Issued Patents All Time
Showing 51–75 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9208802 | Magnetic recording head and disk drive provided therewith | Katsuhiko Koui | 2015-12-08 |
| 9171558 | Magnetic head with multiple reproducing elements each having magnetically coupled free layers, magnetic recording reproducing apparatus and magnetic head manufacturing method | Akihiko Takeo, Kazuto Kashiwagi, Katsuhiko Koui, Tomomi Funayama | 2015-10-27 |
| 9147411 | Magnetic recording and reproducing device | Masayuki Takagishi, Hitoshi Iwasaki, Yousuke Isowaki, Kohsuke Harada | 2015-09-29 |
| 9129617 | Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method | Hitoshi Iwasaki, Masayuki Takagishi | 2015-09-08 |
| 9111552 | High-frequency oscillation device, magnetic recording head including the same, and disk device | Akihiko Takeo, Noayuki Narita, Katsuhiko Koui | 2015-08-18 |
| 9076463 | Magnetic recording head and disk device with the same | Katsuhiko Koui, Akihiko Takeo | 2015-07-07 |
| 8995085 | Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method | Hitoshi Iwasaki, Masayuki Takagishi | 2015-03-31 |
| 8976490 | Magnetic recording head and disk drive provided therewith | Katsuhiko Koui | 2015-03-10 |
| 8929031 | Spin torque oscillator, method of manufacturing the same, magnetic recording head, magnetic head assembly, and magnetic recording apparatus | Akihiko Takeo, Satoshi Shirotori, Katsuhiko Koui | 2015-01-06 |
| 8810954 | Disk storage apparatus, write control apparatus and write control method | Tomoko Taguchi, Gaku Koizumi | 2014-08-19 |
| 8767346 | Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method | Hitoshi Iwasaki, Masayuki Takagishi | 2014-07-01 |
| 8755147 | Magnetic head pole including laminated structure having magnetic and nonmagnetic layers | Takuya Matsumoto, Masayuki Takagishi, Katsuhiko Koui, Hitoshi Iwasaki | 2014-06-17 |
| 8730616 | Magnetic recording head, head gimbal assembly with the same, and disk drive | Yusuke Tomoda, Tomoko Taguchi, Katsuhiko Koui | 2014-05-20 |
| 8717705 | Magnetic recording head and magnetic recording apparatus including the same | Naoyuki Narita, Katsuhiko Koui, Akihiko Takeo | 2014-05-06 |
| 8705204 | Recording head with high-frequency oscillator and bi-layer main pole height/width arrangement | Tomoko Taguchi, Katsuhiko Koui, Tomomi Funayama, Norihito Fujita | 2014-04-22 |
| 8687322 | Magnetic recording head and disk drive including the same | Takuya Matsumoto, Tomoko Taguchi, Naoyuki Narita | 2014-04-01 |
| 8687321 | Magnetic head assembly | Hitoshi Iwasaki, Masayuki Takagishi, Tomomi Funayama | 2014-04-01 |
| 8675308 | Magnetic recording head with high frequency oscillator and disk drive with the same | Takuya Matsumoto, Naoyuki Narita, Tomoko Taguchi, Katsuhiko Koui, Akihiko Takeo | 2014-03-18 |
| 8654480 | Magnetic head with spin torque oscillator and magnetic recording head | Mariko Shimizu, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +1 more | 2014-02-18 |
| 8614861 | Magnetic recording head including a high-frequency oscillator and disk drive with the same | Yusuke Tomoda, Naoyuki Narita | 2013-12-24 |
| 8564904 | Magnetic head with stacked magnetic layers, magnetic head assembly, and magnetic recording/reproducing apparatus | Hitoshi Iwasaki, Masayuki Takagishi, Susumu Hashimoto, Yusuke Tomoda | 2013-10-22 |
| 8559134 | Radio frequency magnetic field assisted recording head, head assembly, amd recording apparatus | Hitoshi Iwasaki, Katsuhiko Koui | 2013-10-15 |
| 8553359 | Magnetic recording head and magnetic recording/reproducing apparatus using the same | Katsuhiko Koui, Mariko Kitazaki, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +2 more | 2013-10-08 |
| 8547662 | Magnetic recording head and magnetic recording apparatus | Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +3 more | 2013-10-01 |
| 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 |