Inventor
JIANG SHENGZHANG
CN8 patents
Patents
8 patentsUS10659220B2May 19, 2020
Method and system for encrypting and decrypting two-dimensional code mask
FUJIAN LANDI COMMERCIAL EQUIP2 citations70
US10108835B2Oct 23, 2018
Method and system for decoding two-dimensional code using weighted average gray-scale algorithm
FUJIAN LANDI COMMERCIAL EQUIP2 citations70
US10528781B2Jan 7, 2020
Detection method and system for characteristic patterns of Han Xin codes
FUJIAN LANDI COMMERCIAL EQUIP0 citations49
US10447309B2Oct 15, 2019
RS error correction decoding method
FUJIAN LANDI COMMERCIAL EQUIP0 citations39
US10438038B2Oct 8, 2019
Decoding method and system for QR code with one damaged position detection pattern
FUJIAN LANDI COMMERCIAL EQUIP0 citations39
US10354111B2Jul 16, 2019
Primary localization method and system for QR codes
FUJIAN LANDI COMMERCIAL EQUIP0 citations39
US10102408B2Oct 16, 2018
Quick response code feature detection method and system
FUJIAN LANDI COMMERCIAL EQUIP0 citations39
US10095903B2Oct 9, 2018
Block decoding method and system for two-dimensional code
FUJIAN LANDI COMMERCIAL EQUIP0 citations39