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Kaohsiung, Taiwan

China Steel Corporation

USPTO Granted Patents = 42

% Expired Patents = 50.0

EPO Patents = 11

Trademarks = 3

Forward Citations = 174

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117 inventors (with patents filed for the assignee):

Sung-Lin Chen (6 out of 6 patents)

Shih-Kang Kuo (5 out of 5 patents)

James Chingwei Li (3 out of 45 patents)

4. Shan-Wen Du (3 out of 3 patents)

5. Chang-Tsun Lin (3 out of 3 patents)

6. Rong-Zhi Chen (3 out of 3 patents)

7. Jui-Tung Chang (3 out of 3 patents)

8. Chung-Mei Chen (3 out of 3 patents)

9. Huey-Lin Hsieh (2 out of 3 patents)

10. Long-Gee Liao (2 out of 2 patents)

11. Lien-Kuei Chiang (2 out of 2 patents)

12. Wen-Chieh Li (2 out of 2 patents)

13. Yi-An Wu (2 out of 2 patents)

14. Jye-Long Lee (2 out of 2 patents)

15. Cheng-Sheng Yu (2 out of 2 patents)

Core Competencies:

High-Strength Steel

Cold-Rolled Sheets

Fabrication Method

Blast Furnace

Electromagnetic Steel

Eddy Current Inspection

Bio-Coal Production

RFID Technology

Thermoelectric Module

Sputtering Target

Magnetic Properties

Mechanical Properties

42 patents: Sort by Forward Citations

1. 10047418 - Method for manufacturing high-strength and high-ductility steel (2018-08-14),

2. 9486984 - Steel sheet and fabrication method thereof (2016-11-08),

3. 9174256 - Hot rolling high-pressure fluid descaling method and descaling apparatus (2015-11-03),

4. 9096810 - Method for producing a bio-coal (2015-08-04),

5. 9048388 - Multi-layer thermoelectric module and method for fabricating the same (2015-06-02),

6. 8851387 - Anti-counterfeiting bottle (2014-10-07),

7. 8568652 - Resident measurement system for charge level of blast furnace (2013-10-29),

8. 8561912 - RFID tag having capacitive load (2013-10-22),

9. 8556185 - RFID tag having capacitive load (2013-10-15),

10. 8510978 - RFID tag holder (2013-08-20),

11. 8440111 - Lead-free conductive paste composition (2013-05-14),

12. 8436581 - System for testing electromagnetic characteristics of an electromagnetic steel sheet in response to a non-sinusoidal wave control signal (2013-05-07),

13. 8410669 - Piezoceramic transducer and method for manufacturing the same (2013-04-02),

14. 8366994 - Method for manufacturing cobalt alloy-based ceramic composite sputtering target (2013-02-05),

15. 8179264 - Radio frequency identification tag device for metallic products (2012-05-15),

Company Overview

China Steel Corporation, headquartered in Kaohsiung, Taiwan, is a leading manufacturer specializing in high-strength and high-ductility steel products. The company is at the forefront of various technological domains, including thermoelectric modules, RFID technology, and electromagnetic steel. With a commitment to innovation, China Steel also develops cobalt alloys and cold-rolled steel, while employing advanced blast furnace techniques. Its diverse portfolio supports a wide range of industries, contributing significantly to the steel sector in the region.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

42 Patents

#16 in Kaohsiung

#465 in Taiwan

#16,354 in the World

Kaohsiung, Taiwan

China Steel Corporation

Forward Citations = 174

117 inventors:

Sung-Lin Chen (6 out of 6 patents)

Shih-Kang Kuo (5 out of 5 patents)

James Chingwei Li (3 out of 45 patents)

4. Shan-Wen Du (3 out of 3 patents)

5. Chang-Tsun Lin (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: China Steel Corporation. Retrieved from https://idiyas.com/company/china-steel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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