Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599590 | Texture treatment for carbon substrate and for carbon overcoat layer of magnetic disks | Hidetaka Hayashi, Masago Kuwabara, Kazuo Muramatsu | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599590 | Texture treatment for carbon substrate and for carbon overcoat layer of magnetic disks | Hidetaka Hayashi, Masago Kuwabara, Kazuo Muramatsu | 1997-02-04 |