Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8462467 | Thin film magnetic head including soft layer magnetically connected with shield | Takumi Yanagisawa, Yasushi Nishioka, Takahiko Machita, Satoshi Miura, Takayasu Kanaya +6 more | 2013-06-11 |
| 8437106 | Thin film magnetic head including spin-valve film with free layer magnetically connected with shield | Takumi Yanagisawa, Yasushi Nishioka, Takahiko Machita, Satoshi Miura, Takayasu Kanaya +6 more | 2013-05-07 |
| 8174793 | Thin film magnetic head and magnetic disk device and electronic component | Yasuhiro Hasegawa, Hiroshi Fumoto, Yoshiaki Tanaka, Katsuya Kanakubo, Shingo Miyata +1 more | 2012-05-08 |
| 7872471 | Testing method of head element and magnetic recording and reproducing apparatus capable of head evaluating | Noboru Yamanaka, Yoshiyuki Mizoguchi, Eric Cheuk Wing Leung, Chris Leung, Leo Wai Kay Lau +1 more | 2011-01-18 |
| 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, Nobuya Oyama +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, Nobuya Oyama +2 more | 2009-09-01 |
| 7542236 | Head slider, head gimbal assembly, and hard disk dirve | Norikazu Ota, Tetsuro Sasaki, Nobuya Oyama | 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, Nobuya Oyama | 2008-06-10 |
| 7224553 | Thin-film magnetic head, head gimbal assembly, and hard disk drive incorporating a heater | Tetsuro Sasaki, Nubuya Oyama, Eiichi Omata, Masashi Sano | 2007-05-29 |
| 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 | Nobuya Oyama, 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, Nobuya Oyama, Norikazu Ota | 2007-02-27 |
| 7180707 | Thin-film magnetic head, head gimbal assembly, and hard disk drive | Norikazu Ota, Nobuya Oyama, Tetsuro Sasaki | 2007-02-20 |
| 7155808 | Method of making thin film magnetic head | Tetsuro Sasaki, Eiichi Omata, Masashi Sano, Nobuya Oyama | 2007-01-02 |
| 7113369 | Head slider, head gimbal assembly, and hard disk drive | Norikazu Ota, Tetsuro Sasaki, Nobuya Oyama | 2006-09-26 |
| 7102856 | Head slider and manufacturing method thereof | Norikazu Ota, Nobuya Oyama, 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 | Nobuya Oyama, Norikazu Ota, Tetsuro Sasaki, Osamu Fukuroi | 2006-08-08 |
| 6945847 | Method of lapping medium-opposing surface in thin-film magnetic head | Norikazu Ota, Takehiro Kamigama, Nobuya Oyama, Tetsuro Sasaki | 2005-09-20 |