Woo Hyun John Cho

Follow

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
LED lighting apparatus having flame barriers
- Patent number 10,288,274
- Issue date May 14, 2019
- ILSUNG CO., LTD.
- Woo Hyun Cho
- F21 - LIGHTING
Information Patent Grant
Recessed LED downlighting apparatus
- Patent number 8,882,308
- Issue date Nov 11, 2014
- Ilsung Co Ltd.
- Woo Hyun Cho
- F21 - LIGHTING
Information Patent Grant
Recessed lighting fixture for sloped ceilings and baffle received t...
- Patent number 6,095,669
- Issue date Aug 1, 2000
- Ilsung Moolsan Co., Ltd.
- Woo Hyun John Cho
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
VALVE AND METHOD OF OPERATING BOILER USING THE SAME
- Publication number 20250216091
- Publication date Jul 3, 2025
- KYUNGDONG NAVIEN CO., LTD.
- Woo Hyung Cho
- F24 - HEATING RANGES VENTILATING
Information Patent Application
LED LIGHTING APPARATUS HAVING FLAME BARRIERS
- Publication number 20180320875
- Publication date Nov 8, 2018
- ILSUNG CO., LTD.,
- Woo Hyun CHO
- F21 - LIGHTING
Information Patent Application
RECESSED LED DOWNLIGHTING APPARATUS
- Publication number 20140307450
- Publication date Oct 16, 2014
- Woo Hyun CHO
- F21 - LIGHTING