Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322748 | Photomask and a method of manufacturing thereof comprising trapezoidal shaped light blockers covered by a transparent layer | Shuichi Matsuda | 1994-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322748 | Photomask and a method of manufacturing thereof comprising trapezoidal shaped light blockers covered by a transparent layer | Shuichi Matsuda | 1994-06-21 |