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Top 20 Key Players companies in Ductility
by Highest Patent Value in the South Korea in 2018

The Ductility top 20 is Discovery PatSnap’ annual ranking of the top 20 Highest Patent Value Ductility Key Players in the South Korea. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test. According to Shigley's Mechanical Engineering Design (10th Ed.) significant denotes about 5.0 percent elongation (Section 5.3, p. 233). See also Eq. 2–12, p. 50 for definitions of percent elongation and percent area reduction. Ductility is often characterized by a material's ability to be stretched into a wire.
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Company Name
Region
Tech Topics
Total
1
LG Energy Solution Ltd.
Energy storage,Lithium battery
Avg patent value: 1.92 M
2
KyungDong One Co., Ltd.
Automatic control,Computer hardware,Electronics
Avg patent value: 1.39 M
3
Hyundai IHL Co., Ltd.
Bulb
Avg patent value: 1.24 M
4
LG Display Co., Ltd.
Electronics,Automotive engineering,Electronic visual display,
...[+2]
Avg patent value: 1.07 M
5
LS Corp.
Tractor,Electric power transmission,Automation,
...[+2]
Avg patent value: 1.05 M
6
Lotte Chemical Corp.
Petrochemical,Chemical engineering,Polyethylene,
...[+2]
Avg patent value: 1.04 M
7
Samsung Medison Co., Ltd.
Medical equipment,Health care,Ultrasound,
...[+2]
Avg patent value: 990,000
8
Samsung Electronics Co., Ltd.
Computer hardware,Semiconductor,Software,
...[+2]
Avg patent value: 978,877
9
Samsung Display Devices Co., Ltd.
Avg patent value: 930,600
10
Nexflex Co. Ltd.
Copper
Avg patent value: 876,500
11
LIG Nex1 Co., Ltd.
Missile,Electronics,Radar,
...[+2]
Avg patent value: 866,400
12
SK Geocentric Co.
Petrochemical,Globalization,Chemical engineering,
...[+2]
Avg patent value: 810,000
13
Kumho Petrochemical Co., Ltd.
Petrochemical,Synthetic rubber,Natural rubber,
...[+2]
Avg patent value: 760,000
14
LG Chem Ltd.
Petrochemical,Synthetic rubber,Health care,
...[+2]
Avg patent value: 674,276
15
POSCO
Materials science,Mining engineering,Metal,
...[+2]
Avg patent value: 655,646
16
Korea Plant Service & Engineering Co.
Electronics
Avg patent value: 640,500
17
KPS Co. Ltd.
Avg patent value: 640,500
18
Hyundai Motor Co., Ltd.
Public transport,Automotive engineering,Truck,
...[+2]
Avg patent value: 591,293
19
Cheil Industries, Inc.
Chemical engineering,Landscaping,Diode,
...[+2]
Avg patent value: 586,714
20
Toray Advanced Materials Korea, Inc.
Yarn,Industrial engineering,Polyester,
...[+2]
Avg patent value: 580,000
Page generation time: May 14 2025