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Jin Gu Joung
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Seoul, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Air purifier with vertical rotation and horizontal rotation
Patent number
11,885,528
Issue date
Jan 30, 2024
Coway Co., Ltd.
Dong Wook Kim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hot water supply method, hot water supply device, and water purifie...
Patent number
10,604,399
Issue date
Mar 31, 2020
Coway Co., Ltd.
Young-Jae Lee
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Grant
Method for sterilizing water treatment apparatus having plurality o...
Patent number
10,071,402
Issue date
Sep 11, 2018
Coway Co., Ltd.
Jin-Kyu Joung
B08 - CLEANING
Information
Patent Grant
Ice making method
Patent number
9,568,228
Issue date
Feb 14, 2017
Woongjin Coway Co., Ltd.
Jin-Kyu Joung
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Ice making method
Patent number
9,541,320
Issue date
Jan 10, 2017
Woongjin Coway Co., Ltd.
Jin-Kyu Joung
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for sterilizing water treatment apparatus having plurality o...
Patent number
9,403,111
Issue date
Aug 2, 2016
Coway Co., Ltd.
Jin-Kyu Joung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Air purifier and an operating method for the same
Patent number
9,279,593
Issue date
Mar 8, 2016
Woongjin Coway Co., Ltd.
Jin Kyu Joung
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Air purifier and an operating method for the same
Patent number
9,259,678
Issue date
Feb 16, 2016
Woongjin Conway Co., Ltd
Jin-Kyu Joung
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Air purifier and an operating method for the same
Patent number
9,127,852
Issue date
Sep 8, 2015
Woongjin Coway Co., Ltd.
Jin-Kyu Joung
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Dustproof mask for nose
Patent number
7,954,495
Issue date
Jun 7, 2011
Jin Gu Joung
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Scissor
Patent number
6,317,987
Issue date
Nov 20, 2001
Jin Gu Joung
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Patents Applications
last 30 patents
Information
Patent Application
AIR PURIFIER WITH VERTICAL ROTATION AND HORIZONTAL ROTATION
Publication number
20210108809
Publication date
Apr 15, 2021
COWAY CO., LTD.
Dong Wook KIM
F24 - HEATING RANGES VENTILATING
Information
Patent Application
HOT WATER SUPPLY METHOD, HOT WATER SUPPLY DEVICE, AND WATER PURIFIE...
Publication number
20180354776
Publication date
Dec 13, 2018
COWAY CO., LTD.
Young-Jae LEE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR STERILIZING WATER TREATMENT APPARATUS HAVING PLURALITY O...
Publication number
20160303621
Publication date
Oct 20, 2016
COWAY CO., LTD.
Jin-Kyu JOUNG
B08 - CLEANING
Information
Patent Application
AIR PURIFIER AND AN OPERATING METHOD FOR THE SAME
Publication number
20150377501
Publication date
Dec 31, 2015
Woongjin Coway Co., Ltd.
Jin Kyu JOUNG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AIR PURIFIER AND AN OPERATING METHOD FOR THE SAME
Publication number
20150375155
Publication date
Dec 31, 2015
Woongjin Coway Co., Ltd.
Jin Kyu JOUNG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR STERILIZING WATER TREATMENT APPARATUS HAVING PLURALITY O...
Publication number
20140096799
Publication date
Apr 10, 2014
Jin-Kyu Joung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ICE MAKING METHOD
Publication number
20130074521
Publication date
Mar 28, 2013
Jin-Kyu Joung
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
ICE MAKING METHOD
Publication number
20130074527
Publication date
Mar 28, 2013
Woongjin Coway Co., Ltd.
Jin-Kyu Joung
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Dustproof Mask for Nose
Publication number
20090151732
Publication date
Jun 18, 2009
Jin Gu Joung
A62 - LIFE-SAVING FIRE-FIGHTING