Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695565 | VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same | Kwang Yong Eun, Keun-Mo Kim | 1997-12-09 |
| 5611862 | Method and apparatus for manufacturing head drums coated with diamond-like carbon coating film using high-frequency plasma | Kwang Yong Eun | 1997-03-18 |