Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691571 | Semiconductor device having fine contact hole with high aspect ratio | Kazuyuki Hirose | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691571 | Semiconductor device having fine contact hole with high aspect ratio | Kazuyuki Hirose | 1997-11-25 |