Inventor
Ma fang-li
CN5 patents
Patents
5 patentsUS11536932B2Dec 27, 2022
Optical lens assembly
SINTAI OPTICAL SHENZHEN CO LTD0 citations60
US12152908B2Nov 26, 2024
Range finder and lens assembly for display thereof
SINTAI OPTICAL SHENZHEN CO LTD0 citations56
US11604064B2Mar 14, 2023
Range finder and lens assembly for display thereof
SINTAI OPTICAL SHENZHEN CO LTD1 citations56
US12228714B2Feb 18, 2025
Optical system
SINTAI OPTICAL SHENZHEN CO LTD0 citations47
US10520792B2Dec 31, 2019
Range finder
SINTAI OPTICAL SHENZHEN CO LTD0 citations38