Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5822139 | Method of detecting thermal asperity error of MR head and magnetic disk certifier using the same method | — | 1998-10-13 |
| 5675462 | Disk used for calibrating floating height of protrusion detection head, method of calibrating floating height of protrusion detection head using the disk and glide tester using the method | — | 1997-10-07 |