Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326312 | Contact hole of semiconductor and its forming method | — | 2001-12-04 |
| 5200828 | Autofocusing device for use in a video camera and an autofocusing method thereof | Seong Il Jang, Jae K. Chong, Sung Hoon Lee, Min Hwan Song, Ook Kim | 1993-04-06 |
| 5098294 | Dental implant | Chong LEE | 1992-03-24 |
| 5029865 | Golf club | — | 1991-07-09 |
| 5006068 | Dental implant | Chong LEE | 1991-04-09 |
| 4951953 | Golf club | — | 1990-08-28 |