Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214163 | Method and apparatus for correcting astigmatism in a scanning electron microscope or the like | Teruo Someya | 1980-07-22 |
| 4199681 | Method and apparatus for automatically focusing an electron beam in a scanning beam device | — | 1980-04-22 |