Jing Zhang

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Zhuhai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for operating key and lock core with wireless cha...
- Patent number 11,686,124
- Issue date Jun 27, 2023
- Zhuhai Unitech Power Technology Co., Ltd.
- Qing Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system for controlling a smart lock
- Patent number 11,189,117
- Issue date Nov 30, 2021
- Zhuhai Unitech Power Technology Co., Ltd.
- Qing Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CONTROLLING A SMART LOCK
- Publication number 20220084337
- Publication date Mar 17, 2022
- Zhuhai Unitech Power Technology Co., Ltd.
- Qing Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR OPERATING KEY AND LOCK CORE WITH WIRELESS CHA...
- Publication number 20200240174
- Publication date Jul 30, 2020
- Zhuhai Unitech Power Technology Co., Ltd.
- Qing Chang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
METHOD AND SYSTEM FOR CONTROLLING A SMART LOCK
- Publication number 20200242863
- Publication date Jul 30, 2020
- Zhuhai Unitech Power Technology Co., Ltd.
- Qing Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE