Shiimoto; Masato

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shiimoto; Masato.The latest application filed is for "magnetic write head with write-field enhancement structure including a magnetic notch".

Company Profile

7.62.51

Shiimoto; Masato - Fujisawa JP
SHIIMOTO; Masato - Fujisawa-shi JP
Shiimoto; Masato - Odawara JP
Shiimoto; Masato - Kanagawa JP
Shiimoto; Masato - Hiratsuka JP
Shiimoto; Masato - Odawara-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Magnetic write head with write-field enhancement structure including a magnetic notch Grant 11,011,190 - Olson , et al. May 18, 2	2021-05-18
Magnetic Write Head With Write-field Enhancement Structure Including A Magnetic Notch App 20200342899 - OLSON; James Terrence ; et al.	2020-10-29
Magnetic write head for providing spin-torque-assisted write field enhancement Grant 10,811,039 - Olson , et al. October 20, 2	2020-10-20
Magnetic Write Head For Providing Spin-torque-assisted Write Field Enhancement App 20200234729 - OLSON; James Terrence ; et al.	2020-07-23
Magnetic write head for providing spin-torque-assisted write field enhancement Grant 10,546,603 - Olson , et al. Ja	2020-01-28
Magnetic Write Head For Providing Spin-torque-assisted Write Field Enhancement App 20190295572 - OLSON; James Terrence ; et al.	2019-09-26
Magnetic write head for providing spin-torque-assisted write field enhancement Grant 10,366,714 - Olson , et al. July 30, 2	2019-07-30
Switching period control of microwave assisted magnetic recording for pole erasure suppression Grant 10,283,159 - Tabata , et al.	2019-05-07
Switching Period Control Of Microwave Assisted Magnetic Recording For Pole Erasure Suppression App 20180294010 - TABATA; SATOSHI ; et al.	2018-10-11
Switching period control of microwave assisted magnetic recording for pole erasure suppression Grant 10,020,020 - Tabata , et al. July 10, 2	2018-07-10
Switching Period Control Of Microwave Assisted Magnetic Recording For Pole Erasure Suppression App 20180061450 - TABATA; SATOSHI ; et al.	2018-03-01
Switching period control of microwave assisted magnetic recording for pole erasure suppression Grant 9,799,369 - Tabata , et al. October 24, 2	2017-10-24
Switching Period Control Of Microwave Assisted Magnetic Recording For Pole Erasure Suppression App 20170148471 - Tabata; Satoshi ; et al.	2017-05-25
Asymmetric MAMR head with self-aligned spin torque oscillator along flare edge for shingled magnetic recording Grant 9,406,316 - Urakami , et al. August 2, 2	2016-08-02
Graded side shield gap reader Grant 9,406,322 - Aoyama , et al. August 2, 2	2016-08-02
AF-mode STO with negative Hk spin polarization layer Grant 9,406,315 - Shiimoto , et al. August 2, 2	2016-08-02
Two dimensional magnetic read head having asymmetrical secondary read elements Grant 9,396,744 - Yamashita , et al. July 19, 2	2016-07-19
Spin torque oscillator with low magnetic moment and high perpendicular magnetic anisotropy material Grant 9,378,759 - Nagasaka , et al. June 28, 2	2016-06-28
Implementing spin torque oscillator erasure prevention in microwave-assisted magnetic recording (MAMR) hard disk drives Grant 9,355,657 - Aoyama , et al. May 31, 2	2016-05-31
Hard disk drive with contact detection using a spin torque oscillator Grant 9,355,668 - Nishida , et al. May 31, 2	2016-05-31
Spin Torque Oscillator With Low Magnetic Moment And High Perpendicular Magnetic Anisotropy Material App 20160148627 - NAGASAKA; Keiichi ; et al.	2016-05-26
Extended spin torque oscillator Grant 9,336,797 - Igarashi , et al. May 10, 2	2016-05-10
Symmetrical STO for oscillation with both polarity bias Grant 9,311,934 - Shiimoto , et al. April 12, 2	2016-04-12
Negative-polarization spin-torque-oscillator Grant 9,305,574 - Nagasaka , et al. April 5, 2	2016-04-05
Negative-poralization Spin-torque-oscillator App 20160086623 - NAGASAKA; Keiichi ; et al.	2016-03-24
Magnetic head using a synthetic ferri free structure Grant 9,245,548 - Shiimoto , et al. January 26, 2	2016-01-26
Graded Side Shield Gap Reader App 20160005428 - AOYAMA; Jun ; et al.	2016-01-07
Extended Spin Torque Oscillator App 20150348574 - IGARASHI; Masukazu ; et al.	2015-12-03
MAMR head with recessed STO Grant 9,202,528 - Furukawa , et al. December 1, 2	2015-12-01
