Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833653 | Piezoelectric transformer device and housing for piezoelectric transformer and method of manufacturing them | Bu Whan Hyun, Gi Lyong Na | 2004-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833653 | Piezoelectric transformer device and housing for piezoelectric transformer and method of manufacturing them | Bu Whan Hyun, Gi Lyong Na | 2004-12-21 |