Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6429651 | Differential spiral magnetic field sensing device and magnetic field detection module using the same | Han Ki Cho | 2002-08-06 |
| 6411086 | Differential solenoidal magnetic field sensing device and method for manufacturing the same | Han Ki Cho | 2002-06-25 |