Inventor

QI YUEMIN

CN2 patents

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

CHINA UNIONPAY CO LTD

1 patent

US7617152B2Nov 10, 2009

Bankcard transaction exchange system

CHINA UNIONPAY CO LTD32 citations88

CHAI HONGFENG

1 patent

US8191058B2May 29, 2012

Computer processing system for realizing data upgrade and a data upgrading method

CHAI HONGFENG4 citations58