Guanzhi YUAN

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Chang'an Dongguan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dialing method and mobile terminal
- Patent number 11,290,591
- Issue date Mar 29, 2022
- VIVO MOBILE COMMUNICATION CO., LTD.
- Guanzhi Yuan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DIALING METHOD AND MOBILE TERMINAL
- Publication number 20210099566
- Publication date Apr 1, 2021
- VIVO MOBILE COMMUNICATION CO.,LTD.
- Guanzhi YUAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE