Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863581 | Hollow cathode gun and deposition device for ion plating process | Osamu Ohkubo | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863581 | Hollow cathode gun and deposition device for ion plating process | Osamu Ohkubo | 1989-09-05 |