Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9885104 | Method for eliminating mask self-magnetization, substrate manufacturing method and mask testing device | Yan Wu, Yuedong Shang, Yongkai WU, Jianbin Feng, Guoping Zhang +1 more | 2018-02-06 |