Yuanxi Zhu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for maintaining contact information
- Patent number 8,972,505
- Issue date Mar 3, 2015
- Sun Management, LLC
- Joe Zheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and system for maintaining contact information
- Publication number 20140156760
- Publication date Jun 5, 2014
- Mingoe Inc.
- Joe Zheng
- G06 - COMPUTING CALCULATING COUNTING