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Seoul, South Korea

Hyosung Corporation

USPTO Granted Patents = 83

CIPO Patents = 10

EPO Patents = 30

Trademarks = 21

Forward Citations = 429

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185 inventors (with patents filed for the assignee):

Ik-Hyeon Kwon (8 out of 8 patents)

Ik-Hyun Kwon (8 out of 8 patents)

Soo-Myung Choi (8 out of 8 patents)

4. Jae-Shik Choi (8 out of 8 patents)

5. Tae-Jung Lee (7 out of 7 patents)

6. Young-Gyo Choi (6 out of 6 patents)

7. Eun-lai Cho (6 out of 6 patents)

8. Young-Soo Wang (5 out of 5 patents)

9. Sung-Ryong Kim (5 out of 5 patents)

10. Seok-Jong Han (5 out of 5 patents)

11. June-Sung Kim (4 out of 10 patents)

12. Song-joo Choi (4 out of 4 patents)

13. Byung Hwan Jeong (3 out of 6 patents)

14. Jong Yun Choi (3 out of 5 patents)

15. Hong-Ju Jung (3 out of 9 patents)

Core Competencies:

Remote Control Technology

Composite Charging Systems

Bidirectional DC-DC Converters

Ballistic Cloth Manufacturing

High Voltage Direct Current

Partial Discharge Detection

Polyester Tire Cord

Shape Memory Polyamide

Dehydrogenation Catalysts

Polylactic Acid Composition

Polyethylene Terephthalate Filaments

Tetrahydrofuran Production

83 patents: Sort by Forward Citations

1. 12278568 - Power facility for remote control (2025-04-14),

2. 12224615 - Composite charging system and method (2025-02-11),

3. 12143024 - Sensorless prediction method of overcurrent in isolated bidirectional DC-DC converter (2024-11-12),

4. 10442167 - Ballistic cloth using a unidirectional-oriented aramid sheet and polyethylene film and method for manufacturing the same (2019-10-15),

5. 10174197 - Spandex fiber having improved adhesive characteristics with hot melt adhesive and method for manufacturing same (2019-01-08),

6. 10038336 - Power duplication apparatus for HVDC system and control method therefor (2018-07-31),

7. 10038311 - Module replacement device of high voltage direct current transmission system (2018-07-31),

8. 10017883 - Polyester tire cord with excellent dimensional stability and method for manufacturing the same (2018-07-10),

9. 9938642 - Preparation method for multifunctional polyester fibre (2018-04-10),

10. 9917522 - Power control apparatus for sub-module of MMC converter (2018-03-13),

11. 9819187 - Device for supplying power to HVDC converter (2017-11-14),

12. 9726708 - Device for detecting partial discharge for power transformer (2017-08-08),

13. 9712042 - Bypass apparatus for converter (2017-07-18),

14. 9658273 - Method of detecting partial discharging location of power device (2017-05-23),

15. 9599653 - Method for diagnosing internal fault of oil-immersed transformer through composition ratio of dissolved gas in oil (2017-03-21),

Hyosung Corporation is a South Korean conglomerate engaged in various industries including textiles, industrial materials, chemicals, power systems, and information and communication technology. With its headquarters in Seoul, Hyosung Corporation operates globally and is committed to sustainable growth and innovation. For more information, visit their website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

83 Patents

#68 in Seoul

#208 in South Korea

#8,831 in the World

Seoul, South Korea

Hyosung Corporation

Forward Citations = 429

185 inventors:

Ik-Hyeon Kwon (8 out of 8 patents)

Ik-Hyun Kwon (8 out of 8 patents)

Soo-Myung Choi (8 out of 8 patents)

4. Jae-Shik Choi (8 out of 8 patents)

5. Tae-Jung Lee (7 out of 7 patents)

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