Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9470971 | Mask blank, transfer mask, and methods of manufacturing the same | Masafumi Ishiyama | 2016-10-18 |
| 9349404 | Perpendicular magnetic recording disc | Kazuaki Sakamoto | 2016-05-24 |
| 9240204 | Perpendicular magnetic recording disc | Takenori Kajiwara, Tokichiro Sato | 2016-01-19 |