Pin-Tang LEE

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New Taipei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Coaxial audio speaker using single audio source
- Patent number 9,258,630
- Issue date Feb 9, 2016
- HUIYANG DONGMEI AUDIO PRODUCTS CO., LTD.
- Ming-Chung Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Off-axial audio speaker using single audio source
- Patent number 9,210,489
- Issue date Dec 8, 2015
- HUIYANG DONGMEI AUDIO PRODUCTS CO., LTD.
- Ming-Chung Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Treble and bass headphone structure
- Patent number 9,124,976
- Issue date Sep 1, 2015
- EASTERN TECHNOLOGIES HOLDING LIMITED
- Ming-Chung Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reverse-direction co-axial earphone
- Patent number 8,588,453
- Issue date Nov 19, 2013
- Eastern Technologies Holding Limited
- Pin-Tang Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COAXIAL AUDIO SPEAKER USING SINGLE AUDIO SOURCE
- Publication number 20160014485
- Publication date Jan 14, 2016
- Huiyang Dongmei Audio Products Co., Ltd.
- Ming-Chung CHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE-VOCAL COIL COAXIAL AUDIO SPEAKER USING SINGLE AUDIO SOURCE
- Publication number 20150373436
- Publication date Dec 24, 2015
- Huiyang Dongmei Audio Products Co., Ltd.
- Ming-Chung CHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TREBLE AND BASS HEADPHONE STRUCTURE
- Publication number 20150208160
- Publication date Jul 23, 2015
- Eastern Technologies Holding Limited
- Ming-Chung CHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE