Issued Patents 2023
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11694718 | Substrate for magnetic disk, magnetic disk, and hard disk drive apparatus | — | 2023-07-04 |
| 11682424 | Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device | Masanobu Itaya | 2023-06-20 |
| 11682425 | Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer | Shinji Eda, Yoshitake Tanno, Mikio Ikenishi | 2023-06-20 |
| 11587585 | Magnetic-disk substrate and magnetic disk | Masanobu Itaya, Toshio Takizawa | 2023-02-21 |
| 11545178 | Substrate for magnetic disk and magnetic disk | — | 2023-01-03 |