Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7050680 | Optical coupling device having silicon optical bench and optical fiber with angled end face | Sung Hwan HWANG, Yeon-Duck Ryu, Sang Hwan Lee, Myeong-Hyun Kim, Hyun Jin Choi | 2006-05-23 |
| 6196495 | Reel for winding photosensitive film | Jae Young Hwang, Byeong-Il Lee, Kie Jin Park, Hyun-Seuk Choi, Chang-Hoon Na | 2001-03-06 |