Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9437222 | Spin torque oscillator with high spin torque efficiency and reliability | Susumu Okamura, Masao Shiimoto, Katsuro Watanabe, Masashige Sato, Keiichi Nagasaka +1 more | 2016-09-06 |
| 9378759 | Spin torque oscillator with low magnetic moment and high perpendicular magnetic anisotropy material | Keiichi Nagasaka, Yo Sato, Masashige Sato, Susumu Okamura, Masato Shiimoto | 2016-06-28 |
| 9336797 | Extended spin torque oscillator | Masato Matsubara, Keiichi Nagasaka, Yo Sato, Masato Shiimoto, Masashige Sato | 2016-05-10 |
| 9311934 | Symmetrical STO for oscillation with both polarity bias | Masato Shiimoto, Masashige Sato, Yo Sato, Masato Matsubara | 2016-04-12 |
| 9305574 | Negative-polarization spin-torque-oscillator | Keiichi Nagasaka, Yo Sato, Masato Shiimoto, Masashige Sato, Susumu Okamura | 2016-04-05 |
| 9305586 | Microwave-assisted magnetic recording device and method of formation thereof | Masafumi Mochizuki | 2016-04-05 |
| 9275672 | Magnetic head, magnetic recording method and apparatus for controlling magnetic head with spin torque oscillator in a disk drive | Yoshihiro Shiroishi, Hiroshi Fukuda, Harukazu Miyamoto, Junko Ushiyama, Katsuro Watanabe +1 more | 2016-03-01 |
| 9230569 | Low Bs spin-polarizer for spin torque oscillator | Masato Shimoto, Keiichi Nagasaka, Yo Sato, Susumu Okamura, Masashige Sato | 2016-01-05 |
| 9099107 | Stabilizing layer for a spin torque oscillator (STO) | Keiichi Nagasaka, Susumu Okamura, Yo Sato, Masashige Sato, Masato Shimoto | 2015-08-04 |
| 9007723 | Microwave-assisted magnetic recording (MAMR) head employing advanced current control to establish a magnetic resonance state | Masato Shiimoto, Masato Matsubara, Yo Sato, Kenji Sugiura | 2015-04-14 |
| 9007721 | Microwave assisted magnetic recording head having spin torque oscillator, and magnetic recording apparatus | Yo Sato, Katsuro Watanabe, Keizou Katou | 2015-04-14 |
| 9007722 | High frequency magnetic field assisted magnetic recording head | Junichiro Shimizu, Kikuo Kusukawa, Yo Sato | 2015-04-14 |
| 8937789 | Microwave assisted magnetic recording head and magnetic data storage apparatus | Katsuro Watanabe | 2015-01-20 |
| 8883327 | Microwave assisted magnetic recording medium and information recording apparatus using the same | Yoshiyuki Hirayama, Katsuro Watanabe | 2014-11-11 |
| 8879205 | High spin-torque efficiency spin-torque oscillator (STO) with dual spin polarization layer | Masato Shiimoto, Keiichi Nagasaka | 2014-11-04 |
| 8854768 | Magnetic head and magnetic recording/reproducing apparatus | Kenji Sugiura, Yo Sato, Katsuro Watanabe | 2014-10-07 |
| 8830627 | Magnetic head, method for producing the magnetic head, and magnetic recording/reproducing apparatus | Kenji Sugiura, Katsuro Watanabe, Yo Sato | 2014-09-09 |
| 8810946 | Energy-assisted magnetic recording head and magnetic recording device | Kan Yasui, Harukazu Miyamoto | 2014-08-19 |
| 8760806 | Microwave assisted magnetic recording head and microwave assisted magnetic recording apparatus having a magnetic flux rectifying layer with a magnetic flux rectifying action | Harukazu Miyamoto | 2014-06-24 |
| 8724260 | Information recording device having high-frequency field generating multilayer material with a receded section disposed between main and opposing poles | Harukazu Miyamoto | 2014-05-13 |
| 8687319 | Magnetic recording apparatus with magnetic recording head capable of recording information on a magnetic recording medium | Masato Matsubara, Keiichi Nagasaka, Masato Shiimoto | 2014-04-01 |
| 8582225 | Microwave-assisted magnetic recording head and magnetic read/write apparatus using the same | Masato Shiimoto, Masaru Furukawa | 2013-11-12 |
| 8547656 | Spin-torque oscillator (STO) for microwave-assisted magnetic recording (MAMR) and methods of use thereof | Masato Matsubara, Keiichi Nagasaka, Masato Shiimoto | 2013-10-01 |
| 8363355 | Microwave-assisted magnetic recording device and method of formation thereof | Masafumi Mochizuki | 2013-01-29 |
| 8089829 | Thermally assisted recording media and system | Fumiko Akagi, Hiroaki Nemoto, Takayuki Ichihara | 2012-01-03 |