| 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 |
| 7843667 |
Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device |
Kei Hirata, Norikazu Ota, Tetsuro Sasaki, Takeo Kagami, Tetsuya Roppongi +6 more |
2010-11-30 |
| 7832085 |
Method of manufacturing magnetic head and method of manufacturing magnetic head substructure |
Takeo Kagami, Tetsuro Sasaki, Takamitsu Sakamoto |
2010-11-16 |
| 7518826 |
Perpendicular magnetic recording head and magnetic recording apparatus |
Naoto Matono |
2009-04-14 |
| 7457080 |
Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus |
Susumu Aoki, Reiichi Kurumisawa, Yasuyuki Notsuke, Norikazu Ota |
2008-11-25 |
| 7453668 |
Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus |
Susumu Aoki, Reiichi Kurumisawa, Norikazu Ota, Yasuyuki Notsuke |
2008-11-18 |
| 7433152 |
Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus |
Susumu Aoki, Reiichi Kurumisawa, Yasuyuki Notsuke, Norikazu Ota |
2008-10-07 |
| 7379268 |
Thin-film magnetic head including non-magnetic layer for maintaining flatness of the top surface of pole portion layer |
Yoshikazu Sato, Tetsuya Roppongi |
2008-05-27 |
| 7245454 |
Magnetic head for vertical magnetic recording including main pole layer having varying width and thickness, head gimbal assembly, and hard disk drive |
Susumu Aoki, Yasuyuki Notsuke, Norikazu Ota, Tetsuya Roppongi |
2007-07-17 |
| 7219414 |
Method of manufacturing magnetic head for perpendicular magnetic recording |
Susumu Aoki, Yasuyuki Notsuke, Tetsuya Roppongi |
2007-05-22 |
| 7154707 |
Thin film magnetic head and magnetic recording apparatus |
Norikazu Ota, Yasuyuki Notsuke, Susumu Aoki, Tetsuya Roppongi, Naoto Matono |
2006-12-26 |
| 7061719 |
Thin film magnetic head and method of manufacturing the same |
Naoto Matono, Norikazu Ota, Susumu Aoki, Yasuyuki Notsuke |
2006-06-13 |
| 6922316 |
Thin-film magnetic head and method of manufacturing same |
Yoshikazu Sato, Tetsuya Roppongi |
2005-07-26 |
| 6850390 |
Thin-film magnetic head and method of manufacturing same |
Yoshikazu Sato, Tetsuya Roppongi |
2005-02-01 |
