Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831308 | Ion beam gun wherein the needle emitter is surrounded by a tubular nozzle so as to produce an increased ion beam | Morikazu Konishi | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831308 | Ion beam gun wherein the needle emitter is surrounded by a tubular nozzle so as to produce an increased ion beam | Morikazu Konishi | 1989-05-16 |