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For the Inventor, By the Inventor

Seoul, South Korea

Dongbu Electronics

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 60.0

Forward Citations = 11

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10 inventors (with patents filed for the assignee):

goldMedal Kang-Hyun Lee (1 out of 9 patents)

silverMedal Keun Hyuk Lim (1 out of 17 patents)

bronzeMedal Heung Jin Kim (1 out of 6 patents)

4.  Woong Je Sung (1 out of 10 patents)

5.  Chee Hong Choi (1 out of 14 patents)

6.  Bum Sik Kim (1 out of 4 patents)

7.  Hyuk Woo (1 out of 2 patents)

8.  Shang Won Kim (1 out of 4 patents)

9.  Sang Hun Oh (1 out of 5 patents)

10.  Cheolsoo Park (1 out of 11 patents)


10 patents:

1. 7727851 - Method of measuring shifted epitaxy layer by buried layer (2010-06-01),
2. 7646048 - CMOS image sensor (2010-01-12),
3. 7645672 - Mask ROM, method for fabricating the same, and method for coding the same (2010-01-12),
4. 7642613 - CMOS image sensor and method for fabricating the same (2010-01-05),
5. 7491993 - CMOS image sensor and method for manufacturing the same (2009-02-17),
6. 7176101 - Method of forming isolation oxide layer in semiconductor integrated circuit device (2007-02-13),
7. 7172959 - Method for forming dual damascene interconnection in semiconductor device (2007-02-06),
8. 7166511 - Method for fabricating split gate flash memory device (2007-01-23),
9. 7067921 - Method for fabricating a metal-insulator-metal capacitor in a semiconductor device (2006-06-27),
10. 6790754 - Methods for manufacturing a semiconductor device (2004-09-14),
Company Overview
Dongbu Electronics is a prominent South Korean company specializing in the development and manufacturing of semiconductor solutions. The organization focuses on advanced technologies in the fields of memory chips and integrated circuits, catering to various sectors including consumer electronics and telecommunications. With a commitment to innovation, Dongbu Electronics plays a significant role in the global semiconductor market, leveraging its expertise to enhance performance and efficiency in electronic devices.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#399 in Seoul

#1,094 in South Korea

#56,119 in the World

Seoul, KR
Seoul, South Korea

Dongbu Electronics

Forward Citations = 11

10 inventors:

goldMedal Kang-Hyun Lee (1 out of 9 patents)

silverMedal Keun Hyuk Lim (1 out of 17 patents)

bronzeMedal Heung Jin Kim (1 out of 6 patents)

4.  Woong Je Sung (1 out of 10 patents)

5.  Chee Hong Choi (1 out of 14 patents)

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

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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