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Inventor
MA HOUYONG
CN
2 patents
Patents
2 patents
US10283346B2
May 7, 2019
Sapphire substrate recycling method
ENRAYTEK OPTOELECTRONICS CO
0 citations
38
US9842963B2
Dec 12, 2017
GaN-based LED epitaxial structure and preparation method thereof
ENRAYTEK OPTOELECTRONICS CO
0 citations
37