Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618448 | Glass substrate having surface protrusions for use as a magnetic disc substrate | Fumiaki Yokoyama, Daisuke Mouri | 1997-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618448 | Glass substrate having surface protrusions for use as a magnetic disc substrate | Fumiaki Yokoyama, Daisuke Mouri | 1997-04-08 |