Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6571781 | Exhaust gas assisted fuel injection system for internal combustion engine | Gyu Baek Cho | 2003-06-03 |
| 6188104 | Trench DMOS device having an amorphous silicon and polysilicon gate | Mun-heui Choi | 2001-02-13 |