Congwu Li

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and method for providing cryptographic operation service in...
- Patent number 10,262,130
- Issue date Apr 16, 2019
- DATA ASSURANCE & COMMUNICATION SECURITY CENTER, CHINESE ACADEMY OF SCIENCES
- Jingqiang Lin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for checking revocation status of digital certifi...
- Patent number 10,135,623
- Issue date Nov 20, 2018
- Institute of Information Engineering, Data Assurance & Communication Security...
- Jingqiang Lin
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
System and method for providing cryptographic operation service in...
- Publication number 20180232519
- Publication date Aug 16, 2018
- Institute of Information Engineering, Chinese Academy of Sciences
- Jingqiang Lin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for checking revocation status of digital certifi...
- Publication number 20180102904
- Publication date Apr 12, 2018
- Institute of Information Engineering, Chinese Academy of Sciences
- Jingqiang Lin
- G06 - COMPUTING CALCULATING COUNTING