% Expired Patents = 100.0

EPO Patents = 1

Forward Citations = 12

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8 inventors (with patents filed for the assignee):

Bum-Goo Lee (2 out of 2 patents)

Hee-Kyong Oh (2 out of 2 patents)

Jung-Yeol Eom (2 out of 2 patents)

4. Eui-Sin Lee (2 out of 4 patents)

5. Tae-Hoon Kim (1 out of 155 patents)

6. Young-Jin Kim (1 out of 63 patents)

7. Se-Jin Park (1 out of 1 patent)

8. Seong-Woon Kim (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 8557114 - Water purification apparatus and method for using pressure filter and pore control fiber filter (2013-10-15),

2. 8518261 - Water purification apparatus and method for using pressure filter and pore control fiber filter (2013-08-27),

3. 8341788 - Method for constructing precast coping for bridge (2013-01-01),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#967 in Seoul

#2,793 in South Korea

Seoul, South Korea

Daewoo E&c Co., Ltd.

Forward Citations = 12

8 inventors:

Bum-Goo Lee (2 out of 2 patents)

Hee-Kyong Oh (2 out of 2 patents)

Jung-Yeol Eom (2 out of 2 patents)

4. Eui-Sin Lee (2 out of 4 patents)

5. Tae-Hoon Kim (1 out of 155 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daewoo E&c Co., Ltd.. Retrieved from https://idiyas.com/company/daewoo-e-and-c-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]

1 patent (EPO):

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]