Siqin Feng

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Hui Zhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
External speaker assembly and audio apparatus
- Patent number 10,674,249
- Issue date Jun 2, 2020
- JRD COMMUNICATION (SHENZHEN) LTD
- Zhihua Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile terminal sending out sound via multifunctional battery cover...
- Patent number 10,514,726
- Issue date Dec 24, 2019
- JRD Communication Inc.
- Siqin Feng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for improving echo in hands-free call of mobile t...
- Patent number 10,277,750
- Issue date Apr 30, 2019
- HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.
- Wenfei Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
EXTERNAL SPEAKER ASSEMBLY AND AUDIO APPARATUS
- Publication number 20200092635
- Publication date Mar 19, 2020
- JRD COMMUNICATION (SHENZHEN) LTD
- Zhihua Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE TERMINAL SENDING OUT SOUND VIA MULTIFUNCTIONAL BATTERY COVER...
- Publication number 20190258293
- Publication date Aug 22, 2019
- JRD COMMUNICATION INC.
- Siqin FENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and System for Improving Echo in Hands-Free Call Of Mobile T...
- Publication number 20180146098
- Publication date May 24, 2018
- HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.
- Wenfei Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE