Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222994 | Perpendicular spin torque oscillator FMR frequency measurement method | Yuchen Zhou, Kunliang Zhang, Min Li, Kenichi Takano, Joe Smyth +4 more | 2015-12-29 |
| 8995089 | Magnetic recording medium and method for producing the same | Kazutaka Takizawa, Akira Watanabe, Kaori Kimura, Tsuyoshi Onitsuka, Takeshi Iwasaki +1 more | 2015-03-31 |
| 8970986 | Magnetic head and magnetic head assembly having a spin torque oscillator | Shuichi Murakami, Naoki Hase, Katsuhiko Koui | 2015-03-03 |
| 8896947 | Disk storage apparatus and method for determining malfunction of high-frequency oscillating element | Gaku Koizumi, Tomoko Taguchi | 2014-11-25 |
| 8879206 | Magnetic recording head with spin torque oscillator | Mariko Shimizu, Katsuhiko Koui, Shuichi Murakami | 2014-11-04 |
| 8654480 | Magnetic head with spin torque oscillator and magnetic recording head | Mariko Shimizu, Hitoshi Iwasaki, Kenichiro Yamada, Junichi Akiyama, Masayuki Takagishi +1 more | 2014-02-18 |
| 8553359 | Magnetic recording head and magnetic recording/reproducing apparatus using the same | Kenichiro Yamada, Katsuhiko Koui, Mariko Kitazaki, Masayuki Takagishi, Tomomi Funayama +2 more | 2013-10-08 |
| 8547662 | Magnetic recording head and magnetic recording apparatus | Kenichiro Yamada, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +3 more | 2013-10-01 |
| 8472140 | Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head | Kenichiro Yamada, Hitoshi Iwasaki, Masayuki Takagishi, Tomomi Funayama, Katsuhiko Koui +2 more | 2013-06-25 |
| 8467150 | Recording head, disk drive with recording head, and recording method using recording head | Akihiko Takeo | 2013-06-18 |
| 8446691 | Magnetic recording device | Masayuki Takagishi, Hitoshi Iwasaki, Kenichiro Yamada, Katsuhiko Koui, Tomomi Funayama +2 more | 2013-05-21 |
| 8400734 | Magnetic recording head and magnetic recording apparatus | Kenichiro Yamada, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +3 more | 2013-03-19 |
| 8320079 | Magnetic head assembly and magnetic recording/reproducing apparatus | Hitoshi Iwasaki, Kenichiro Yamada, Masayuki Takagishi, Tomomi Funayama, Mariko Shimizu +2 more | 2012-11-27 |
| 8305716 | Magneto-resistance effect element including diffusive electron scattering layer, magneto-resistance effect head, magnetic storage and magnetic memory | Hideaki Fukuzawa, Hiromi Yuasa, Yoshihiko Fuji, Hitoshi Iwasaki | 2012-11-06 |
| 8295009 | Magnetic recording head and magnetic recording apparatus | Kenichiro Yamada, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +3 more | 2012-10-23 |
| 8270112 | Magnetic head with spin oscillation device(s) and magnetic recording device | Tomomi Funayama, Kenichiro Yamada, Masayuki Takagishi, Mariko Shimizu, Junichi Akiyama +1 more | 2012-09-18 |
| 8238060 | Magnetic recording head and magnetic recording apparatus | Kenichiro Yamada, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +3 more | 2012-08-07 |
| 8238058 | Magnetic recording head, magnetic head assembly, and magnetic recording apparatus | Mariko Shimizu, Hitoshi Iwasaki, Kenichiro Yamada, Katsuhiko Koui, Masayuki Takagishi +2 more | 2012-08-07 |
| 8164854 | Magnetic recording head with spin oscillation device and magnetic recording apparatus including the magnetic recording head | Masayuki Takagishi, Kenichiro Yamada, Hitoshi Iwasaki, Junichi Akiyama, Tomomi Funayama +1 more | 2012-04-24 |
| 8154825 | Magnetic recording head and magnetic recording device | Hitoshi Iwasaki, Kenichiro Yamada, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +1 more | 2012-04-10 |
| 8139322 | Magnetic recording head with protruding spin torque oscillator | Kenichiro Yamada, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +1 more | 2012-03-20 |
| 8130477 | Magneto-resistance effect element having a diffusive electron scattering layer, magneto-resistance effect head, magnetic storage and magnetic memory | Hideaki Fukuzawa, Hiromi Yuasa, Yoshihiko Fuji, Hitoshi Iwasaki | 2012-03-06 |
| 8125744 | Current perpendicular to plane magneto-resistance effect element, magnetic head, and magnetic recording/reproducing device | Masayuki Takagishi, Hitoshi Iwasaki, Michiko Hara, Dan Abels, Xin Li | 2012-02-28 |
| 8120875 | Magnetic recording apparatus utilizing a spin torque oscillator which interacts with an antenna layer in the magnetic recording medium | Masayuki Takagishi, Kenichiro Yamada, Hitoshi Iwasaki, Tomomi Funayama, Mariko Shimizu | 2012-02-21 |
| 8081397 | Magnetic head assembly and magnetic recording apparatus | Tomomi Funayama, Kenichiro Yamada, Katsuhiko Koui, Hitoshi Iwasaki, Masayuki Takagishi +2 more | 2011-12-20 |