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 | Yaichiro Watakabe | 1994-06-21 |
SM
Shuichi Matsuda
Overall (1994): #68,668 of 165,921Top 45%
1
Patents 1994