Inventor
CHEN CHENGQIAN
CN12 patents
Patents
12 patentsUS9459937B2Oct 4, 2016
Method for using shared device in apparatus capable of operating two operating systems
CHINA UNIONPAY CO LTD6 citations72
US11544378B2Jan 3, 2023
Tee access control method and mobile terminal implementing same
CHINA UNIONPAY CO LTD0 citations51
US11449616B2Sep 20, 2022
Application management method for terminal, application server, and terminal
CHINA UNIONPAY CO LTD0 citations51
US9712518B2Jul 18, 2017
Apparatus used for security information interaction
CHINA UNIONPAY CO LTD0 citations49
US12093360B2Sep 17, 2024
Verification method and verification system based on biometric feature ID chain, and user terminal
CHINA UNIONPAY CO LTD0 citations48
US12541597B2Feb 3, 2026
Electronic device
CHINA UNIONPAY CO LTD0 citations46
US12242596B2Mar 4, 2025
Electronic device, trusted application calling method and apparatus, device, and medium
CHINA UNIONPAY CO LTD0 citations46
US12314382B2May 27, 2025
Model protection method and apparatus, data processing method and apparatus, and device and medium
CHINA UNIONPAY CO LTD0 citations41
US10708744B2Jul 7, 2020
NFC-based communication method and apparatus
CHINA UNIONPAY CO LTD0 citations41
US10623530B2Apr 14, 2020
Device for supporting communication between multiple types of safety carriers and communication method therefor
CHINA UNIONPAY CO LTD0 citations41
US10148765B2Dec 4, 2018
Security information interaction system, device and method
CHINA UNIONPAY CO LTD0 citations41
US10461957B2Oct 29, 2019
System and method for supporting both bulk storage and Ethernet communications
CHINA UNIONPAY CO LTD0 citations40