Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824309 | Vacuum processing unit and apparatus | Norio Nakazato, Yoshimasa Fukushima, Fumio Shibata, Tsunehiko Tsubone, Norio Kanai | 1989-04-25 |
| 4795529 | Plasma treating method and apparatus therefor | Yoshinao Kawasaki, Hironobu Kawahara, Kado Hirobe, Katsuyoshi Kudo | 1989-01-03 |