OTA; Norikazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for OTA; Norikazu.The latest application filed is for "magnetic field detection apparatus and current detection apparatus".

Company Profile

1.58.59

OTA; Norikazu - Tokyo JP
- Tokyo JP
Ota; Norikazu - Chuo-ku 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 Field Detection Apparatus And Current Detection Apparatus App 20220308095 - OTA; Norikazu ; et al.	2022-09-29
Magnetic field detection apparatus and current detection apparatus Grant 11,422,166 - Kobayashi , et al. August 23, 2	2022-08-23
Magnetic field detection apparatus and current detection apparatus Grant 11,372,029 - Ota , et al. June 28, 2	2022-06-28
Magnetic Field Detection Apparatus And Current Detection Apparatus App 20210293857 - KOBAYASHI; Takafumi ; et al.	2021-09-23
Magnetic Field Detection Apparatus And Current Detection Apparatus App 20210181240 - OTA; Norikazu ; et al.	2021-06-17
Magnetic Field Detection Apparatus And Current Detection Apparatus App 20210181241 - OTA; Norikazu ; et al.	2021-06-17
Magnetic Sensor App 20210156933 - MAKINO; Kenzo ; et al.	2021-05-27
Thermally assisted magnetic recording head having plasmon generator in which dielectric layer is surrounded by metal layer Grant 10,339,965 - Nishimura , et al.	2019-07-02
Thermal Assisted Magnetic Recording Head Having Plasmon Generator In Which Dielectic Layer Is Surrounded By Metal Layer App 20180211686 - NISHIMURA; Yuki ; et al.	2018-07-26
Thermal assisted magnetic recording head having plasmon generator in which dielectric layer is surrounded by metal layer Grant 9,997,178 - Nishimura , et al. June 12, 2	2018-06-12
Method Of Setting Flying Height And Flying Height Setting Device App 20160019922 - OTA; Norikazu ; et al.	2016-01-21
Method of setting flying height and flying height setting device Grant 9,230,586 - Ota , et al. January 5, 2	2016-01-05
Thermal assisted magnetic recording head utilizing uncoupled light Grant 9,165,582 - Hara , et al. October 20, 2	2015-10-20
Thermal Assisted Magnetic Recording Head Utilizing Uncoupled Light App 20150294678 - HARA; Shinji ; et al.	2015-10-15
Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly and magnetic recording unit Grant 9,153,267 - Komura , et al. October 6, 2	2015-10-06
Perpendicular magnetic write head and magnetic recording device having additional magnetic layer contacting front yoke and shield Grant 8,908,328 - Saito , et al. December 9, 2	2014-12-09
Magnetic head for perpendicular magnetic recording having a write shield Grant 8,867,168 - Ota , et al. October 21, 2	2014-10-21
Magnetic Head For Perpendicular Magnetic Recording Having A Write Shield App 20140160597 - OTA; Norikazu ; et al.	2014-06-12
Perpendicular Magnetic Write Head And Magnetic Recording Device App 20140098441 - SAITO; Masahiro ; et al.	2014-04-10
Magnetic head for perpendicular magnetic recording having a write shield Grant 08619389 -	2013-12-31
Magnetic head for perpendicular magnetic recording having a write shield Grant 8,619,389 - Saito , et al. December 31, 2	2013-12-31
Magnetic recording device, magnetic recording method and magnetic recording medium for shingle write scheme Grant 8,559,123 - Hirata , et al. October 15, 2	2013-10-15
Perpendicular magnetic head and magnetic recording system having non-magnetic region in shield layer Grant 8,305,709 - Ota , et al. November 6, 2	2012-11-06
Thin-film magnetic head with a magnetic pole having an inclined step at its top end section surface, magnetic head assembly with the thin-film magnetic head, magnetic disk drive apparatus with the magnetic head assembly, and manufacturing method of thin-film magnetic head Grant 8,102,623 - Anagawa , et al. January 24, 2	2012-01-24
Magnetic recording device, magnetic recording method and magnetic recording medium for shingle write scheme App 20110304939 - Hirata; Kei ; et al.	2011-12-15
Perpendicular magnetic write head having a thin film coil generating a magnetic flux and method of manufacturing perpendicular magnetic write head, and magnetic write device Grant 8,064,163 - Ota , et al. November 22, 2	2011-11-22
Thin film magnetic head Grant 8,018,675 - Shinoda , et al. September 13, 2	2011-09-13
Magnetic recording/reproducing system, and thin-film magnetic head having shield layers of specified widths Grant 7,983,009 - Ota , et al. July 19, 2	2011-07-19
Thin-film magnetic head with heating portion and protrusion adjustment portion, head gimbal assembly equipped head, magnetic recording/reproducing apparatus equipped HGA, and manufacturing method of head Grant 7,974,046 - Ota , et al. July 5, 2	2011-07-05
Thin-film magnetic head having heating element with lower-resistance portion Grant 7,961,429 - Kurihara , et al. June 14, 2	2011-06-14
Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing same Grant 7,948,716 - Matono , et al. May 24, 2	2011-05-24
Magnetic recording method using ferromagnetic resonance and thin-film magnetic head for using the method Grant 7,920,357 - Sato , et al. April 5, 2	2011-04-05
Thin-film magnetic head with coil-insulating layer that thermal expansion coefficient and young'S modulus are specified Grant 7,903,370 - Kurihara , et al. March 8, 2	2011-03-08
Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device Grant 7,843,667 - Hirata , et al. November 30, 2	2010-11-30