Asymmetric Mamr Head With Self-aligned Spin Torque Oscillator Along Flare Edge For Shingled Magnetic Recording App 20150332711 - URAKAMI; Yosuke ; et al.	2015-11-19
AF-coupled dual side shield reader with AF-coupled USL Grant 9,190,081 - Aoyama , et al. November 17, 2	2015-11-17
Af-coupled Dual Side Shield Reader With Af-coupled Usl App 20150248903 - AOYAMA; Jun ; et al.	2015-09-03
Af-mode Sto With Negative Hk Spin Polarization Layer App 20150228295 - SHIIMOTO; Masato ; et al.	2015-08-13
Microwave-assisted magnetic recording head with high saturation magnetization material side shield Grant 9,099,102 - Katada , et al. August 4, 2	2015-08-04
Asymmetric sensitivity reader Grant 9,082,434 - Aoyama , et al. July 14, 2	2015-07-14
Pile spin-torque oscillator with AF-mode oscillation for generating high AC-field in microwave-assisted magnetic recording Grant 9,064,508 - Shiimoto , et al. June 23, 2	2015-06-23
MAMR head adapted for high speed switching Grant 9,047,888 - Katada , et al. June 2, 2	2015-06-02
Microwave-assisted Magnetic Recording Head With High Saturation Magnetization Material Side Shield App 20150131183 - Katada; Hiroyuki ; et al.	2015-05-14
Asymmetric Sensitivity Reader App 20150116869 - AOYAMA; Jun ; et al.	2015-04-30
Sto With Anti-ferromagnetic Coupling Interlayer App 20150103431 - IGARASHI; Masukaza ; et al.	2015-04-16
Microwave-assisted magnetic recording (MAMR) head employing advanced current control to establish a magnetic resonance state Grant 9,007,723 - Igarashi , et al. April 14, 2	2015-04-14
Head structure with electric damage protection for a microwave-assisted hard disk drive Grant 9,007,724 - Furukawa , et al. April 14, 2	2015-04-14
Mamr Head With Recessed Sto App 20150092292 - FURUKAWA; Masaru ; et al.	2015-04-02
Graded Side Shield Gap Reader App 20150092303 - AOYAMA; Jun ; et al.	2015-04-02
MAMR head with a multi-layered side gap for stable oscillation of the STO Grant 8,988,826 - Sugiyama , et al. March 24, 2	2015-03-24
Spin-torque oscillator for microwave assisted magnetic recording Grant 8,970,996 - Nagasaka , et al. March 3, 2	2015-03-03
Microwave-assisted magnetic recording head with asymmetric side gap for shingled magnetic recording Grant 8,964,332 - Katada , et al. February 24, 2	2015-02-24
Hard Disk Drive With Contact Detection Using a Spin Torque Oscillator App 20140347969 - Nishida; Yasutaka ; et al.	2014-11-27
High spin-torque efficiency spin-torque oscillator (STO) with dual spin polarization layer Grant 8,879,205 - Shiimoto , et al. November 4, 2	2014-11-04
Magnetic data recording system with mirror image asymmetric magnetic write elements Grant 8,848,317 - Shiimoto , et al. September 30, 2	2014-09-30
Magnetic recording head and magnetic recording apparatus Grant 8,824,103 - Shiimoto , et al. September 2, 2	2014-09-02
Spin-torque oscillator for microwave assisted magnetic recording Grant 8,773,822 - Matsubara , et al. July 8, 2	2014-07-08
Mamr Head Adapted For High Speed Switching App 20140177092 - Katada; Hiroyuki ; et al.	2014-06-26
Mamr Head With A Multi-layered Side Gap For Stable Oscillation Of The Sto App 20140177100 - Sugiyama; Mikito ; et al.	2014-06-26
Magnetic Data Recording System With Mirror Image Asymmetric Magnetic Write Elements App 20140177105 - Shiimoto; Masato ; et al.	2014-06-26
High Spin-torque Efficiency Spin-torque Oscillator (sto) With Dual Spin Polarization Layer App 20140133048 - Shiimoto; Masato ; et al.	2014-05-15
Microwave assisted magnetic recording (MAMR) head having an offset spin torque oscillator (STO) and narrow trailing gap Grant 8,705,206 - Maeda , et al. April 22, 2	2014-04-22
Magnetic recording apparatus with magnetic recording head capable of recording information on a magnetic recording medium Grant 8,687,319 - Igarashi , et al. April 1, 2	2014-04-01
Spin-torque Oscillator For Microwave Assisted Magnetic Recording App 20140085753 - Nagasaka; Keiichi ; et al.	2014-03-27
Magnetic recording device Grant 8,670,201 - Matsubara , et al. March 11, 2	2014-03-11
Magnetic disk drive and microwave assisted recording method Grant 8,643,967 - Katada , et al. February 4, 2	2014-02-04
Magnetic Head And Magnetic Recording/reproduction Apparatus Using The Same App 20130321956 - Shiimoto; Masato ; et al.	2013-12-05
