Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10489598 | Infrastructure diagnostic system and method | In Chul Han, Seung Youl Maeng, Sung Hwan Choi, Min Ho Sung, Ji Yun Lee +8 more | 2019-11-26 |
| 7440672 | Optical fiber for optical amplifier and process for manufacturing thereof | Jae-Hong Lim, Dae Weon Kim | 2008-10-21 |
| 7391946 | Low attenuation optical fiber and its producing method in MCVD | Chan-Joo Lee, Ki-Wan Jang | 2008-06-24 |