Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956741 | Magnetic recording media with small grain size and narrow c-axis dispersion by using dual seed layer with substrate bias | Tuqiang Li, Donald C. Stafford, Tsutomu Yamashita | 2015-02-17 |
| 8597723 | Perpendicular magnetic recording medium with single domain exchange-coupled soft magnetic underlayer and device incorporating same | Hong-Sik Jung, Emur M. Velu, Jackie Tsoi Jung, Gerardo A. Bertero | 2013-12-03 |
| 8488276 | Perpendicular magnetic recording medium with grain isolation magnetic anistropy layer | Hong-Sik Jung, Donald C. Stafford, B. Ramamurthy Acharya, Gerardo A. Bertero | 2013-07-16 |
| 8394243 | Sputtered cobalt oxide for perpendicular magnetic recording medium with low media noise | Hong-Sik Jung, Donald C. Stafford, B. Ramamurthy Acharya, Gerardo A. Bertero | 2013-03-12 |
| 7179549 | Magnetic recording medium having novel underlayer structure | Gerardo A. Bertero, Ching Tsoi, Donald C. Stafford | 2007-02-20 |
| 7070870 | Magnetic media with improved exchange coupling | Gerardo A. Bertero, David Wachenschwanz, Zhengsheng Shan, Donald C. Stafford | 2006-07-04 |
| 6899959 | Magnetic media with improved exchange coupling | Gerardo A. Bertero, David Wachenschwanz, Zhengsheng Shan, Donald C. Stafford | 2005-05-31 |
| 6893748 | Soft magnetic film for perpendicular recording disk | Gerardo A. Bertero, David Wachenschwanz, Emur M. Velu | 2005-05-17 |
| 6303217 | Longitudinal recording medium with a dual underlayer | Brij B. Lal, Michael A. Russak | 2001-10-16 |
| 6146737 | Magnetic recording medium having a nitrogen-containing barrier layer | Brij B. Lal, James L. Chao, Michael A. Russak | 2000-11-14 |
| 6007924 | Magnetic recording medium having a multilayer magnetic recording structure including a 10-30 angstrom CoCr interlayer | Brij B. Lal, Michael A. Russak | 1999-12-28 |
| 5922442 | Magnetic recording medium having a CoCr alloy interlayer of a low saturation magnetization | Brij B. Lal, Michael A. Russak | 1999-07-13 |
| 5849386 | Magnetic recording medium having a prelayer | Brij B. Lal, Michael A. Russak | 1998-12-15 |