EPO Patents = 2

Forward Citations = 3

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8 inventors (with patents filed for the assignee):

Sang Jin Kim (3 out of 7 patents)

Jae Moon Lee (2 out of 2 patents)

Chang Hee Lee (2 out of 2 patents)

4. Jin Ho Cheon (1 out of 1 patent)

5. Chang Seong Ryu (1 out of 1 patent)

6. Gyun Lee (1 out of 1 patent)

7. Heon Pil Ha (1 out of 1 patent)

8. Kyung Ju Lee (1 out of 2 patents)

9. Jong Tae Choi (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 10092896 - Catalyst for selective catalytic reduction and preparation method therefor (2018-10-09),

2. 9873084 - Reducing agent pyrolysis system for selective catalytic reduction apparatus (2018-01-23),

3. 9482130 - Selective catalytic reduction and catalytic regeneration system (2016-11-01),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#12 in Gyeongsangnam

#2,797 in South Korea

Gyeongsangnam, South Korea

Doosan Engine Co., Ltd.

Forward Citations = 3

8 inventors:

Sang Jin Kim (3 out of 7 patents)

Jae Moon Lee (2 out of 2 patents)

Chang Hee Lee (2 out of 2 patents)

4. Jin Ho Cheon (1 out of 1 patent)

5. Chang Seong Ryu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Doosan Engine Co., Ltd.. Retrieved from https://idiyas.com/company/doosan-engine-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]

2 patents (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]