Houyong MA

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sapphire substrate recycling method
- Patent number 10,283,346
- Issue date May 7, 2019
- Enraytek Optoelectronics Co., Ltd.
- Houyong Ma
- B08 - CLEANING
Information Patent Grant
GaN-based LED epitaxial structure and preparation method thereof
- Patent number 9,842,963
- Issue date Dec 12, 2017
- ENRAYTEK OPTOELECTRONICS CO., LTD.
- Houyong Ma
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SAPPHIRE SUBSTRATE RECYCLING METHOD
- Publication number 20170263446
- Publication date Sep 14, 2017
- Enraytek Optoelectronics Co., Ltd.
- Houyong MA
- C30 - CRYSTAL GROWTH
Information Patent Application
GAN-BASED LED EPITAXIAL STRUCTURE AND PREPARATION METHOD THEREOF
- Publication number 20160276529
- Publication date Sep 22, 2016
- Enraytek Optoelectronics Co., Ltd.
- Houyong MA
- H01 - BASIC ELECTRIC ELEMENTS