Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10343239 | Apparatus and method for manufacturing heat exchanger | Doo Hee Lee, Hyoung Roh, Bum-jung Lee | 2019-07-09 |
HH
Hyoung-sub Han
Overall (All Time): #2,866,865 of 4,157,543Top 70%
1
Patents All Time