Issued Patents All Time
Showing 26–50 of 70 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 | Tetsuya Roppongi, Yuichi Watabe | 2011-11-22 |
| 8018675 | Thin film magnetic head | Minoru Shinoda | 2011-09-13 |
| 7983009 | Magnetic recording/reproducing system, and thin-film magnetic head having shield layers of specified widths | Tetsuya Roppongi | 2011-07-19 |
| 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 | Tetsuya Roppongi, Hiraku Hirabayashi, Yuichi Watabe | 2011-07-05 |
| 7961429 | Thin-film magnetic head having heating element with lower-resistance portion | Katsuki Kurihara | 2011-06-14 |
| 7948716 | Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing same | Naoto Matono, Koichi Otani, Tatsuya Harada, Noriaki Kasahara, Takamitsu Sakamoto +3 more | 2011-05-24 |
| 7920357 | Magnetic recording method using ferromagnetic resonance and thin-film magnetic head for using the method | Isamu Sato, Tetsuya Roppongi, Yuichi Watabe, Hiroshi Ikeda, Mikio Matsuzaki | 2011-04-05 |
| 7903370 | Thin-film magnetic head with coil-insulating layer that thermal expansion coefficient and young'S modulus are specified | Katsuki Kurihara, Hiraku Hirabayashi | 2011-03-08 |
| 7843667 | Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device | Kei Hirata, Yuichi Watabe, Tetsuro Sasaki, Takeo Kagami, Tetsuya Roppongi +6 more | 2010-11-30 |
| 7667928 | Thin-film magnetic head having a width-thickness configured shield layer positioned by spacer pieces for use in a head gimbal assembly of a hard disk system | Hiraku Hirabayashi | 2010-02-23 |
| 7649713 | Thin-film magnetic head with heating element and heatsink | Katsuki Kurihara, Hiraku Hirabayashi, Taro Oike, Hiroki Matsukuma | 2010-01-19 |
| 7633703 | Measuring method of flying height and magnetic disk drive apparatus capable of adjusting flying height | — | 2009-12-15 |
| 7623322 | Thin-film magnetic head with heater spaced further from medium facing surface than split in shield | Tsuyoshi Umehara, Katsumichi Tagami, Hiroki Matsukuma, Nobuya Oyama, Soji Koide +2 more | 2009-11-24 |
| 7612965 | Thin-film magnetic head having heatsink wider on air bearing surface side | Katsuki Kurihara, Taro Oike, Hiraku Hirabayashi | 2009-11-03 |
| 7583479 | Thin-film magnetic head with heater in overcoat multilayer, head gimbal assembly with thin-film magnetic head, and magnetic disk drive apparatus with head gimbal assembly | Tsuyoshi Umehara, Katsumichi Tagami, Hiroki Matsukuma, Nobuya Oyama, Soji Koide +2 more | 2009-09-01 |
| 7554766 | Magnetic head for perpendicular magnetic recording in which gap thickness and pole layer shape are defined for suppressing occurrence of pole erase phenomenon | Tetsuya Roppongi | 2009-06-30 |
| 7542236 | Head slider, head gimbal assembly, and hard disk dirve | Tetsuro Sasaki, Nobuya Oyama, Soji Koide | 2009-06-02 |
| 7522376 | Perpendicular magnetic recording head and method of manufacturing the same | Naoto Matono, Tetsuya Roppongi | 2009-04-21 |
| 7457080 | Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus | Yuichi Watabe, Susumu Aoki, Reiichi Kurumisawa, Yasuyuki Notsuke | 2008-11-25 |
| 7453668 | Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus | Susumu Aoki, Reiichi Kurumisawa, Yasuyuki Notsuke, Yuichi Watabe | 2008-11-18 |
| 7433152 | Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus | Yuichi Watabe, Susumu Aoki, Reiichi Kurumisawa, Yasuyuki Notsuke | 2008-10-07 |
| 7420776 | Thin-film magnetic head, head gimbal assembly, and hard disk drive | Noboru Yamanaka | 2008-09-02 |
| 7391590 | Thin film magnetic head and magnetic recording apparatus with partitioned heat sink layer | Naoto Matono, Mitsuo Otsuki | 2008-06-24 |
| 7283328 | Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, magnetic disk drive apparatus with head gimbal assembly, method for designing thin-film magnetic head and manufacturing method of thin-film magnetic head | Kenji Inage, Taro Oike | 2007-10-16 |
| 7253993 | Head slider with precise positioning actuator and manufacturing method of the head slider | Takeshi Wada, Masashi Shiraishi, Takashi Honda | 2007-08-07 |