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Inventor
BIAN GUANGCHUN
JP
3 patents
Patents
3 patents
US10264966B2
Apr 23, 2019
Ophthalmic device
TOMEY CORP
3 citations
64
US11229359B2
Jan 25, 2022
Ophthalmological device
TOMEY CORP
0 citations
44
US11064880B2
Jul 20, 2021
Eye refractive power measuring device and method of measuring eye refractive power
TOMEY CORP
0 citations
36