Chaofeng Zhang

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pressing machine and corresponding side plate unit structure
- Patent number 11,007,739
- Issue date May 18, 2021
- SUZHOU JIANGNAN AEROSPACE MECHANICAL & ELECTRICAL INDUSTRY CO., LTD.
- Biao He
- B30 - PRESSES
Information Patent Grant
Access management method, device and system
- Patent number 9,710,513
- Issue date Jul 18, 2017
- ZTE Corporation
- Chaofeng Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
RACF system and equipment having dynamic discovering function in ne...
- Patent number 8,359,388
- Issue date Jan 22, 2013
- ZTE Corporation
- Ying Cui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MESSAGE FORWARDING METHOD AND APPARATUS, AND STORAGE MEDIUM AND ELE...
- Publication number 20240275721
- Publication date Aug 15, 2024
- ZTE Corporation
- Haisheng WU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRESSING MACHINE AND CORRESPONDING SIDE PLATE UNIT STRUCTURE
- Publication number 20200316893
- Publication date Oct 8, 2020
- Biao HE
- B30 - PRESSES
Information Patent Application
Access Management Method, Device and System
- Publication number 20140207809
- Publication date Jul 24, 2014
- ZTE Corporation
- Chaofeng Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RACF SYSTEM AND EQUIPMENT HAVING DYNAMIC DISCOVERING FUNCTION IN NGN
- Publication number 20110099275
- Publication date Apr 28, 2011
- ZTE Corporation
- Ying Cui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE