Ing-Yih Leu

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Da-an District, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an electret film
- Patent number 8,776,367
- Issue date Jul 15, 2014
- National Taiwan University
- Shih-Yuan Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electret diaphragm and speaker using the same
- Patent number 8,503,702
- Issue date Aug 6, 2013
- Industrial Technology Research Institute
- Che-I Kao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electret materials, electret speakers, and methods of manufacturing...
- Patent number 8,111,847
- Issue date Feb 7, 2012
- National Taiwan University
- Shih-Yuan Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrostatic loudspeaker array
- Patent number 8,009,838
- Issue date Aug 30, 2011
- National Taiwan University
- Chih-Kung Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRET DIAPHRAGM AND SPEAKER USING THE SAME
- Publication number 20110255720
- Publication date Oct 20, 2011
- Industrial Technology Research Institute
- Che-I Kao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRET MATERIALS, ELECTRET SPEAKERS, AND METHODS OF MANUFACTURING...
- Publication number 20090245547
- Publication date Oct 1, 2009
- National Taiwan University
- Shih-Yuan Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electrostatic Loudspeaker Array
- Publication number 20090214049
- Publication date Aug 27, 2009
- National Taiwan University
- Chih-Kung Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRET MATERIALS, ELECTRET SPEAKERS, AND METHODS OF MANUFACTURING...
- Publication number 20090169036
- Publication date Jul 2, 2009
- National Taiwan University
- Shin-Yuan Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE