Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924533 | Multi-channel head | Kazuhiko Maejima, Yoshiyuki Mizoguchi, Hiraku Hirabayashi, Hiroki Matsukuma, Naoto Matono | 2011-04-12 |
| 7828985 | Method of producing thin film magnetic head | Yuji Ito, Hiraku Hirabayashi, Yoshiyuki Mizoguchi | 2010-11-09 |
| 7770438 | Head slider, glide height checking apparatus, and glide height checking method | Hiroshi Kiyono, Katsuki Kurihara, Noboru Yamanaka, Chung Keung Ho, Cheung Kwan Lau +1 more | 2010-08-10 |
| 7623322 | Thin-film magnetic head with heater spaced further from medium facing surface than split in shield | Tsuyoshi Umehara, Norikazu Ota, Katsumichi Tagami, Hiroki Matsukuma, Soji Koide +2 more | 2009-11-24 |
| 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, Norikazu Ota, Katsumichi Tagami, Hiroki Matsukuma, Soji Koide +2 more | 2009-09-01 |
| 7542236 | Head slider, head gimbal assembly, and hard disk dirve | Norikazu Ota, Tetsuro Sasaki, Soji Koide | 2009-06-02 |
| 7384327 | Method for grinding a bar of thin film magnetic elements utilizing a plurality of resistive films | Yoshiyuki Mizoguchi, Kazuhide Yamada, Tsuyoshi Umehara, Soji Koide | 2008-06-10 |
| 7203035 | Thin-film magnetic head having a sheet-shaped heater with a lead part connected in series with the heater and having a resistance lower than the heater | Soji Koide, Norikazu Ota, Tetsuro Sasaki | 2007-04-10 |
| 7184246 | Thin-film magnetic head having heater member and bump for electrical connection of heater member | Tetsuro Sasaki, Soji Koide, Norikazu Ota | 2007-02-27 |
| 7180707 | Thin-film magnetic head, head gimbal assembly, and hard disk drive | Soji Koide, Norikazu Ota, Tetsuro Sasaki | 2007-02-20 |
| 7155808 | Method of making thin film magnetic head | Tetsuro Sasaki, Soji Koide, Eiichi Omata, Masashi Sano | 2007-01-02 |
| 7113369 | Head slider, head gimbal assembly, and hard disk drive | Norikazu Ota, Tetsuro Sasaki, Soji Koide | 2006-09-26 |
| 7102856 | Head slider and manufacturing method thereof | Soji Koide, Norikazu Ota, Tetsuro Sasaki | 2006-09-05 |
| 7086931 | Magnetic head bar holding unit, lapping device, and method of lapping medium-opposing surface of thin-film magnetic head | Norikazu Ota, Soji Koide, Tetsuro Sasaki, Osamu Fukuroi | 2006-08-08 |
| 6945847 | Method of lapping medium-opposing surface in thin-film magnetic head | Norikazu Ota, Takehiro Kamigama, Soji Koide, Tetsuro Sasaki | 2005-09-20 |
| 6687096 | Thin-film magnetic head and method of manufacturing same | Yoshitaka Sasaki | 2004-02-03 |
| 6667849 | Thin film magnetic head and the manufacturing method | Yoshitaka Sasaki | 2003-12-23 |
| 6577475 | Thin-film magnetic head having reduced yoke length and method of manufacturing same | Yoshitaka Sasaki, Atsushi Iijima, Noboru Yamanaka | 2003-06-10 |
| 6542339 | Inverted hybrid thin film magnetic head and method of manufacturing the same | Yoshitaka Sasaki, Makoto Yoshida, Tsutomu Koyanagi | 2003-04-01 |
| 6270588 | Magnetoresistive effect sensor, thin-film magnetic head with the sensor and manufacturing method of the thin-film magnetic head | Ken Takano, Masato Takahashi | 2001-08-07 |
| 6259585 | Inverted hybrid thin film magnetic head and method of manufacturing the same | Yoshitaka Sasaki, Makoto Yoshida, Tsutomu Koyanagi | 2001-07-10 |