Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8867168 | Magnetic head for perpendicular magnetic recording having a write shield | Norikazu Ota, Masahiro Saito, Taro Oike, Takeo Kagami, Yosuke Antoku +4 more | 2014-10-21 |
| 8085038 | Method for testing noise of thin-film magnetic head, and magnetic disk drive apparatus with noise testing function | Takumi Uesugi, Takeo Kagami, Kei Hirata, Masaru Hirose, Chi Man Lee +1 more | 2011-12-27 |
| 7876537 | Magnetoresistive element incorporating conductive film disposed on peripheral surface of layered structure including spacer layer, free layer and pinned layer, the conductive film allowing conduction between the free layer and the pinned layer | Takumi Uesugi, Takeo Kagami, Kei Hirata | 2011-01-25 |
| 7864489 | Thin-film magnetic head having an antistatic layer preventing a protective coat from being electrostatically charged | Kei Hirata, Takeo Kagami, Takumi Uesugi | 2011-01-04 |
| 7843667 | Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device | Kei Hirata, Norikazu Ota, Yuichi Watabe, Takeo Kagami, Tetsuya Roppongi +6 more | 2010-11-30 |
| 7832085 | Method of manufacturing magnetic head and method of manufacturing magnetic head substructure | Takeo Kagami, Yuichi Watabe, Takamitsu Sakamoto | 2010-11-16 |
| 7542236 | Head slider, head gimbal assembly, and hard disk dirve | Norikazu Ota, Nobuya Oyama, Soji Koide | 2009-06-02 |
| 7418777 | Method on manufacturing spin valve film | Hajime Amano, Hiroaki Takezutsumi, Jun Sato | 2008-09-02 |
| 7224553 | Thin-film magnetic head, head gimbal assembly, and hard disk drive incorporating a heater | Nubuya Oyama, Eiichi Omata, Masashi Sano, Soji Koide | 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 | Soji Koide, Nobuya Oyama, Norikazu Ota | 2007-04-10 |
| 7184246 | Thin-film magnetic head having heater member and bump for electrical connection of heater member | Nobuya Oyama, Soji Koide, Norikazu Ota | 2007-02-27 |
| 7180707 | Thin-film magnetic head, head gimbal assembly, and hard disk drive | Soji Koide, Norikazu Ota, Nobuya Oyama | 2007-02-20 |
| 7155808 | Method of making thin film magnetic head | Soji Koide, Eiichi Omata, Masashi Sano, Nobuya Oyama | 2007-01-02 |
| 7113369 | Head slider, head gimbal assembly, and hard disk drive | Norikazu Ota, Nobuya Oyama, Soji Koide | 2006-09-26 |
| 7102856 | Head slider and manufacturing method thereof | Soji Koide, Norikazu Ota, Nobuya Oyama | 2006-09-05 |
| 7086141 | Manufacturing method of magnetoresistive effect sensor | Yoshihiro Tsuchiya | 2006-08-08 |
| 7086931 | Magnetic head bar holding unit, lapping device, and method of lapping medium-opposing surface of thin-film magnetic head | Nobuya Oyama, Norikazu Ota, Soji Koide, Osamu Fukuroi | 2006-08-08 |
| 6945847 | Method of lapping medium-opposing surface in thin-film magnetic head | Norikazu Ota, Takehiro Kamigama, Nobuya Oyama, Soji Koide | 2005-09-20 |
| 6907654 | Method of manufacturing spin valve film | Hajime Amano, Hiroaki Takezutsumi, Jun Sato | 2005-06-21 |
| 6636398 | Magnetoresistive effect sensor, thin-film magnetic head with the sensor, manufacturing method of magnetoresistive sensor and manufacturing method of thin-film magnetic head | Koichi Terunuma, Kosuke Tanaka | 2003-10-21 |
| 6563681 | Magnetoresistance effect film and magnetoresistance effect type head | Koichi Terunuma, Hiroaki Kawashima, Noriyuki Ito | 2003-05-13 |
| 6478884 | Method for manufacturing thin-film magnetic head with spin valve magnetoresistive sensor | Koji Shimazawa, Manabu Ohta | 2002-11-12 |
| 6462917 | Magnetoresistive sensor, a thin film magnetic head, a magnetic head device, and a magnetic disk drive device | Koichi Terunuma, Kosuke Tanaka, Takumi Uesugi | 2002-10-08 |
| 6406556 | Method for manufacturing thin-film magnetic head with magnetoresistive effect multi-layered structure | Koji Shimazawa, Manabu Ohta | 2002-06-18 |
| 6400535 | Magnetoresistive effect multi-layered structure and thin-film magnetic head with the magnetoresistive effect multi-layered structure | Koji Shimazawa, Manabu Ohta | 2002-06-04 |