Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880975 | Fine adjustment mechanism for a scanning tunneling microscope | Takao Yasue, Hiroshi Koyama | 1989-11-14 |
| 4853341 | Process for forming electrodes for semiconductor devices using focused ion beams | Yoji Mashiko, Hiroaki Morimoto, Hiroshi Koyama | 1989-08-01 |
| 4843238 | Method for identifying a blistered film in layered films | Hiroaki Morimoto, Yoji Mashiko, Hiroshi Koyama | 1989-06-27 |
| 4837445 | Coarse adjusting device of scanning tunneling microscope | Takao Yasue, Hiroshi Koyama | 1989-06-06 |