Huey-Lin Hsieh

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Yung-Kang City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric buzzer
- Patent number 7,728,716
- Issue date Jun 1, 2010
- China Steel Corporation
- Cheng-Sheng Yu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR FABRICATING PIEZOELECTRIC COMPOSITE MATERIAL AND PIEZOEL...
- Publication number 20130285510
- Publication date Oct 31, 2013
- BETACER INC.
- Wu-Sung CHUANG
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Piezoelectric buzzer
- Publication number 20090033473
- Publication date Feb 5, 2009
- China Steel Corporation
- Cheng-Sheng Yu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS