Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624862 | Method of making a mask ROM with a groove | — | 1997-04-29 |
| 5614747 | Method for manufacturing a flash EEPROM cell | Byung Jin Ahn, Hee Youl Lee | 1997-03-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624862 | Method of making a mask ROM with a groove | — | 1997-04-29 |
| 5614747 | Method for manufacturing a flash EEPROM cell | Byung Jin Ahn, Hee Youl Lee | 1997-03-25 |