Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9697860 | Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate | — | 2017-07-04 |
| 9595284 | Glass substrate for magnetic disk and magnetic disk | Masanori Tamaki, Takeyoshi Takahashi | 2017-03-14 |
| 9595286 | Glass substrate for magnetic disk and magnetic disk | Masanori Tamaki, Takeyoshi Takahashi | 2017-03-14 |
| 9583128 | Magnetic-disk glass substrate and magnetic disk | Takeyoshi Takahashi | 2017-02-28 |