Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698467 | Method of manufacturing an insulation layer having a flat surface | Masato Sakao | 1997-12-16 |
| 5689126 | Semiconductor memory device having stacked capacitor | — | 1997-11-18 |
| 5604696 | Stacked capacitor type semiconductor memory device with good flatness characteristics | — | 1997-02-18 |