Li DUAN

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Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Server for issuing a digital certificate and device for verifying a...
- Patent number 12,225,000
- Issue date Feb 11, 2025
- Huawei Technologies Duesseldorf GMBH
- Lijun Liao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Secure Communications Method and Apparatus
- Publication number 20220311751
- Publication date Sep 29, 2022
- Huawei Technologies Co., Ltd
- Yong Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVER FOR ISSUING A DIGITAL CERTIFICATE AND DEVICE FOR VERIFYING A...
- Publication number 20220303265
- Publication date Sep 22, 2022
- Huawei Technologies Duesseldorf GmbH
- Lijun LIAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE