Inventor · disambiguated record
Masamoto Nakazawa
Also filed as: NAKAZAWA MASAMOTO
74 granted patents·3 pending applications·130 citations·filing 2007–2023
98Inventor score
Top patents by PatentIndex Score
77 records- 0194US10924621B2Reading device to read and output an invisible image included in a documentNAKAZAWA MASAMOTO·Filed 2019·Granted Feb 16, 2021·6 cites·39 claims
- 0291US11190666B2Image processing device, image forming apparatus, image processing method, and non-transitory computer-readable storage mediumOHMIYA YUTAKA·Filed 2020·Granted Nov 30, 2021·4 cites·16 claims
- 0389US9774807B2Imaging sensor, image reading device, image forming apparatus, and alignment method of imaging sensorRICOH CO LTD·Filed 2016·Granted Sep 26, 2017·6 cites·18 claims
- 0488US9491327B2Photoelectric conversion element, image reading device, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2015·Granted Nov 8, 2016·5 cites·10 claims
- 0588US9100533B2Photoelectric conversion element, image reading device, image forming apparatus, and image reading methodNAKAZAWA MASAMOTO·Filed 2014·Granted Aug 4, 2015·7 cites·9 claims
- 0687US10277846B2Photoelectric conversion element, image reading device, image forming apparatus, and signal control methodASABA NAOKI·Filed 2015·Granted Apr 30, 2019·6 cites·12 claims
- 0787US9429470B2Opto-electronic converter, image reading device, and image forming apparatusHASHIMOTO HIDEKI·Filed 2015·Granted Aug 30, 2016·5 cites·9 claims
- 0887US8908245B2Image scanning device and image forming apparatusNAKAZAWA MASAMOTO·Filed 2013·Granted Dec 9, 2014·7 cites·12 claims
- 0985US11695892B2Reading device and method of detecting feature amount from visible or invisible imageNAKAMURA SHOGO·Filed 2021·Granted Jul 4, 2023·2 cites·19 claims
- 1083US10609244B2Photoelectric conversion element and image processing apparatusNAKAZAWA MASAMOTO·Filed 2019·Granted Mar 31, 2020·3 cites·17 claims
- 1183US9756219B2Image sensing device, image reading device, image forming apparatus and image sensing methodRICOH CO LTD·Filed 2014·Granted Sep 5, 2017·4 cites·15 claims
- 1283US8749276B2Signal buffer circuit, sensor control board, image scanner, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2011·Granted Jun 10, 2014·5 cites·21 claims
- 1382US11936829B2Illuminating device, image reading device, and image forming apparatus with multiple light sourcesSUGAI ATSUSHI·Filed 2021·Granted Mar 19, 2024·2 cites·14 claims
- 1482US9894236B2Photoelectric transducer, image reading device, image forming apparatus, and image reading methodNAKAZAWA MASAMOTO·Filed 2016·Granted Feb 13, 2018·3 cites·14 claims
- 1582US9628654B2Processing device, image reading device, image forming apparatus, and processing methodKONNO YOSHIO·Filed 2015·Granted Apr 18, 2017·4 cites·16 claims
- 1682US9179083B2Photoelectric conversion element, image reading device, image forming apparatus, image reading method, and image forming methodNAKAZAWA MASAMOTO·Filed 2014·Granted Nov 3, 2015·4 cites·16 claims
- 1782US8248669B2Image reading device and image forming apparatusNAKAZAWA MASAMOTO·Filed 2009·Granted Aug 21, 2012·6 cites·9 claims
- 1881US10298866B2Photoelectric conversion element, image reading device, image forming apparatus, image reading method, and computer-readable recording mediumHASHIMOTO HIDEKI·Filed 2016·Granted May 21, 2019·3 cites·10 claims
- 1981US9661177B2Photoelectric conversion element, image reading device, image forming apparatus, and photoelectric conversion methodHASHIMOTO HIDEKI·Filed 2015·Granted May 23, 2017·3 cites·13 claims
- 2080US10834272B2Reading device, image forming apparatus including same, and reading methodNAKAZAWA MASAMOTO·Filed 2019·Granted Nov 10, 2020·2 cites·30 claims
- 2179US11012585B2Image processing apparatus, image processing system, image processing method, and non-transitory computer-readable storage mediumHASHIMOTO AYUMU·Filed 2019·Granted May 18, 2021·2 cites·19 claims
- 2278US12081714B2Photoelectric conversion element, reading device, and image processing apparatusRICOH CO LTD·Filed 2023·Granted Sep 3, 2024·0 cites·18 claims
- 2378US11457116B2Image processing apparatus and image reading methodOYAMA TADAAKI·Filed 2021·Granted Sep 27, 2022·1 cites·20 claims
- 2478US10827101B2Color inspection device to correct color readings of a color detection object using correction coefficientsHASHIMOTO HIDEKI·Filed 2019·Granted Nov 3, 2020·2 cites·18 claims
- 2578US10721373B2Image sensing device, image reading device, image forming apparatus and image sensing methodKONNO YOSHIO·Filed 2017·Granted Jul 21, 2020·2 cites·16 claims
