Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255775 | Shadow mask, a method of manufacturing a color thin film electroluminescent display apparatus using the shadow mask, and a color thin film electroluminescent display apparatus | Ootsuki Shigeyoshi | 2001-07-03 |