Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698467 | Method of manufacturing an insulation layer having a flat surface | Yoshihiro Takaishi | 1997-12-16 |
| 5652446 | Semiconductor memory device with improved capacitor | — | 1997-07-29 |