Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246087 | Memory cell structure for semiconductor memory device | Chang Jae Lee | 2001-06-12 |
| 6156601 | Method of forming DRAM matrix of basic organizational units each with pair of capacitors with hexagon shaped planar portion | Chang Jae Lee, Kong Hee Park | 2000-12-05 |
| 5959321 | DRAM matrix of basic organizational units each with pair of capacitors with hexagon shaped planar portion | Chang Jae Lee, Kong Hee Park | 1999-09-28 |
| 5897350 | Memory cell structure for semiconductor memory device and fabricating method thereof | Chang Jae Lee | 1999-04-27 |