Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12087848 | Power semiconductor device with reduced loss and manufacturing method the same | Kwang-Hoon Oh, Jin Young Jung, Chongman Yun | 2024-09-10 |
| 8269304 | MOS gate power semiconductor device with anode of protection diode connected to collector electrode | Kwang-Hoon Oh, Byoung-Ho Choo, Chong-man Yun | 2012-09-18 |
| 6448588 | Insulated gate bipolar transistor having high breakdown voltage in reverse blocking mode | Chong-man Yun, Young Dae Kwon | 2002-09-10 |
| 6114212 | Methods of fabricating bipolar junction transistors having an increased safe operating area | Sang Yong Lee, Jun Soo Kim | 2000-09-05 |
| 5893736 | Methods of forming insulated gate semiconductor devices having spaced epitaxial JFET regions therein | Sang Yong Lee | 1999-04-13 |
| 5872391 | Bipolar junction transistors having an increased safe operating area | Sang Yong Lee, Jun Soo Kim | 1999-02-16 |