Woo Chul Kwak

Person

Ansan-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
UV light emitting device
- Patent number 10,374,123
- Issue date Aug 6, 2019
- SEOUL VIOSYS CO., LTD.
- Chang Seok Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and manufacturing method therefor
- Patent number 10,361,339
- Issue date Jul 23, 2019
- SEOUL VIOSYS CO., LTD.
- Jung Whan Jung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and method of fabricating the same
- Patent number 9,799,800
- Issue date Oct 24, 2017
- SEOUL VIOSYS CO., LTD.
- Sam Seok Jang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of growing nitride semiconductor layer, nitride semiconducto...
- Patent number 9,728,404
- Issue date Aug 8, 2017
- SEOUL VIOSYS CO., LTD.
- Woo Chul Kwak
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of growing gallium nitride based semiconductor layers and me...
- Patent number 9,449,815
- Issue date Sep 20, 2016
- SEOUL VIOSYS CO., LTD.
- Seung Kyu Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 9,287,367
- Issue date Mar 15, 2016
- SEOUL VIOSYS CO., LTD.
- Woo Chul Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of growing nitride semiconductor layer, nitride semiconducto...
- Patent number 9,142,622
- Issue date Sep 22, 2015
- SEOUL VIOSYS CO., LTD.
- Woo Chul Kwak
- C30 - CRYSTAL GROWTH
Information Patent Grant
Light emitting device and method of fabricating the same
- Patent number 8,748,864
- Issue date Jun 10, 2014
- SEOUL VIOSYS CO., LTD.
- Woo Chul Kwak
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
UV LIGHT EMITTING DEVICE
- Publication number 20180090640
- Publication date Mar 29, 2018
- Seoul Viosys Co., Ltd.
- Chang Seok Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR
- Publication number 20180047871
- Publication date Feb 15, 2018
- Seoul Viosys Co., Ltd.
- Jung Whan Jung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20160056334
- Publication date Feb 25, 2016
- Seoul Viosys Co., Ltd.
- Sam Seok Jang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF GROWING NITRIDE SEMICONDUCTOR LAYER, NITRIDE SEMICONDUCTO...
- Publication number 20150380237
- Publication date Dec 31, 2015
- Seoul Viosys Co., Ltd.
- Woo Chul Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20150340562
- Publication date Nov 26, 2015
- Seoul Viosys Co., Ltd.
- Min Kyu Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20150115223
- Publication date Apr 30, 2015
- Seoul Viosys Co., Ltd.
- Woo Chul Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF GROWING NITRIDE SEMICONDUCTOR, METHOD OF MANUFACTURING TE...
- Publication number 20150091047
- Publication date Apr 2, 2015
- Seoul Viosys Co., Ltd.
- Seung Kyu Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF GROWING GALLIUM NITRIDE BASED SEMICONDUCTOR LAYERS AND ME...
- Publication number 20140162437
- Publication date Jun 12, 2014
- Seoul Viosys Co., Ltd.
- Seung Kyu CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF GROWING NITRIDE SEMICONDUCTOR LAYER, NITRIDE SEMICONDUCTO...
- Publication number 20140151713
- Publication date Jun 5, 2014
- Seoul Viosys Co., Ltd.
- Woo Chul Kwak
- C30 - CRYSTAL GROWTH
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20120132888
- Publication date May 31, 2012
- SEOUL OPTO DEVICE CO., LTD.
- Woo Chul KWAK
- B82 - NANO-TECHNOLOGY

Woo Chul Kwak

Person

Patents Grantslast 30 patents

UV light emitting device

Light emitting device and manufacturing method therefor

Light emitting device and method of fabricating the same

Method of growing nitride semiconductor layer, nitride semiconducto...

Method of growing gallium nitride based semiconductor layers and me...

Semiconductor device and method of manufacturing the same

Method of growing nitride semiconductor layer, nitride semiconducto...

Light emitting device and method of fabricating the same

Patents Applicationslast 30 patents

UV LIGHT EMITTING DEVICE

LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR

LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME

METHOD OF GROWING NITRIDE SEMICONDUCTOR LAYER, NITRIDE SEMICONDUCTO...

LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

METHOD OF GROWING NITRIDE SEMICONDUCTOR, METHOD OF MANUFACTURING TE...

METHOD OF GROWING GALLIUM NITRIDE BASED SEMICONDUCTOR LAYERS AND ME...

METHOD OF GROWING NITRIDE SEMICONDUCTOR LAYER, NITRIDE SEMICONDUCTO...

LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME