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Seoul, South Korea

Dongbu Electronics, Co. Ltd.

USPTO Granted Patents = 836

% Expired Patents = 66.0

Forward Citations = 2,880

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333 inventors (with patents filed for the assignee):

Chang Hun Han (32 out of 80 patents)

Jin Hyo Jung (31 out of 51 patents)

In Gyun Jeon (14 out of 15 patents)

4. Kwan-Ju Koh (14 out of 23 patents)

5. Jae Suk Lee (14 out of 32 patents)

6. Jeong Ho Park (13 out of 35 patents)

7. Jae Kap Kim (13 out of 58 patents)

8. Sang Bum Lee (12 out of 34 patents)

9. Hee Sung Shim (11 out of 26 patents)

10. Sang Gi Lee (11 out of 15 patents)

11. Han-Choon Lee (11 out of 19 patents)

12. Jae-Suk Lee (11 out of 11 patents)

13. Cheol Soo Park (11 out of 24 patents)

14. Chee Hong Choi (10 out of 14 patents)

15. Jae Won Han (10 out of 18 patents)

Core Competencies:

Flash Memory

CMOS Image Sensor

Semiconductor Manufacturing

Nonvolatile Memory

Memory Device

High Voltage BICMOS

LDMOS Device

Transistor Fabrication

Interconnects

Capacitor Formation

Phase-Change Memory

ESD Protection

836 patents: Sort by Forward Citations

1. 8338881 - Flash memory device and method for fabricating the same (2012-12-25),

2. 8178441 - Semiconductor device and method for manufacturing the same (2012-05-15),

3. 8174121 - Semiconductor device and manufacturing method thereof (2012-05-08),

4. 8134213 - Static random access memory and method for manufacturing the same (2012-03-13),

5. 8092986 - Exposure methods (2012-01-10),

6. 8063446 - LDMOS device and method for manufacturing the same (2011-11-22),

7. 8049257 - CMOS image sensor (2011-11-01),

8. 8021946 - Nonvolatile memory device and method for fabricating the same (2011-09-20),

9. 7994554 - CMOS image sensor and manufacturing method thereof (2011-08-09),

10. 7977794 - Aluminum metal line of a semiconductor device and method of fabricating the same (2011-07-12),

11. 7977770 - Semiconductor device and method of manufacturing the same (2011-07-12),

12. 7977753 - High voltage BICMOS device and method for manufacturing the same (2011-07-12),

13. 7973347 - Complementary metal oxide silicon image sensor and method of fabricating the same (2011-07-05),

14. 7973342 - CMOS image sensor and method for manufacturing the same (2011-07-05),

15. 7960839 - Semiconductor interconnection line and method of forming the same (2011-06-14),

Company Overview

Dongbu Electronics, Co. Ltd., headquartered in Seoul, South Korea, specializes in the development and manufacturing of advanced semiconductor devices. The company focuses on key technology areas such as flash memory, CMOS image sensors, and various nonvolatile memory solutions. Dongbu Electronics is recognized for its expertise in high voltage BICMOS and LDMOS devices, as well as transistor fabrication, contributing significantly to the semiconductor landscape and supporting a wide range of applications across multiple industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

836 Patents

#23 in Seoul

#38 in South Korea

#1,206 in the World

Seoul, South Korea

Dongbu Electronics, Co. Ltd.

Forward Citations = 2,880

333 inventors:

Chang Hun Han (32 out of 80 patents)

Jin Hyo Jung (31 out of 51 patents)

In Gyun Jeon (14 out of 15 patents)

4. Kwan-Ju Koh (14 out of 23 patents)

5. Jae Suk Lee (14 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dongbu Electronics, Co. Ltd.. Retrieved from https://idiyas.com/company/dongbu-electronics-company

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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