Jian Jin

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Shenzen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sensitivity calibration method and audio device
- Patent number 9,374,651
- Issue date Jun 21, 2016
- Huawei Technologies Co., Ltd.
- Jian Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Sensitivity Calibration Method and Audio Device
- Publication number 20140321655
- Publication date Oct 30, 2014
- Jian Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Commutator Motor
- Publication number 20130285503
- Publication date Oct 31, 2013
- JOHNSON ELECTRIC S.A.
- James Ching Sik LAU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER