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Yuemin Qi
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Shanghai, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Computer processing system for realizing data upgrade and a data up...
Patent number
8,191,058
Issue date
May 29, 2012
China Unionpay
Hongfeng Chai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Bankcard transaction exchange system
Patent number
7,617,152
Issue date
Nov 10, 2009
China Unionpay Co., Ltd.
Hongfeng Chai
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
TRANSACTION PROCESSING METHOD, APPARATUS, DEVICE, MEDIUM AND SYSTEM
Publication number
20210312465
Publication date
Oct 7, 2021
China Unionpay Co., Ltd
Xiaonan HOU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer processing system for realizing data upgrade and a data up...
Publication number
20090234906
Publication date
Sep 17, 2009
Hongfeng Chai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Novel Bankcard Transaction Exchange System
Publication number
20080098393
Publication date
Apr 24, 2008
Hongfeng Chai
G06 - COMPUTING CALCULATING COUNTING