Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723640 | Method for forming contact plug of semiconductor device | Sung-Kwon Lee, Dong-Sauk Kim, Ho Seok Lee, Sang-Ik Kim | 2004-04-20 |
| 6723655 | Methods for fabricating a semiconductor device | Jong Goo Jung | 2004-04-20 |
| 6622580 | Backlash-free speed reducing device | Pyung Hun Chang, Ju Yi PARK, Je Hyung Jung, Bo Kyoung Jeon | 2003-09-23 |