Assignee
NAGANO AKIHIKO
JP·6 granted patents·1 pending application·199 citations·filing 1991–2012
Top patents by PatentIndex Score
7 records- 0195US5148302AOptical modulation element having two-dimensional phase type diffraction gratingNAGANO AKIHIKO·Filed 1991·Granted Sep 15, 1992·170 cites·29 claims
- 0292US8698927B2Image-pickup element, and image-pickup apparatus and camera system capable of detecting a focus stateNAGANO AKIHIKO·Filed 2012·Granted Apr 15, 2014·10 cites·7 claims
- 0383US8913175B2Solid-state image sensing element and image sensing apparatus for detecting a focus state of a photographing lensNAGANO AKIHIKO·Filed 2009·Granted Dec 16, 2014·8 cites·7 claims
- 0480US8970773B2Image capture apparatus with first and second pixel groupsNAGANO AKIHIKO·Filed 2011·Granted Mar 3, 2015·4 cites·6 claims
- 0578US9456118B2Image capturing apparatus, image processing apparatus, and image processing method for generating auxiliary information for captured imageNAGANO AKIHIKO·Filed 2012·Granted Sep 27, 2016·4 cites·36 claims
- 0675US8842212B2Optical device and focus state detection methodNAGANO AKIHIKO·Filed 2010·Granted Sep 23, 2014·3 cites·4 claims
- 0743US2012133813A1Image pickup apparatusNAGANO AKIHIKO·Filed 2011·Application pending·0 cites
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