerPFU LTD·Filed 2007·Granted Jun 17, 2008·40 cites·1 claims
- 3989USD563404SComputer terminalPFU LTD·Filed 2006·Granted Mar 4, 2008·40 cites·1 claims
- 4089USD518826SImage scanner for a computerPFU LTD·Filed 2004·Granted Apr 11, 2006·40 cites·1 claims
- 4189US6565079B1Document feeder, document feed method, and image capture devicePFU LTD·Filed 2000·Granted May 20, 2003·32 cites·16 claims
- 4289US6224051B1Paper feed method and apparatusPFU LTD·Filed 2000·Granted May 1, 2001·23 cites·5 claims
- 4389US4954969ASystem for processing various types of information in easily usable formPFU LTD·Filed 1987·Granted Sep 4, 1990·109 cites·32 claims
- 4488US11884506B2Medium conveying apparatus for correcting a skew of a medium using three sensorsPFU LTD·Filed 2021·Granted Jan 30, 2024·1 cites·15 claims
- 4588US11067935B2Medium conveying apparatus for correcting a skew of a mediumPFU LTD·Filed 2019·Granted Jul 20, 2021·3 cites·6 claims
- 4688US10597244B2Guiding tray for document conveying apparatusPFU LTD·Filed 2018·Granted Mar 24, 2020·5 cites·16 claims
- 4788USD563405SComputer terminalPFU LTD·Filed 2006·Granted Mar 4, 2008·38 cites·1 claims
- 4888US6707584B1Image scannerPFU LTD·Filed 2000·Granted Mar 16, 2004·51 cites·36 claims
- 4987US10981739B2Medium conveyance devicePFU LTD·Filed 2019·Granted Apr 20, 2021·3 cites·3 claims
- 5087US8864131B2Paper conveying apparatus with sound detector, and recovery methodPFU LTD·Filed 2013·Granted Oct 21, 2014·6 cites·11 claims
Showing the top 50 of 706 patent records by PatentIndex Score.
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →