Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362358 | Dry etching apparatus and method of forming a via hole in an interlayer insulator using same | Fumihide Sato | 1994-11-08 |
| 5331592 | Non-volatile semiconductor memory device with erasure control circuit | — | 1994-07-19 |
| 5282160 | Non-volatile semiconductor memory having double gate structure | — | 1994-01-25 |