Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064163 | Perpendicular magnetic write head having a thin film coil generating a magnetic flux and method of manufacturing perpendicular magnetic write head, and magnetic write device | Norikazu Ota, Tetsuya Roppongi | 2011-11-22 |
| 7974046 | Thin-film magnetic head with heating portion and protrusion adjustment portion, head gimbal assembly equipped head, magnetic recording/reproducing apparatus equipped HGA, and manufacturing method of head | Norikazu Ota, Tetsuya Roppongi, Hiraku Hirabayashi | 2011-07-05 |
| 7920357 | Magnetic recording method using ferromagnetic resonance and thin-film magnetic head for using the method | Isamu Sato, Tetsuya Roppongi, Norikazu Ota, Hiroshi Ikeda, Mikio Matsuzaki | 2011-04-05 |