Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463449 | Magnetic head for perpendicular magnetic recording, head gimbal assembly, head arm assembly and magnetic disk drive | Kei Hirata, Atsushi Yamaguchi, Tetsuya Roppongi | 2008-12-09 |
| 7440238 | Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus | Kei Hirata, Atsushi Yamaguchi | 2008-10-21 |
| 7372667 | Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, head arm assembly with head gimbal assembly, magnetic disk drive apparatus with head gimbal assembly and manufacturing method of thin-film magnetic head | Taro Oike, Hiraku Hirabayashi, Shin Narushima, Takamitsu Sakamoto | 2008-05-13 |
| 7359146 | Perpendicular magnetic recording element having stacked FM and AFM films applying magnetic bias along easy axis of soft magnetic film | Kei Hirata, Tetsuya Mino, Tetsuya Roppongi | 2008-04-15 |
| 7321480 | Thin-film magnetic head having magnetic layers of different thicknesses and fabrication method for same | Taro Oike, Shin Narushima, Takamitsu Sakamoto, Hiraku Hirabayashi | 2008-01-22 |
| 7312951 | Magnetic head for perpendicular magnetic recording | Kei Hirata, Tetsuya Roppongi, Atsushi Yamaguchi | 2007-12-25 |
| 7262941 | FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structures | Min Li, Simon Liao, Masashi Sano, Kochan Ju, Cheng T. Horng | 2007-08-28 |
| 7248435 | Thin-film magnetic head with gap and pole portion layers having cross sections of the same shapes and predetermined parameter ranges | Taro Oike, Seiji Yari | 2007-07-24 |
| 7239480 | Thin film magnetic head having an upper pole portion with a width that increases towards an abs | Hiraku Hirabayashi, Taro Oike, Shin Narushima, Takamitsu Sakamoto | 2007-07-03 |
| 6909583 | FeTa nano-oxide layer in pinned layer for enhancement of giant magnetoresistance in bottom spin valve structures | Min Li, Simon Liao, Masashi Sano, Kochan Ju, Cheng T. Horng | 2005-06-21 |
| 6773515 | FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structures | Min Li, Simon Liao, Masashi Sano, Kochan Ju, Cheng T. Horng | 2004-08-10 |
| 6581272 | Method for forming a bottom spin valve magnetoresistive sensor element | Min Li, Simon Liao, Masashi Sano, Kochan Ju, Cheng T. Horng | 2003-06-24 |
| 5968676 | Magnetoresistance effect film and magnetoresistance effect type head | Satoru Araki | 1999-10-19 |
| 5958611 | Magnetic multilayered film, magnetoresistance effect element and magnetoresistance device | Manabu Ohta, Masashi Sano, Satoru Araki, Taro Oike | 1999-09-28 |
| 5862022 | Ferromagnetic tunnel junction, magnetoresistive element and magnetic head | Taro Oike, Satoru Araki, Manabu Ohta, Masashi Sano | 1999-01-19 |
| 4816933 | Magnetic recording medium of particular coercive force, filling ratio, and protrusions and recording/reproducing method therefor | Toshiaki Izumi, Hisae Shimizu, Misao Kohmoto | 1989-03-28 |
| 4758471 | Magnetic recording medium | Hiroyuki Arioka, Koji Kobayashi | 1988-07-19 |
| 4599280 | Magnetic recording medium | Toshiaki Izumi, Misao Kohmoto | 1986-07-08 |
| 4596735 | Magnetic recording medium and method for making | Koji Kobayashi, Suguru Takayama | 1986-06-24 |
| 4594296 | Magnetic recording medium | Kouji Kobayashi, Suguru Takayama | 1986-06-10 |
| 4550062 | Magnetic recording medium | Suguru Takayama, Kouji Kobayashi | 1985-10-29 |
| 4548871 | Magnetic recording medium | Kouji Kobayashi, Suguru Takayama | 1985-10-22 |
| 4540600 | Process for producing a magnetic recording medium | Koji Kobayashi, Suguru Takayama | 1985-09-10 |
| 4400444 | Magnetic recording media and process of producing them | Toshiaki Izumi, Fumio Maruta, Takayoshi Kobuke | 1983-08-23 |