Inventor · disambiguated record
Yoshihiko Tsumekawa
Also filed as: TSUMEKAWA YOSHIHIKO
10 granted patents·1 pending application·20 citations·filing 2012–2017
81Inventor score
Top patents by PatentIndex Score
11 records- 0184US8767274B2Image sensor unit, image reader, and image forming apparatusTSUMEKAWA YOSHIHIKO·Filed 2012·Granted Jul 1, 2014·11 cites·7 claims
- 0283US9158062B2Illumination apparatus, image sensor unit, and image reading apparatusCANON COMPONENTS KK·Filed 2014·Granted Oct 13, 2015·6 cites·9 claims
- 0369US8885231B2Illumination apparatus, image sensor unit, image reading apparatus, and image forming apparatusCANON COMPONENTS KK·Filed 2013·Granted Nov 11, 2014·2 cites·19 claims
- 0465US9478090B2Image sensor unit, image reading apparatus, and paper sheet distinguishing apparatusCANON COMPONENTS KK·Filed 2014·Granted Oct 25, 2016·1 cites·13 claims
- 0552US10323825B2Light guide, illumination device, sensor unit, reading apparatus, image forming apparatus, and paper sheet distinguishing apparatusCANON COMPONENTS KK·Filed 2017·Granted Jun 18, 2019·0 cites·21 claims
- 0651US9638855B2Illumination apparatus and image sensor unit including diffusing patterns with differing intervalsCANON COMPONENTS KK·Filed 2014·Granted May 2, 2017·0 cites·7 claims
- 0746US9838559B2Illumination apparatus, image sensor unit and image reading apparatusCANON COMPONENTS KK·Filed 2016·Granted Dec 5, 2017·0 cites·16 claims
- 0842US10136019B2Illumination apparatus, sensor unit, and reading apparatusCANON COMPONENTS KK·Filed 2017·Granted Nov 20, 2018·0 cites·8 claims
- 0940US10091382B2Illumination apparatus and sensor unitCANON COMPONENTS KK·Filed 2017·Granted Oct 2, 2018·0 cites·14 claims
- 1040US2018131832A1Image sensor unit, paper sheet distinguishing apparatus, image reading apparatus, and image forming apparatusCANON COMPONENTS KK·Filed 2017·Application pending·0 cites
- 1134US9516186B2Image sensor unit, paper sheet distinguishing apparatus, image reading apparatus, and image forming apparatusCANON COMPONENTS KK·Filed 2015·Granted Dec 6, 2016·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →