Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11430628 | Cathode mechanism of electron gun, electron gun, and electron beam writing apparatus | — | 2022-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11430628 | Cathode mechanism of electron gun, electron gun, and electron beam writing apparatus | — | 2022-08-30 |