LIAN LIU

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Shenzhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Noise elimination circuit
- Patent number 9,824,697
- Issue date Nov 21, 2017
- NANNING FUGUI PRECISION INDUSTRIAL CO., LTD.
- Lian Liu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic device and copyright protection method of audio file the...
- Patent number 8,584,252
- Issue date Nov 12, 2013
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
- Qiang Tao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
NOISE ELIMINATION CIRCUIT
- Publication number 20170025133
- Publication date Jan 26, 2017
- NANNING FUGUI PRECISION INDUSTRIAL CO., LTD.
- LIAN LIU
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ELECTRONIC DEVICE AND CALCULATION CONTROL METHOD THEREOF
- Publication number 20140007002
- Publication date Jan 2, 2014
- LING CHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC DEVICE AND COPYRIGHT PROTECTION METHOD OF AUDIO FILE THE...
- Publication number 20120272324
- Publication date Oct 25, 2012
- HON HAI Precision Industry CO., LTD.
- QIANG TAO
- G06 - COMPUTING CALCULATING COUNTING