Inventor · disambiguated record
Yasunobu Youda
Also filed as: YOUDA YASUNOBU
36 granted patents·6 pending applications·201 citations·filing 1995–2022
96Inventor score
Top patents by PatentIndex Score
42 records- 0190US6311973B1Paper stacker apparatus used with facsimile deviceRICOH KK·Filed 2000·Granted Nov 6, 2001·27 cites·9 claims
- 0287US10341516B2Rotation drive device, image reading device, and image forming apparatusIMAKI DAISUKE·Filed 2018·Granted Jul 2, 2019·6 cites·6 claims
- 0387US6349155B1Image reading apparatus and method for preventing electric noiseRICOH KK·Filed 2000·Granted Feb 19, 2002·34 cites·12 claims
- 0482US7505714B2Image forming deviceRICOH KK·Filed 2005·Granted Mar 17, 2009·8 cites·10 claims
- 0578US9819838B2Automatic document feeding device and image forming apparatus incorporating sameHATAYAMA KOJI·Filed 2016·Granted Nov 14, 2017·3 cites·13 claims
- 0678US8994963B2Sheet conveyance unit, image reading device, and image forming apparatusOSANAI YOHEI·Filed 2013·Granted Mar 31, 2015·4 cites·8 claims
- 0776US8861048B2Image scanner and image forming apparatus incorporating sameNARAI SATOSHI·Filed 2013·Granted Oct 14, 2014·3 cites·20 claims
- 0876US8600288B2Image forming apparatusSHIRAKI TAKAMASA·Filed 2008·Granted Dec 3, 2013·5 cites·15 claims
- 0974US10491768B2Image reading device configured to selectively stop a sheet based on image reading readiness and image forming apparatus incorporating sameANDOH TAKAYUKI·Filed 2018·Granted Nov 26, 2019·1 cites·14 claims
- 1073US6182964B1Paper stacker apparatus used with facsimile deviceRICOH KK·Filed 1998·Granted Feb 6, 2001·18 cites·16 claims
- 1172US8416471B2Document illuminating system and image reader including the sameTAKAURA ATSUSHI·Filed 2010·Granted Apr 9, 2013·2 cites·8 claims
- 1272US8339682B2Lighting device for use in an optical scanning unit, of an image readerKAWAMURA KAZUSHIGE·Filed 2009·Granted Dec 25, 2012·3 cites·20 claims
- 1368US8253987B2Image reader and image forming apparatus including the image readerFUJIOKA TETSUYA·Filed 2009·Granted Aug 28, 2012·2 cites·13 claims
- 1467US9800748B2Automatic document feeder, image reading device incorporating the automatic document feeder, and image forming apparatus incorporating the image reading deviceHORIKAWA TOSHIYUKI·Filed 2016·Granted Oct 24, 2017·2 cites·10 claims
- 1566US9686422B2Image scanner having a reader and image forming apparatus incorporating sameNARAI SATOSHI·Filed 2014·Granted Jun 20, 2017·1 cites·21 claims
- 1666US7712892B2Image forming apparatusRICOH KK·Filed 2005·Granted May 11, 2010·2 cites·7 claims
- 1765US10044898B2Image reading device and image forming apparatus incorporating the image reading deviceOSANAI YOHEI·Filed 2017·Granted Aug 7, 2018·1 cites·13 claims
- 1865US9609159B2Sheet conveyance deviceHATAYAMA KOJI·Filed 2015·Granted Mar 28, 2017·1 cites·17 claims
- 1965US6178274B1Image reading apparatus and method for preventing electric noiseRICOH KK·Filed 1997·Granted Jan 23, 2001·28 cites·18 claims
- 2065US6147781AFacsimile apparatus capable of removing a stack of recording sheets that have been ejectedRICOH KK·Filed 1998·Granted Nov 14, 2000·16 cites·34 claims
- 2164US8800990B2Automatic document feeder and image forming apparatus including the sameHATAYAMA KOJI·Filed 2011·Granted Aug 12, 2014·2 cites·11 claims
- 2262US9571690B2Image scanner and image forming apparatus incorporating the image scannerOSANAI YOHEI·Filed 2016·Granted Feb 14, 2017·1 cites·18 claims
- 2357US5764371AImage forming apparatus for indicating completion of scanning for both sides of an orginal documentRICOH KK·Filed 1995·Granted Jun 9, 1998·17 cites·52 claims
- 2456US8610968B2Document illuminating system and image reader including the sameTAKAURA ATSUSHI·Filed 2013·Granted Dec 17, 2013·0 cites·8 claims
- 2555US10412246B2Image reading unitKAWAI TAKUJI·Filed 2018·Granted Sep 10, 2019·0 cites·9 claims
- 2653US6067170AImage forming apparatus for indicating completion of scanning for both sides of an original documentRICOH KK·Filed 1998·Granted May 23, 2000·14 cites·15 claims
- 2752US9113003B2Sheet loading device, image reading device, and image forming apparatusHATAYAMA KOJI·Filed 2014·Granted Aug 18, 2015·0 cites·7 claims
- 2849US10027831B2Image reading unitKAWAI TAKUJI·Filed 2016·Granted Jul 17, 2018·0 cites·10 claims
- 2946US10507995B2Sheet conveying device, image reading device, and image forming apparatusHIRATA MUNEKAZU·Filed 2018·Granted Dec 17, 2019·0 cites·20 claims
- 3045US2007030532A1Apparatus for image forming of contributing to an effective utilization of a space thereinRICOH KK·Filed 2006·Application pending·0 cites
- 3144US2010149299A1Image forming apparatusNISHIDA HAJIME·Filed 2010·Application pending·0 cites
- 3243US2019283989A1Medium conveying device and image forming apparatus incorporating the medium conveying deviceTADA KAORU·Filed 2019·Application pending·0 cites
- 3342US10118781B2Sheet conveying device, image reading device, and image forming apparatusANDOH TAKAYUKI·Filed 2017·Granted Nov 6, 2018·0 cites·6 claims
- 3442US10070010B2Shade correcting image reading by biasing force of a color reference body in the document width directionHATAYAMA KOJI·Filed 2016·Granted Sep 4, 2018·0 cites·8 claims
- 3542US8204431B2Compact image forming apparatus with post-processingSHIRAKI TAKAMASA·Filed 2008·Granted Jun 19, 2012·0 cites·2 claims
- 3641US9988223B2Automatic document feeding deviceHIRATA MUNEKAZU·Filed 2016·Granted Jun 5, 2018·0 cites·7 claims
- 3740US10200564B2Image reading device, method and non-transitory computer-readable medium for detecting moving image reader positions to correct skewFUJII YUKI·Filed 2017·Granted Feb 5, 2019·0 cites·12 claims
- 3835US2019052767A1Reading device and image forming apparatus incorporating sameNAGANO TATSUAKI·Filed 2018·Application pending·0 cites
- 3933US11889039B2Image reading apparatus and image forming apparatus including a being-conveyed document reading mode and a placed-document reading modeKAWAMOTO KOTA·Filed 2022·Granted Jan 30, 2024·0 cites·11 claims
- 4033US10108128B2Automatic document feeder, image reading device incorporating the automatic document feeder, and image forming apparatus incorporating the image reading device with the automatic document feederNAGANO TATSUAKI·Filed 2017·Granted Oct 23, 2018·0 cites·19 claims
- 4132US2015341515A1Image scanner and image forming apparatusYOUDA YASUNOBU·Filed 2015·Application pending·0 cites
- 4230US2017134598A1Image forming apparatus incorporating automatic coupling deviceNAGANO TATSUAKI·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yasunobu Youda files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →