Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000060 | Perpendicular magnetic recording medium and system having a magnetic recording layer with a perpendicular recording layer, a magnetic coupling layer, and a writing assist layer | Zhengang Zhang, Ikuko Takekuma | 2011-08-16 |
| 7875371 | Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same | Reiko Arai, Yoshinori Honda, Mineaki Kodama | 2011-01-25 |