Zhijian He

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Dongguan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatic loudspeaker and electrostatic headphone
- Patent number 10,250,966
- Issue date Apr 2, 2019
- TRANSOUND ELECTRONICS CO., LTD.
- Huming Zheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High sound quality piezoelectric speaker
- Patent number 9,860,647
- Issue date Jan 2, 2018
- TRANSOUND ELECTRONICS CO., LTD.
- Tseng-Feng Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving iron sounding device
- Patent number 9,510,102
- Issue date Nov 29, 2016
- TRANSOUND ELECTRONICS CO., LTD.
- Huming Zheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTROSTATIC LOUDSPEAKER AND ELECTROSTATIC HEADPHONE
- Publication number 20180184193
- Publication date Jun 28, 2018
- Transound Electronics Co., Ltd.
- Huming Zheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH SOUND QUALITY PIEZOELECTRIC SPEAKER
- Publication number 20170026758
- Publication date Jan 26, 2017
- TRANSOUND ELECTRONICS CO., LTD
- TSENG-FENG WEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOVING IRON SOUNDING DEVICE
- Publication number 20160165352
- Publication date Jun 9, 2016
- TRANSOUND ELECTRONICS CO., LTD
- Huming Zheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE