Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373158 | Field-emission transmission electron microscope and operation method thereof | Hisaya Murakoshi | 1994-12-13 |
| 5324950 | Charged particle beam apparatus | Tadashi Otaka | 1994-06-28 |