Inventor
YOKOYAMA YUKIHISA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA YUKIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ITAMI YUKIO
3 patentsUS9019333B2Apr 28, 2015
Optical scanning apparatus and image forming apparatus utilizing a rotational polygon mirror
ITAMI YUKIO3 citations62
US9323171B2Apr 26, 2016
Optical scanning device including a rotating polygon mirror and image forming apparatus incorporating same
ITAMI YUKIO2 citations61
US9069174B2Jun 30, 2015
Optical scanning unit and image forming apparatus
ITAMI YUKIO1 citations51
RICOH CO LTD
3 patentsUS9851559B2Dec 26, 2017
Optical scanning unit and image forming apparatus
RICOH CO LTD0 citations51
US9304315B2Apr 5, 2016
Optical scanning unit and image forming apparatus
RICOH CO LTD0 citations51
US11422329B2Aug 23, 2022
Imaging optical system, imaging apparatus, stereo camera, distance measuring apparatus, and mobile object
RICOH CO LTD0 citations48