Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874453 | Apparatus and method for plasma treatment of resin material | Takaoki Kaneko, Yoshinobu Takahashi | 1989-10-17 |
| 4844706 | Coating material supply device | Kazuo Katsuyama, Yutaka Ohhashi | 1989-07-04 |