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Patents Grantslast 30 patents

Information Patent Grant
Access method and system of internet of things equipment based on 5...
- Patent number 11,743,726
- Issue date Aug 29, 2023
- SHENZHEN GAS CORPORATION LTD.
- Chengming An
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
GAS METER READING SYSTEM BASED ON NATIONAL CRYPTOGRAPHIC ALGORITHM...
- Publication number 20220321544
- Publication date Oct 6, 2022
- SHENZHEN GAS CORPORATION LTD.
- Chengming AN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACCESS METHOD AND SYSTEM OF INTERNET OF THINGS EQUIPMENT BASED ON 5...
- Publication number 20220312208
- Publication date Sep 29, 2022
- SHENZHEN GAS CORPORATION LTD.
- Chengming AN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE