Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880977 | Analytical electron microscope | Ken-ichi Tomita | 1989-11-14 |
| 4871912 | Control system using external computer for electron microscope | Yasushi Kokubo, Keisuke Suzuki | 1989-10-03 |