Issued Patents All Time
Showing 76–100 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8472140 | Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head | Hitoshi Iwasaki, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita, Katsuhiko Koui +2 more | 2013-06-25 |
| 8467148 | Spin torque oscillator, magnetic recording head, magnetic head assembly and magnetic recording apparatus | Hitoshi Iwasaki, Soichi Oikawa, Katsuhiko Koui | 2013-06-18 |
| 8446691 | Magnetic recording device | Masayuki Takagishi, Hitoshi Iwasaki, Katsuhiko Koui, Tomomi Funayama, Masahiro Takashita +2 more | 2013-05-21 |
| 8400734 | Magnetic recording head and magnetic recording apparatus | Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +3 more | 2013-03-19 |
| 8325442 | Spin torque oscillator, magnetic recording head, magnetic head assembly and magnetic recording apparatus | Katsuhiko Koui, Mariko Shimizu | 2012-12-04 |
| 8320079 | Magnetic head assembly and magnetic recording/reproducing apparatus | Hitoshi Iwasaki, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita, Mariko Shimizu +2 more | 2012-11-27 |
| 8295009 | Magnetic recording head and magnetic recording apparatus | Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +3 more | 2012-10-23 |
| 8270112 | Magnetic head with spin oscillation device(s) and magnetic recording device | Tomomi Funayama, Masayuki Takagishi, Masahiro Takashita, Mariko Shimizu, Junichi Akiyama +1 more | 2012-09-18 |
| 8264799 | Magnetic recording head | Junichi Akiyama, Masayuki Takagishi, Hitoshi Iwasaki | 2012-09-11 |
| 8238060 | Magnetic recording head and magnetic recording apparatus | Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +3 more | 2012-08-07 |
| 8238058 | Magnetic recording head, magnetic head assembly, and magnetic recording apparatus | Mariko Shimizu, Hitoshi Iwasaki, Katsuhiko Koui, Masayuki Takagishi, Tomomi Funayama +2 more | 2012-08-07 |
| 8233230 | Method and apparatus for controlling head with spin-torque oscillator in a disk drive | Koji Yano, Kazuhito Shimomura, Akihiko Takeo, Masayuki Takagishi | 2012-07-31 |
| 8164997 | Optical disc apparatus for conducting information recording or reproduction on an optical disc | Takeyoshi Kataoka | 2012-04-24 |
| 8164854 | Magnetic recording head with spin oscillation device and magnetic recording apparatus including the magnetic recording head | Masayuki Takagishi, Hitoshi Iwasaki, Junichi Akiyama, Tomomi Funayama, Masahiro Takashita +1 more | 2012-04-24 |
| 8154825 | Magnetic recording head and magnetic recording device | Masahiro Takashita, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +1 more | 2012-04-10 |
| 8139322 | Magnetic recording head with protruding spin torque oscillator | Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +1 more | 2012-03-20 |
| 8120875 | Magnetic recording apparatus utilizing a spin torque oscillator which interacts with an antenna layer in the magnetic recording medium | Masayuki Takagishi, Hitoshi Iwasaki, Tomomi Funayama, Masahiro Takashita, Mariko Shimizu | 2012-02-21 |
| 8081397 | Magnetic head assembly and magnetic recording apparatus | Tomomi Funayama, Katsuhiko Koui, Hitoshi Iwasaki, Masayuki Takagishi, Masahiro Takashita +2 more | 2011-12-20 |
| 8064244 | Thin seeded Co/Ni multilayer film with perpendicular anisotropy for spintronic device applications | Kunliang Zhang, Min Li, Yuchen Zhou, Soichi Oikawa, Katsuhiko Koui | 2011-11-22 |
| 8027118 | Method and apparatus for controlling head with spin-torque oscillator in a disk drive | Toru Ezawa, Shuichi Kojima, Masahide Kanegae, Katsuhiko Koui, Masayuki Takagishi | 2011-09-27 |
| 7957098 | Magnetic recording head and magnetic recording apparatus | Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +3 more | 2011-06-07 |
| 7791829 | Apparatus for assisting write operation using high frequency magnetic field in disk drive | Akihiko Takeo, Junichi Akiyama, Hitoshi Iwasaki, Masayuki Takagishi, Tomomi Funayama +2 more | 2010-09-07 |
| 7197813 | Method of accurate evaluation on magnetoresistive read element | Naoki Mukoyama, Hitoshi Kanai, Manabu Watanabe, Norikazu Ozaki, Kazuaki Satoh | 2007-04-03 |
| 6876524 | Magnetoresistive transducer having stronger longitudinal bias field | Ikuya Tagawa | 2005-04-05 |
| 6829122 | Magnetic head of a magnetoresistance type having an underlying layer having a laminated structure of a tungsten-group metal layer formed on a tantalum-group metal layer | Naoki Mukoyama, Hidehiko Suzuki, Hitoshi Kanai | 2004-12-07 |