Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11094345 | Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device | Kinobu Osakabe | 2021-08-17 |
| 11081134 | Hard disk drive with magnetic-disk substrate and hard disk drive with magnetic disk | Kinobu Osakabe, Toshio Takizawa | 2021-08-03 |