Issued Patents All Time
Showing 101–102 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875328 | Optical film and information technology apparatus comprising the same | Jun-Geun Um, Nam-Jeong Lee, Jong Hun Lee, Dong-Ryul Kim, Sae-Han Cho | 2011-01-25 |
| 7380462 | Apparatus and method for measuring supporting force of large diameter ferroconcrete piles | Yong Kyu Choi | 2008-06-03 |