Microwave-assisted magnetic recording head and magnetic read/write apparatus using the same Grant 8,582,225 - Shiimoto , et al. November 12, 2	2013-11-12
Differential magnetoresistive effect head and magnetic recording/reading device Grant 8,570,689 - Sato , et al. October 29, 2	2013-10-29
Spin-torque oscillator (STO) for microwave-assisted magnetic recording (MAMR) and methods of use thereof Grant 8,547,656 - Igarashi , et al. October 1, 2	2013-10-01
Magnetoresistive effect head having a free layer and a magnetic domain control layer that applies a magnetic field more strongly in an upper part of the free layer Grant 8,537,505 - Shiimoto , et al. September 17, 2	2013-09-17
Magnetic recording head and magnetic recording/reproducing apparatus Grant 8,537,497 - Nagasaka , et al. September 17, 2	2013-09-17
Magnetic recording head, method of manufacturing the same, and magnetic disk unit Grant 8,520,338 - Udo , et al. August 27, 2	2013-08-27
Spin-torque Oscillator (sto) For Microwave-assisted Magnetic Recording (mamr) And Methods Of Use Thereof App 20130215530 - Igarashi; Masukazu ; et al.	2013-08-22
Microwave-assisted magnetic recording head having a current confinement structure Grant 8,472,135 - Kusukawa , et al. June 25, 2	2013-06-25
Magnetic Recording Head And Magnetic Recording Apparatus App 20130070367 - IGARASHI; Masukazu ; et al.	2013-03-21
Magnetic Recording Head And Magnetic Recording Apparatus App 20130057980 - SHIIMOTO; Masato ; et al.	2013-03-07
Magnetic Recording Head And Magnetic Recording/reproducing Apparatus App 20130050869 - NAGASAKA; Keiichi ; et al.	2013-02-28
Magnetic Recording Device App 20130050866 - MATSUBARA; Masato ; et al.	2013-02-28
Magnetic Disk Drive And Microwave Assisted Recording Method App 20130050865 - KATADA; Hiroyuki ; et al.	2013-02-28
Spin torque oscillator and magnetic recording head and magnetic recording device mounted with the spin torque oscillator Grant 8,345,380 - Sato , et al. January 1, 2	2013-01-01
Magnetic heads having a graded domain control film and methods of manufacture thereof Grant 8,284,527 - Yoshida , et al. October 9, 2	2012-10-09
Magnetic recording and reproducing device including a differential read head Grant 8,270,122 - Shiimoto , et al. September 18, 2	2012-09-18
Differential head having a balanced output and method of manufacturing thereof Grant 8,223,464 - Yasui , et al. July 17, 2	2012-07-17
Magnetic read head Grant 8,223,463 - Katada , et al. July 17, 2	2012-07-17
Magnetic Recording Head, Method Of Manufacturing The Same, And Magnetic Disk Unit App 20120147502 - Udo; Yuta ; et al.	2012-06-14
Spin-torque Oscillator For Microwave Assisted Magnetic Recording App 20120120518 - Matsubara; Masato ; et al.	2012-05-17
Magnetic Head And Magnetic Recording/reproduction Apparatus Using The Same App 20120113543 - Shiimoto; Masato ; et al.	2012-05-10
Oscillator In Which Polarity Is Changed At High Speed, Magnetic Head For Mamr And Fast Data Transfer Rate Hdd App 20120113542 - Igarashi; Masukazu ; et al.	2012-05-10
Spin Torque Oscillator And Magnetic Recording Head And Magnetic Recording Device Mounted With The Spin Torque Oscillator App 20120069465 - SATO; Yo ; et al.	2012-03-22
Microwave-assisted Magnetic Recording Head And Magnetic Read/write Apparatus Using The Same App 20110216435 - SHIIMOTO; MASATO ; et al.	2011-09-08
Magnetic Recording/reproduction Head App 20110181987 - Shiimoto; Masato ; et al.	2011-07-28
Magnetic Heads Having A Graded Domain Control Film And Methods Of Manufacture Thereof App 20110134564 - Yoshida; Nobuo ; et al.	2011-06-09
Magnetoresistive Effect Head and Magnetic Recording/Playback Device App 20100302688 - Shiimoto; Masato ; et al.	2010-12-02
Differential Magnetoresistive Effect Head And Magnetic Recording/reading Device App 20100142101 - Sato; Yo ; et al.	2010-06-10
Differential Head Having A Balanced Output And Method Of Manufacturing Thereof App 20100118448 - Yasui; Kan ; et al.	2010-05-13
Magnetic Read Head App 20100091416 - Katada; Hiroyuki ; et al.	2010-04-15
Magnetic Recording And Reproducing Head And Magnetic Recording And Reproducing Device App 20090207531 - SHIIMOTO; Masato ; et al.	2009-08-20
Magnetic head App 20080182133 - Shiimoto; Masato ; et al.	2008-07-31

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