Inventor
Zhu Zhehai
CN4 patents
Patents
4 patentsUS11809931B2Nov 7, 2023
QR code extension method
UNI2K INFORMATION TECH CO LTD0 citations42
US11468254B2Oct 11, 2022
Quick positioning method for forming two-dimensional code positioning point dot matrix, and quick positioning method for capturing two-dimensional code positioning point dot matrix
UNI2K INFORMATION TECH CO LTD0 citations42
US11386315B2Jul 12, 2022
2D barcode enabling quick and accurate code recognition and method for creating same
UNI2K INFORMATION TECH CO LTD0 citations42
US11979505B2May 7, 2024
File acquisition method and device based on two-dimensional code and two-dimensional code generating method
UNI2K INFORMATION TECH CO LTD0 citations39