Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9607647 | Magnetic-disk glass substrate and magnetic disk | Masanobu Itaya | 2017-03-28 |
| 9589586 | Glass for magnetic recording media substrates, magnetic recording media substrates, magnetic recording media and method for preparation thereof | Yoichi Hachitani | 2017-03-07 |
| 9564166 | Magnetic-disk glass substrate and magnetic disk | Masanobu Itaya, Toshio Takizawa | 2017-02-07 |