Issued Patents All Time
Showing 51–75 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8724262 | Magnetic head and magnetic recording/reproduction apparatus that decreases oscillation driving voltage of a spin torque oscillation element | — | 2014-05-13 |
| 8717705 | Magnetic recording head and magnetic recording apparatus including the same | Kenichiro Yamada, Naoyuki Narita, Akihiko Takeo | 2014-05-06 |
| 8705204 | Recording head with high-frequency oscillator and bi-layer main pole height/width arrangement | Tomoko Taguchi, Kenichiro Yamada, Tomomi Funayama, Norihito Fujita | 2014-04-22 |
| 8675308 | Magnetic recording head with high frequency oscillator and disk drive with the same | Kenichiro Yamada, Takuya Matsumoto, Naoyuki Narita, Tomoko Taguchi, Akihiko Takeo | 2014-03-18 |
| 8605391 | Magnetic head and magnetic recording and reproducing device | Shuichi Murakami, Mariko Kitazaki, Yusuke Tomoda, Norihito Fujita | 2013-12-10 |
| 8559134 | Radio frequency magnetic field assisted recording head, head assembly, amd recording apparatus | Kenichiro Yamada, Hitoshi Iwasaki | 2013-10-15 |
| 8553359 | Magnetic recording head and magnetic recording/reproducing apparatus using the same | Kenichiro Yamada, Mariko Kitazaki, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +2 more | 2013-10-08 |
| 8488373 | Spin injection layer robustness for microwave assisted magnetic recording | Kunliang Zhang, Min Li, Yuchen Zhou, Soichi Oikawa, Hitoshi Iwasaki +1 more | 2013-07-16 |
| 8472140 | Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head | Kenichiro Yamada, Hitoshi Iwasaki, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +2 more | 2013-06-25 |
| 8467148 | Spin torque oscillator, magnetic recording head, magnetic head assembly and magnetic recording apparatus | Hitoshi Iwasaki, Soichi Oikawa, Kenichiro Yamada | 2013-06-18 |
| 8467149 | Spin torque oscillator and magnetic recording apparatus | Akihiko Takeo, Norihito Fujita, Mariko Kitazaki, Hitoshi Iwasaki | 2013-06-18 |
| 8446691 | Magnetic recording device | Masayuki Takagishi, Hitoshi Iwasaki, Kenichiro Yamada, Tomomi Funayama, Masahiro Takashita +2 more | 2013-05-21 |
| 8325442 | Spin torque oscillator, magnetic recording head, magnetic head assembly and magnetic recording apparatus | Mariko Shimizu, Kenichiro Yamada | 2012-12-04 |
| 8320079 | Magnetic head assembly and magnetic recording/reproducing apparatus | Hitoshi Iwasaki, Kenichiro Yamada, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +2 more | 2012-11-27 |
| 8315015 | Perpendicular magnetic recording head provided with side shield and magnetic disk apparatus using the same | Tomoko Taguchi, Tomomi Funayama, Yuka Aoyagi | 2012-11-20 |
| 8238058 | Magnetic recording head, magnetic head assembly, and magnetic recording apparatus | Mariko Shimizu, Hitoshi Iwasaki, Kenichiro Yamada, Masayuki Takagishi, Tomomi Funayama +2 more | 2012-08-07 |
| 8169741 | Perpendicular magnetic recording head with side shield and magnetic disk apparatus | Tomoko Taguchi, Tomomi Funayama, Yuka Aoyagi | 2012-05-01 |
| 8153188 | Method and apparatus for manufacturing magnetoresistive element | Hideaki Fukuzawa, Hiromi Yuasa, Susumu Hashimoto, Hitoshi Iwasaki | 2012-04-10 |
| 8085511 | Magnetoresistance effect element having resistance adjusting layer and thin-film insertion layer | Hiromi Yuasa, Yuzo Kamiguchi, Masatoshi Yoshikawa, Hitoshi Iwasaki, Tomohiko Nagata +2 more | 2011-12-27 |
| 8081397 | Magnetic head assembly and magnetic recording apparatus | Tomomi Funayama, Kenichiro Yamada, 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, Kenichiro Yamada | 2011-11-22 |
| 8027118 | Method and apparatus for controlling head with spin-torque oscillator in a disk drive | Toru Ezawa, Shuichi Kojima, Masahide Kanegae, Kenichiro Yamada, Masayuki Takagishi | 2011-09-27 |
| 7898774 | Magnetoresistive effect element with resistance adjustment layer of semimetal, magnetic head and magnetic reproducing apparatus | Hiromi Yuasa, Masatoshi Yoshikawa, Hitoshi Iwasaki, Masashi Sahashi | 2011-03-01 |
| 7848063 | Yoke-type magnetic head and magnetic disk apparatus | — | 2010-12-07 |
| 7791843 | Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system | Yuuzo Kamiguchi, Hiromi Yuasa, Tomohiko Nagata, Hiroaki Yoda, Masatoshi Yoshikawa +3 more | 2010-09-07 |