Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057926 | Perpendicular magnetic recording medium | Kenji Ayama, Tokichiro Sato, Teiichiro Umezawa, Masafumi Ishiyama | 2011-11-15 |
| 7993765 | Perpendicular magnetic recording medium | Kong-Kyeom Kim, Kinobu Osakabe | 2011-08-09 |
| 7972662 | Substrate for information recording medium, information recording medium and process for producing information recording medium | Mikio Ikenishi, Xuelu Zou, Kenji Yamanaka | 2011-07-05 |