Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10037772 | Low magnetic flux density interface layer for spin torque oscillator | Susumu Okamura, Masashige Sato, Yo Sato | 2018-07-31 |
| 9990943 | Texture-control layer for spin torque oscillator | Susumu Okamura, Yo Sato, Masashige Sato | 2018-06-05 |
| 9858952 | Microwave assisted magnetic recording head having spin torque oscillator frequency detection | Masashige Sato, Susumu Okamura, Yo Sato | 2018-01-02 |
| 9805746 | Low magnetic flux density interface layer for spin torque oscillator | Susumu Okamura, Masashige Sato, Yo Sato | 2017-10-31 |
| 9728210 | Texture-control layer for spin torque oscillator | Susumu Okamura, Yo Sato, Masashige Sato | 2017-08-08 |
| 9437222 | Spin torque oscillator with high spin torque efficiency and reliability | Susumu Okamura, Masao Shiimoto, Katsuro Watanabe, Masashige Sato, Yo Sato +1 more | 2016-09-06 |
| 9406315 | AF-mode STO with negative Hk spin polarization layer | Masato Shiimoto, Masukaza Igarashi, Yo Sato | 2016-08-02 |
| 9378759 | Spin torque oscillator with low magnetic moment and high perpendicular magnetic anisotropy material | Yo Sato, Masashige Sato, Susumu Okamura, Masato Shiimoto, Masukazu Igarashi | 2016-06-28 |
| 9336797 | Extended spin torque oscillator | Masukazu Igarashi, Masato Matsubara, Yo Sato, Masato Shiimoto, Masashige Sato | 2016-05-10 |
| 9305574 | Negative-polarization spin-torque-oscillator | Yo Sato, Masato Shiimoto, Masashige Sato, Masukazu Igarashi, Susumu Okamura | 2016-04-05 |
| 9230597 | Magnetic head having a spin torque oscillator (STO) with a hybrid heusler field generation layer (FGL) | Masato Shimoto, Masato Matsubara, Yo Sato | 2016-01-05 |
| 9230569 | Low Bs spin-polarizer for spin torque oscillator | Masato Shimoto, Masukazu Igarashi, Yo Sato, Susumu Okamura, Masashige Sato | 2016-01-05 |
| 9099107 | Stabilizing layer for a spin torque oscillator (STO) | Masukazu Igarashi, Susumu Okamura, Yo Sato, Masashige Sato, Masato Shimoto | 2015-08-04 |
| 8988826 | MAMR head with a multi-layered side gap for stable oscillation of the STO | Mikito Sugiyama, Masato Shiimoto | 2015-03-24 |
| 8982502 | Hard disk drive with write assist based on detected conditions | Akira Morinaga, Nobumasa Nishiyama | 2015-03-17 |
| 8970996 | Spin-torque oscillator for microwave assisted magnetic recording | Masato Shiimoto, Masato Matsubara, Yuta Udou | 2015-03-03 |
| 8879205 | High spin-torque efficiency spin-torque oscillator (STO) with dual spin polarization layer | Masato Shiimoto, Masukazu Igarashi | 2014-11-04 |
| 8773822 | Spin-torque oscillator for microwave assisted magnetic recording | Masato Matsubara, Masato Shiimoto, Hiroyuki Katada | 2014-07-08 |
| 8687319 | Magnetic recording apparatus with magnetic recording head capable of recording information on a magnetic recording medium | Masukazu Igarashi, Masato Matsubara, Masato Shiimoto | 2014-04-01 |
| 8547656 | Spin-torque oscillator (STO) for microwave-assisted magnetic recording (MAMR) and methods of use thereof | Masukazu Igarashi, Masato Matsubara, Masato Shiimoto | 2013-10-01 |
| 8537497 | Magnetic recording head and magnetic recording/reproducing apparatus | Masato Shiimoto, Yo Sato | 2013-09-17 |
| 8345380 | Spin torque oscillator and magnetic recording head and magnetic recording device mounted with the spin torque oscillator | Yo Sato, Masato Shiimoto, Masato Matsubara | 2013-01-01 |
| 7538987 | CPP spin-valve element | Hideo Fujiwara, Tong Zhao, William H. Butler, Julian Velev, Amrit Bandyopadhyay | 2009-05-26 |
| 7450351 | Magnetoresistive element having current-perpendicular-to-plane structure, magnetic head, and magnetic memory apparatus thereof | Hirotaka Oshima, Arata Jogo, Yutaka Shimizu, Atsushi Tanaka | 2008-11-11 |
| 7433160 | Magnetoresistive element and method of manufacturing the same | Yutaka Shimizu | 2008-10-07 |