Assignee
NAKAZAWA MASAMOTO
JP·20 granted patents·60 citations·filing 2008–2020
Top patents by PatentIndex Score
20 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
- 0288US9491327B2Photoelectric conversion element, image reading device, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2015·Granted Nov 8, 2016·5 cites·10 claims
- 0388US9100533B2Photoelectric conversion element, image reading device, image forming apparatus, and image reading methodNAKAZAWA MASAMOTO·Filed 2014·Granted Aug 4, 2015·7 cites·9 claims
- 0487US8908245B2Image scanning device and image forming apparatusNAKAZAWA MASAMOTO·Filed 2013·Granted Dec 9, 2014·7 cites·12 claims
- 0583US10609244B2Photoelectric conversion element and image processing apparatusNAKAZAWA MASAMOTO·Filed 2019·Granted Mar 31, 2020·3 cites·17 claims
- 0683US8749276B2Signal buffer circuit, sensor control board, image scanner, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2011·Granted Jun 10, 2014·5 cites·21 claims
- 0782US9894236B2Photoelectric transducer, image reading device, image forming apparatus, and image reading methodNAKAZAWA MASAMOTO·Filed 2016·Granted Feb 13, 2018·3 cites·14 claims
- 0882US9179083B2Photoelectric 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
- 0982US8248669B2Image reading device and image forming apparatusNAKAZAWA MASAMOTO·Filed 2009·Granted Aug 21, 2012·6 cites·9 claims
- 1080US10834272B2Reading device, image forming apparatus including same, and reading methodNAKAZAWA MASAMOTO·Filed 2019·Granted Nov 10, 2020·2 cites·30 claims
- 1178US8786916B2Method and device for driving light source, image reader, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2012·Granted Jul 22, 2014·3 cites·20 claims
- 1277US8416461B2Spread 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
- 1372US9001346B2Signal processing circuit, image scanner, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2012·Granted Apr 7, 2015·2 cites·14 claims
- 1471US10735625B2Information 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
- 1568US11722622B2Photoelectric conversion element, reading device, and image processing apparatusNAKAZAWA MASAMOTO·Filed 2020·Granted Aug 8, 2023·0 cites·15 claims
- 1667US9762826B2Photoelectric conversion element, image reading device, image forming apparatus, and photoelectric conversion methodNAKAZAWA MASAMOTO·Filed 2015·Granted Sep 12, 2017·1 cites·10 claims
- 1757US8472091B2Image scanner, image forming apparatus, and sample hold control methodNAKAZAWA MASAMOTO·Filed 2009·Granted Jun 25, 2013·0 cites·10 claims
- 1849US11170243B2Image processing device, image forming apparatus, and image processing methodNAKAZAWA MASAMOTO·Filed 2020·Granted Nov 9, 2021·0 cites·20 claims
- 1945US8526078B2Sensor driving circuit, driver device, image reading apparatus, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2010·Granted Sep 3, 2013·0 cites·10 claims
- 2038US8526066B2Analog processing circuit, analog integrated circuit device, image reading device, and image forming apparatusNAKAZAWA MASAMOTO·Filed 2008·Granted Sep 3, 2013·0 cites·6 claims
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