Inventor · disambiguated record
Yukihisa Yokoyama
Also filed as: YOKOYAMA YUKIHISA
8 granted patents·2 pending applications·8 citations·filing 2013–2021
77Inventor score
Top patents by PatentIndex Score
10 records- 0173US9019333B2Optical scanning apparatus and image forming apparatus utilizing a rotational polygon mirrorITAMI YUKIO·Filed 2014·Granted Apr 28, 2015·3 cites·11 claims
- 0268US9069174B2Optical scanning unit and image forming apparatusITAMI YUKIO·Filed 2013·Granted Jun 30, 2015·1 cites·10 claims
- 0367US9323171B2Optical scanning device including a rotating polygon mirror and image forming apparatus incorporating sameITAMI YUKIO·Filed 2014·Granted Apr 26, 2016·2 cites·7 claims
- 0461US9851559B2Optical scanning unit and image forming apparatusRICOH CO LTD·Filed 2016·Granted Dec 26, 2017·0 cites·8 claims
- 0561US9279979B2Optical scanning device and image forming apparatusYOKOYAMA YUKIHISA·Filed 2015·Granted Mar 8, 2016·2 cites·8 claims
- 0652US9304315B2Optical scanning unit and image forming apparatusRICOH CO LTD·Filed 2015·Granted Apr 5, 2016·0 cites·16 claims
- 0749US11422329B2Imaging optical system, imaging apparatus, stereo camera, distance measuring apparatus, and mobile objectRICOH CO LTD·Filed 2020·Granted Aug 23, 2022·0 cites·16 claims
- 0838US2021271054A1Imaging optical system, camera apparatus, and stereo camera apparatusYOKOYAMA YUKIHISA·Filed 2021·Application pending·0 cites
- 0934US10012830B2Optical scanning device and image forming apparatusMIYATAKE NAOKI·Filed 2015·Granted Jul 3, 2018·0 cites·8 claims
- 1034US2022236520A1Image-capturing optical system, camera incorporating the same, and stereo camera incorporating the sameYOKOYAMA YUKIHISA·Filed 2021·Application pending·0 cites
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