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Hong Geun Yu
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Leakage detection cable and method for manufacturing same
Patent number
11,137,315
Issue date
Oct 5, 2021
YUMIN SYSTEM TECHNOLOGY CO., LTD
Hong Geun Yu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Oil leak detection device
Patent number
9,354,135
Issue date
May 31, 2016
Hong Geun Yu
G01 - MEASURING TESTING
Information
Patent Grant
Leak detection device and remote monitoring system having slave con...
Patent number
9,212,965
Issue date
Dec 15, 2015
Yumin System Technology Co., Ltd.
Hong Geun Yu
G01 - MEASURING TESTING
Information
Patent Grant
Leak sensor apparatus for sensing moisture
Patent number
8,646,318
Issue date
Feb 11, 2014
Yumin System Technology Co., Ltd.
Dong Geun Yu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
DEVICE FOR DETECTING LEAKAGE OF ACIDIC SOLUTION
Publication number
20150362397
Publication date
Dec 17, 2015
YUMIN SYSTEM TECHNOLOGY CO., LTD.
Hong Geun Yu
G01 - MEASURING TESTING
Information
Patent Application
Oil Leakage Sensing Composition and Oil Leakage Sensor Comprising t...
Publication number
20150219520
Publication date
Aug 6, 2015
YUMIN SYSTEM TECHNOLOGY CO., LTD.
Hong Geun Yu
G01 - MEASURING TESTING
Information
Patent Application
LEAK DETECTION DEVICE AND REMOTE MONITORING SYSTEM USING THE SAME
Publication number
20150116118
Publication date
Apr 30, 2015
YUMIN SYSTEM TECHNOLOGY CO., LTD.
Hong Geun YU
G01 - MEASURING TESTING
Information
Patent Application
CAPACITIVE FLUID LEVEL DETECTION SENSOR
Publication number
20150040659
Publication date
Feb 12, 2015
YUMIN SYSTEM TECHNOLOGY CO., LTD.
Hong Geun Yu
G01 - MEASURING TESTING
Information
Patent Application
FILM-TYPE TEMPERATURE SENSOR
Publication number
20150036722
Publication date
Feb 5, 2015
YUMIN SYSTEM TECHNOLOGY CO., LTD.
Hong Geun Yu
G01 - MEASURING TESTING
Information
Patent Application
OIL LEAK DETECTION DEVICE
Publication number
20130305815
Publication date
Nov 21, 2013
Hong Geun Yu
G01 - MEASURING TESTING
Information
Patent Application
Leak sensor apparatus for sensing moisture
Publication number
20090173143
Publication date
Jul 9, 2009
YUMIN System Technology Co., Ltd.
Dong Geun Yu
G01 - MEASURING TESTING