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Gyeonggi-do, South Korea

Hynix Semiconductor Inc.

USPTO Granted Patents = 6,228

% Expired Patents = 43.0

EPO Patents = 8

Trademarks = 5

Forward Citations = 35,977

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2,495 inventors (with patents filed for the assignee):

Hee Bok Kang (224 out of 272 patents)

Chang-Ho Do (107 out of 108 patents)

Kyung-Hoon Kim (72 out of 80 patents)

4. Jae Chang Jung (70 out of 130 patents)

5. Sung-Kwon Lee (56 out of 62 patents)

6. Yong-Ju Kim (52 out of 91 patents)

7. Geun Su Lee (48 out of 84 patents)

8. Sang Don Lee (47 out of 79 patents)

9. Ic-Su Oh (44 out of 48 patents)

10. Hae-Rang Choi (43 out of 66 patents)

11. Hyung-Soo Kim (43 out of 47 patents)

12. Heon Yong Chang (43 out of 46 patents)

13. Suk Kyoung Hong (43 out of 44 patents)

14. Heung-Jae Cho (42 out of 60 patents)

15. Tae-Jin Hwang (40 out of 45 patents)

Core Competencies:

Non-Volatile Memory

Integrated Circuits

Data Processing

Memory Systems

Voltage Compensation

Thermal Sensors

Signal Transmission

Image Sensors

High-Speed Data Transmission

Phase-Change Memory

Memory Device

Chip Area Reduction

6,228 patents: Sort by Forward Citations

1. 9871045 - Semiconductor device with damascene bit line and method for manufacturing the same (2018-01-16),

2. 9552874 - Combined memory block and data processing system having the same (2017-01-24),

3. 9508394 - Integrated circuit system and memory system (2016-11-29),

4. 9467145 - Data output circuit (2016-10-11),

5. 9431402 - Semiconductor device having buried bit line and method for fabricating the same (2016-08-30),

6. 9374092 - Internal voltage compensation circuit (2016-06-21),

7. 9368237 - Semiconductor integrated circuit capable of controlling test modes without stopping test (2016-06-14),

8. 9349813 - Method for fabricating semiconductor device (2016-05-24),

9. 9324385 - Semiconductor device for generating initialization of information in response to a first clock and outputting the initialization information in response to a second clock (2016-04-26),

10. 9318198 - Memory system and method of operating the same (2016-04-19),

11. 9310430 - Semiconductor integrated circuit and test control method thereof (2016-04-12),

12. 9287283 - Non-volatile memory device and method for fabricating the same (2016-03-15),

13. 9275904 - Method for fabricating semiconductor device (2016-03-01),

14. 9269441 - Method for operating non-volatile memory device (2016-02-23),

15. 9257975 - Semiconductor apparatus for transmitting and receiving signals among a plurality of chips (2016-02-09),

Company Overview

Hynix Semiconductor Inc., headquartered in Gyeonggi-do, South Korea, is a leading developer and manufacturer of semiconductor devices. The company specializes in non-volatile memory technologies, integrated circuits, and advanced memory systems, catering to a diverse range of applications in data processing and signal transmission. Hynix is also involved in the development of thermal sensors and image sensors, contributing to innovations in various electronic and computing sectors, thereby enhancing performance and efficiency in modern technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6,228 Patents

#1 in Gyeonggi-do

#12 in South Korea

#135 in the World

Gyeonggi-do, South Korea

Hynix Semiconductor Inc.

Forward Citations = 35,977

2,495 inventors:

Hee Bok Kang (224 out of 272 patents)

Chang-Ho Do (107 out of 108 patents)

Kyung-Hoon Kim (72 out of 80 patents)

4. Jae Chang Jung (70 out of 130 patents)

5. Sung-Kwon Lee (56 out of 62 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hynix Semiconductor Inc.. Retrieved from https://idiyas.com/company/hynix-semiconductor

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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