Wei-Chih Lai

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Hsinchu Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method of activating P-type compound semiconductor by using lasers...
- Patent number 6,432,847
- Issue date Aug 13, 2002
- Advanced Epitaxy Technology Inc.
- Jian-Shihn Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of activating P-type compound semiconductor for reducing the...
- Patent number 6,380,052
- Issue date Apr 30, 2002
- Advanced Epitaxy Technology Inc.
- Jian-Shihn Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device using vacuum doughnut to serve as a current b...
- Patent number 6,215,131
- Issue date Apr 10, 2001
- Advanced Epitaxy Technology Inc.
- Jian-Tin Chen
- H01 - BASIC ELECTRIC ELEMENTS