HSIN HAO WEN

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TAOYUAN, TW

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Patents Grantslast 30 patents

Information Patent Grant
Headphones with frequency-based divisions
- Patent number 10,257,607
- Issue date Apr 9, 2019
- TRANSOUND ELECTRONICS CO., LTD.
- Tseng Feng Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Headphones with frequency-targeted resonance chambers
- Patent number 10,171,905
- Issue date Jan 1, 2019
- TRANSOUND ELECTRONICS CO., LTD.
- Tseng Feng Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HEADPHONES WITH FREQUENCY-TARGETED RESONANCE CHAMBERS
- Publication number 20180310090
- Publication date Oct 25, 2018
- TRANSOUND ELECTRONICS CO., LTD.
- TSENG FENG WEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEADPHONES WITH FREQUENCY-BASED DIVISIONS
- Publication number 20170238088
- Publication date Aug 17, 2017
- DONGGUAN TRANSOUND ELECTRONICS CO. LTD.
- TSENG FENG WEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE