DC

Dong Hwan Chang

KH Korea District Heating: 2 patents #1 of 12Top 9%
📍 Gimpo-si, KR: #15 of 65 inventorsTop 25%
Overall (2025): #129,799 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12266933 Power trading system of virtual power plant and power trading method of virtual power plant using the same Ja Kyun Koo, Tae Seon Eom, Yong Ha Lee, Min Sung Ko 2025-04-01
12237676 Virtual power plant system using renewable energy CHP and virtual power plant operating method using the same Ja Kyun Koo, Tae Seon Eom, Yong Ha Lee, Min Sung Ko 2025-02-25