Joongseo Park

Follow

Person

Kyunggi-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
III-nitride compound semiconductor light emitting device
- Patent number 7,547,909
- Issue date Jun 16, 2009
- Epivalley Co., Ltd.
- Joongseo Park
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Iii-Nitride Compound Semiconductor Light Emitting Device
- Publication number 20080149917
- Publication date Jun 26, 2008
- EPIVALLEY CO., LTD
- Joongseo Park
- B82 - NANO-TECHNOLOGY