Inventor

CHENG ZHIQIANG

CN3 patents

⚠️ This page may combine multiple inventors who share the name “CHENG ZHIQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHIPONE TECHNOLOGY BEIJING CO LTD

2 patents

US10952300B2Mar 16, 2021

LED driver and controller thereof, and LED lighting device

CHIPONE TECHNOLOGY BEIJING CO LTD2 citations61

US11196386B2Dec 7, 2021

Operation amplification circuit and over-current protection method therefor

CHIPONE TECHNOLOGY BEIJING CO LTD0 citations50

CHINA UNIONPAY CO LTD

1 patent

US11443293B2Sep 13, 2022

Secure network accessing method for POS terminal, and system thereof

CHINA UNIONPAY CO LTD2 citations69