DC

Dong Hyuk Chang

HS Hanon Systems: 1 patents #86 of 243Top 40%
📍 Daejeon, CA: #90 of 135 inventorsTop 70%
Overall (2025): #402,755 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12421948 Variable displacement swash plate type compressor Se Young Song, Kwang Jin Kim, Ok Hyun Kim, Ki Sang Hong 2025-09-23