A Ram Cha Lee

Person

Ansan-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
UV light emitting device
- Patent number 10,177,273
- Issue date Jan 8, 2019
- SEOUL VIOSYS CO., LTD.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Near UV light emitting device
- Patent number 10,164,150
- Issue date Dec 25, 2018
- SEOUL VIOSYS CO., LTD.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for separating epitaxial layers from growth substrates, and...
- Patent number 9,882,085
- Issue date Jan 30, 2018
- SEOUL VIOSYS CO., LTD.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Substrate regeneration method and regenerated substrate
- Patent number 9,859,108
- Issue date Jan 2, 2018
- SEOUL VIOSYS CO., LTD.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultraviolet light emitting device separated from growth substrate a...
- Patent number 9,520,533
- Issue date Dec 13, 2016
- SEOUL VIOSYS CO., LTD.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Near UV light emitting device
- Patent number 9,312,447
- Issue date Apr 12, 2016
- SEOUL VIOSYS CO., LTD.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for separating epitaxial layers from growth substrates, and...
- Patent number 9,263,255
- Issue date Feb 16, 2016
- SEOUL VIOSYS CO., LTD.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Near UV light emitting device
- Patent number 9,224,913
- Issue date Dec 29, 2015
- SEOUL VIOSYS CO., LTD.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NEAR UV LIGHT EMITTING DEVICE
- Publication number 20160225950
- Publication date Aug 4, 2016
- Seoul Viosys Co., Ltd.
- Chang Suk HAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR SEPARATING EPITAXIAL LAYERS FROM GROWTH SUBSTRATES, AND...
- Publication number 20160172539
- Publication date Jun 16, 2016
- Seoul Viosys Co., Ltd.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE REGENERATION METHOD AND REGENERATED SUBSTRATE
- Publication number 20160155628
- Publication date Jun 2, 2016
- Seoul Viosys Co., Ltd.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ULTRAVIOLET LIGHT EMITTING DEVICE SEPARATED FROM GROWTH SUBSTRATE A...
- Publication number 20160035935
- Publication date Feb 4, 2016
- Seoul Viosys Co., Ltd.
- Chang Suk Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
UV LIGHT EMITTING DEVICE
- Publication number 20150333218
- Publication date Nov 19, 2015
- Seoul Viosys Co., Ltd.
- Chang Suk HAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR SEPARATING EPITAXIAL LAYERS AND GROWTH SUBSTRATES, AND S...
- Publication number 20150069418
- Publication date Mar 12, 2015
- Seoul Viosys Co., Ltd.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEAR UV LIGHT EMITTING DEVICE
- Publication number 20150041760
- Publication date Feb 12, 2015
- Seoul Viosys Co., Ltd.
- Chang Suk HAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEAR UV LIGHT EMITTING DEVICE
- Publication number 20130256630
- Publication date Oct 3, 2013
- SEOUL OPTO DEVICE CO., LTD.
- Chang Suk HAN
- H01 - BASIC ELECTRIC ELEMENTS

A Ram Cha Lee

Person

Patents Grantslast 30 patents

UV light emitting device

Near UV light emitting device

Method for separating epitaxial layers from growth substrates, and...

Substrate regeneration method and regenerated substrate

Ultraviolet light emitting device separated from growth substrate a...

Near UV light emitting device

Method for separating epitaxial layers from growth substrates, and...

Near UV light emitting device

Patents Applicationslast 30 patents

NEAR UV LIGHT EMITTING DEVICE

METHOD FOR SEPARATING EPITAXIAL LAYERS FROM GROWTH SUBSTRATES, AND...

SUBSTRATE REGENERATION METHOD AND REGENERATED SUBSTRATE

ULTRAVIOLET LIGHT EMITTING DEVICE SEPARATED FROM GROWTH SUBSTRATE A...

UV LIGHT EMITTING DEVICE

METHOD FOR SEPARATING EPITAXIAL LAYERS AND GROWTH SUBSTRATES, AND S...

NEAR UV LIGHT EMITTING DEVICE

NEAR UV LIGHT EMITTING DEVICE