Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6943458 | Semiconductor device and manufacturing method thereof, and registration accuracy measurement enhancement method | — | 2005-09-13 |
| 6849957 | Photomask including auxiliary mark area, semiconductor device and manufacturing method thereof | Masahiko Takeuchi, Atsushi Ueno | 2005-02-01 |