Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5872035 | Method of forming a floating gate in a flash memory device | Sun Haeng Back | 1999-02-16 |
| 5702867 | Method for forming fine pattern in semiconductor device | — | 1997-12-30 |
| 4205493 | Portable chamfering grinding device | — | 1980-06-03 |