Yongbao Xin

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting device with a stopper layer structure
- Patent number 7,923,925
- Issue date Apr 12, 2011
- Group IV Semiconductor, Inc.
- Thomas MacElwee
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DEVICE WITH A STOPPER LAYER STRUCTURE
- Publication number 20090128029
- Publication date May 21, 2009
- Thomas Macelwee
- H01 - BASIC ELECTRIC ELEMENTS