Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8544601 | Sound-absorbing noise barrier | Kangwoo Kim, Dongjin Kim, Jae-Youl Joung, Yunhwan Hwang | 2013-10-01 |
| 8387893 | Structure and method for constructing 2-ply upper board of dry heating system | Sung-Seock Hwang, Se-Chang Kang, Dong-Sik Jang, Seung-Chul Hwang, Suk-Won Jang | 2013-03-05 |
| 7493692 | Method for making plate-shaped heating panel of uniform flow path | Se-Chang Kang, Jang-Seok Park, Min Soo Han, Seong Chan PARK, Sung-Seock Hwang | 2009-02-24 |
| 7404432 | Plate-shaped heating panel in which connecting members are fastened by resin | Se-Chang Kang, Jang-Seok Park, Min Soo Han, Seong Chan PARK, Sung-Seock Hwang | 2008-07-29 |
| 7143823 | Plate-shaped heating panel in which connecting members are fastened by bolts and nuts | Se-Chang Kang, Jang-Seok Park, Min Soo Han, Seong Chan PARK, Sung-Seock Hwang | 2006-12-05 |