Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8326445 | Message string correspondence sound generation system | Saang Cheol Baak | 2012-12-04 |
| 6111457 | Internal power supply circuit for use in a semiconductor device | Jong-Hyoung Lim, Sang-Seok Kang, Jae-Hoon Joo | 2000-08-29 |