Joo Young Cheon

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating semiconductor light emitting device
- Patent number 9,614,121
- Issue date Apr 4, 2017
- Samsung Electronics Co., Ltd.
- Yong Seok Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor light emitting device and method of manufactu...
- Patent number 9,202,969
- Issue date Dec 1, 2015
- Samsung Electronics Co., Ltd.
- Joo Young Cheon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor light emitting device and manufacturing metho...
- Patent number 9,159,875
- Issue date Oct 13, 2015
- Samsung Electronics Co., Ltd.
- Joo Young Cheon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor light emitting device and method of manufactu...
- Patent number 8,932,943
- Issue date Jan 13, 2015
- Samsung Electronics Co., Ltd.
- Joo Young Cheon
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTU...
- Publication number 20150060764
- Publication date Mar 5, 2015
- Samsung Electronics Co., Ltd.
- JOO YOUNG CHEON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTU...
- Publication number 20130234107
- Publication date Sep 12, 2013
- Samsung Electronics Co., Ltd.
- Joo Young CHEON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE
- Publication number 20130228747
- Publication date Sep 5, 2013
- Samsung Electronics Co., Ltd.
- Sang Heon HAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND MANUFACTURING METHO...
- Publication number 20130228791
- Publication date Sep 5, 2013
- Samsung Electronics Co., Ltd.
- Joo Young Cheon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE
- Publication number 20110121259
- Publication date May 26, 2011
- Sang Heon HAN
- H01 - BASIC ELECTRIC ELEMENTS