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Yong Soo Ji
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
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Patent Grant
Friction damper with V-groove
Patent number
10,294,618
Issue date
May 21, 2019
ESCO RTS CO., LTD.
Yeoung Cheol Cho
E04 - BUILDING
Information
Patent Grant
Seismic isolator utilizing wedge
Patent number
9,829,063
Issue date
Nov 28, 2017
Yeoung Cheol Cho
E04 - BUILDING
Patents Applications
last 30 patents
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Patent Application
FRICTION DAMPER WITH V-GROOVE
Publication number
20180363254
Publication date
Dec 20, 2018
ESCO RTS CO., LTD.
Yeoung Cheol CHO
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
SEISMIC ISOLATOR UTILIZING WEDGE
Publication number
20160348751
Publication date
Dec 1, 2016
Yeoung Cheol Cho
E04 - BUILDING