Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7697249 | Voltage clamping circuits using MOS transistors and semiconductor chips having the same and methods of clamping voltages | Kyoung-Sik Im, Han KIM, Jae-Hyok Ko, Suk-jin Kim | 2010-04-13 |
| 7319347 | Bidirectional high voltage switching device and energy recovery circuit having the same | Yoon-Jay Cho, Jae-Il Byeon | 2008-01-15 |