Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824309 | Vacuum processing unit and apparatus | Yutaka Kakehi, Norio Nakazato, Fumio Shibata, Tsunehiko Tsubone, Norio Kanai | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824309 | Vacuum processing unit and apparatus | Yutaka Kakehi, Norio Nakazato, Fumio Shibata, Tsunehiko Tsubone, Norio Kanai | 1989-04-25 |