Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562688 | Method of manufacturing a bipolar device | Byung-Ryul Ryum, Soo Min Lee, Deok-Ho Cho | 2003-05-13 |
| 6552374 | Method of manufacturing bipolar device and structure thereof | Byung-Ryul Ryum, Soo Min Lee, Deok-Ho Cho | 2003-04-22 |