5 Patents
- US122709912025Optical Device, Line-of-sight Detection Device, Retinal Projection Display Device, Head-mounted Display, Optometric Device, User-condition Estimation Apparatus, Driver-assistance System, Method of Detecting Degree of Inclination of Three-dimensional Object, and Line-of-sight Detection Method
Ricoh Company, Ltd.
0 cites - US122417312025Displacement Measurement Device, Non-contact Input Apparatus, and Biological Micromotion Measurement Apparatus
Ricoh Company, Ltd.
0 cites - US121304412024Retinal Projection Display Device, Head-mounted Display Device, and Optometric Device
RICOH COMPANY, Ltd.
0 cites - US119141512024Optical Device, Method of Detecting Degree of Inclination of Three-dimensional Object, and Line-of-sight Detection Method
Ricoh Company, Ltd.
0 cites - US118030572023Optical Device, Retinal Projection Display, Head-mounted Display, and Optometric Apparatus
RICOH COMPANY, Ltd.
0 cites