Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312528 | Etchant composition and manufacturing method of display device using the same | Jong Hee Park, Hyoung Sik Kim, Sang-Hyuk Lee, Young Kwang Kim, Dong Ho Kang +6 more | 2025-05-27 |
| 7486613 | Protection-switching apparatus and method in asynchronous transfer mode system with ring topology | — | 2009-02-03 |
| 7330471 | Multi digital subscriber line access multiplexor system | — | 2008-02-12 |
| 7263101 | Host digital terminal | Seung-Ki Jang | 2007-08-28 |
| 7076167 | Optical network unit | Dong Seon Kim | 2006-07-11 |
| 5982835 | Digital processing phase lock loop for synchronous digital micro-wave apparatus | Sug-Geun Kang | 1999-11-09 |