Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11682424 | Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device | Kinobu Osakabe | 2023-06-20 |
| 11587585 | Magnetic-disk substrate and magnetic disk | Kinobu Osakabe, Toshio Takizawa | 2023-02-21 |