- 2678US8786916B2Method and device for driving light source, image reader, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2012·Granted Jul 22, 2014·3 cites·20 claims
- 2777US8416461B2Spread spectrum clock generator, spread spectrum clock generating method, and circuit, image reading device and image forming apparatus using the spread spectrum clock generatorNAKAZAWA MASAMOTO·Filed 2010·Granted Apr 9, 2013·5 cites·9 claims
- 2876US11317000B2Image processing apparatus having invisible component remover, image processing method, and recording mediumHASHIMOTO AYUMU·Filed 2020·Granted Apr 26, 2022·1 cites·17 claims
- 2976US10542184B2Photoelectric conversion device, defective pixel determining method, image forming apparatus, and recording mediumYOKOYAMA TAKUHEI·Filed 2018·Granted Jan 21, 2020·2 cites·17 claims
- 3075US9392142B2Imaging sensor, image reading device, image forming apparatus, and alignment method of imaging sensorASABA NAOKI·Filed 2015·Granted Jul 12, 2016·2 cites·19 claims
- 3175US7821682B2Buffer circuit, image reading apparatus, and image forming apparatusRICOH KK·Filed 2007·Granted Oct 26, 2010·4 cites·18 claims
- 3274US10757280B2Image reader, image forming apparatus, and image density correcting methodINAGE OSAMU·Filed 2019·Granted Aug 25, 2020·2 cites·10 claims
- 3374US10554849B2Photoelectric conversion device, image reading apparatus, image forming apparatus, and method of photoelectric conversionHASHIMOTO HIDEKI·Filed 2019·Granted Feb 4, 2020·1 cites·6 claims
- 3474US10182177B2Signal processing device, image scanning device, image forming apparatus, and method of controlling the sameSASA TOMOHIRO·Filed 2017·Granted Jan 15, 2019·2 cites·12 claims
- 3573US11019293B2Photoelectric conversion element, image reading device, image forming apparatus, and signal control methodRICOH CO LTD·Filed 2019·Granted May 25, 2021·1 cites·13 claims
- 3672US10204954B2Photoelectric conversion element, image reading device, and image forming apparatusRICOH CO LTD·Filed 2018·Granted Feb 12, 2019·1 cites·9 claims
- 3772US9001346B2Signal processing circuit, image scanner, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2012·Granted Apr 7, 2015·2 cites·14 claims
- 3871US10735625B2Information detecting device to perform a color conversion operation on image read by a reading sensorNAKAZAWA MASAMOTO·Filed 2019·Granted Aug 4, 2020·1 cites·14 claims
- 3970US10356272B2Photoelectric conversion device, image reading apparatus, image forming apparatus, and method of photoelectric conversionHASHIMOTO HIDEKI·Filed 2016·Granted Jul 16, 2019·1 cites·5 claims
- 4068US11722622B2Photoelectric conversion element, reading device, and image processing apparatusNAKAZAWA MASAMOTO·Filed 2020·Granted Aug 8, 2023·0 cites·15 claims
- 4168US10771646B2Reading device, image forming apparatus, reference pattern reading method, and storage medium storing program codeISHII TATSUYA·Filed 2018·Granted Sep 8, 2020·1 cites·19 claims
- 4267US9762826B2Photoelectric conversion element, image reading device, image forming apparatus, and photoelectric conversion methodNAKAZAWA MASAMOTO·Filed 2015·Granted Sep 12, 2017·1 cites·10 claims
- 4367US9025216B2Image reading apparatus, image forming apparatus, and image reading methodHASHIMOTO HIDEKI·Filed 2013·Granted May 5, 2015·1 cites·12 claims
- 4467US8797606B2Photoelectric conversion device, sensor control circuit, image reading device, and image forming apparatusHASHIMOTO HIDEKI·Filed 2010·Granted Aug 5, 2014·1 cites·10 claims
- 4566US8610045B2Analog signal buffer and image reading device using the analog signal bufferKONNO YOSHIO·Filed 2011·Granted Dec 17, 2013·1 cites·8 claims
- 4663US10616429B2Position detecting device, image forming apparatus, and position detecting methodIKEMOTO RYOHMA·Filed 2019·Granted Apr 7, 2020·1 cites·14 claims
- 4759US10397445B2Signal processing device, photoelectric conversion element, image scanning device, image forming apparatus, and method of processing signalRICOH CO LTD·Filed 2017·Granted Aug 27, 2019·1 cites·10 claims
- 4859US9118873B2Imaging device, image reading apparatus, image forming apparatus, and image reading methodMARUMOTO KOHEI·Filed 2014·Granted Aug 25, 2015·1 cites·12 claims
- 4957US8472091B2Image scanner, image forming apparatus, and sample hold control methodNAKAZAWA MASAMOTO·Filed 2009·Granted Jun 25, 2013·0 cites·10 claims
- 5055US11792539B2Solid-state imaging element, reading device, image processing apparatus, and control methodSAKAGUCHI SHINJI·Filed 2021·Granted Oct 17, 2023·0 cites·19 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →