Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702849 | Mask for transferring a pattern for use in a semiconductor device and method of manufacturing the same | Tadashi Nishioka | 1997-12-30 |
| 5622787 | Mask for transferring a pattern for use in a semiconductor device and method of manufacturing the same | Tadashi Nishioka | 1997-04-22 |