Thin-film magnetic head having a width-thickness configured shield layer positioned by spacer pieces for use in a head gimbal assembly of a hard disk system Grant 7,667,928 - Hirabayashi , et al. February 23, 2	2010-02-23
Perpendicular Magnetic Head And Magnetic Recording System App 20100033879 - OTA; Norikazu ; et al.	2010-02-11
Thin-film magnetic head with heating element and heatsink Grant 7,649,713 - Ota , et al. January 19, 2	2010-01-19
Measuring method of flying height and magnetic disk drive apparatus capable of adjusting flying height Grant 7,633,703 - Ota December 15, 2	2009-12-15
Thin-film magnetic head with heater spaced further from medium facing surface than split in shield Grant 7,623,322 - Umehara , et al. November 24, 2	2009-11-24
Thin-film magnetic head having heatsink wider on air bearing surface side Grant 7,612,965 - Kurihara , et al. November 3, 2	2009-11-03
Thin Film Magnetic Head App 20090226761 - SHINODA; Minoru ; et al.	2009-09-10
Thin-film magnetic head with heater in overcoat multilayer, head gimbal assembly with thin-film magnetic head, and magnetic disk drive apparatus with head gimbal assembly Grant 7,583,479 - Umehara , et al. September 1, 2	2009-09-01
Magnetic head for perpendicular magnetic recording in which gap thickness and pole layer shape are defined for suppressing occurrence of pole erase phenomenon Grant 7,554,766 - Ota , et al. June 30, 2	2009-06-30
Head slider, head gimbal assembly, and hard disk dirve Grant 7,542,236 - Ota , et al. June 2, 2	2009-06-02
Thin-film Magnetic Head, Head Gimbal Assembly, And Hard Disk System App 20090116143 - HIRABAYASHI; Hiraku ; et al.	2009-05-07
Perpendicular magnetic recording head and method of manufacturing the same Grant 7,522,376 - Matono , et al. April 21, 2	2009-04-21
Thin-film Magnetic Head With Perpendicular Magnetic Recording Structure, Magnetic Head Assembly With The Thin-film Magnetic Head, Magnetic Disk Drive Apparatus With The Magnetic Head Assembly, And Manufacturing Method Of Thin-film Magnetic Head With Perpendicular Magnetic Recording Structure App 20090059438 - ANAGAWA; Kenkichi ; et al.	2009-03-05
Magnetic head for perpendicular magnetic recording with a shield and method of manufacturing same App 20080297953 - Matono; Naoto ; et al.	2008-12-04
Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device App 20080291582 - Hirata; Kei ; et al.	2008-11-27
Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus Grant 7,457,080 - Watabe , et al. November 25, 2	2008-11-25
Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus Grant 7,453,668 - Aoki , et al. November 18, 2	2008-11-18
Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus Grant 7,433,152 - Watabe , et al. October 7, 2	2008-10-07
Thin-film Magnetic Head Having Heating Element With Lower-resistance Portion App 20080218909 - KURIHARA; Katsuki ; et al.	2008-09-11
Thin-film magnetic head, head gimbal assembly, and hard disk drive Grant 7,420,776 - Yamanaka , et al. September 2, 2	2008-09-02
Perpendicular magnetic write head and method of manufacturing perpendicular magnetic write head, and magnetic write device App 20080180858 - Ota; Norikazu ; et al.	2008-07-31
Magnetic recording method using ferromagnetic resonance and thin-film magnetic head for using the method App 20080151436 - Sato; Isamu ; et al.	2008-06-26
Thin film magnetic head and magnetic recording apparatus with partitioned heat sink layer Grant 7,391,590 - Matono , et al. June 24, 2	2008-06-24
Thin-film Magnetic Head With Heating Portion And Protrusion Adjustment Portion And Manufacturing Method Of Head App 20080094755 - OTA; Norikazu ; et al.	2008-04-24
Thin-film Magnetic Head With Coil-insulating Layer That Thermal Expansion Coefficient And Young's Modulus Are Specified App 20080068749 - Kurihara; Katsuki ; et al.	2008-03-20
Measuring Method Of Flying Height And Magnetic Disk Drive Apparatus Capable Of Adjusting Flying Height App 20080043355 - OTA; Norikazu	2008-02-21
Magnetic Recording/reproducing System, And Thin-film Magnetic Head App 20070274003 - OTA; Norikazu ; et al.	2007-11-29
Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, magnetic disk drive apparatus with head gimbal assembly, method for designing thin-film magnetic head and manufacturing method of thin-film magnetic head Grant 7,283,328 - Ota , et al. October 16, 2	2007-10-16
Head slider with precise positioning actuator and manufacturing method of the head slider Grant 7,253,993 - Wada , et al. August 7, 2	2007-08-07
Magnetic head for vertical magnetic recording including main pole layer having varying width and thickness, head gimbal assembly, and hard disk drive Grant 7,245,454 - Aoki , et al. July 17, 2	2007-07-17
Thin film magnetic head and magnetic recording apparatus Grant 7,218,475 - Matono , et al. May 15, 2	2007-05-15
Thin-film magnetic head, head gimbal assembly, and hard disk drive App 20070103814 - Yamanaka; Noboru ; et al.	2007-05-10
Thin-film magnetic head having a sheet-shaped heater with a lead part connected in series with the heater and having a resistance lower than the heater Grant 7,203,035 - Koide , et al. April 10, 2	2007-04-10
Thin-film magnetic head, head gimbal assembly, and hard disk drive Grant 7,187,521 - Yamanaka , et al. March 6, 2	2007-03-06
Thin-film magnetic head having heater member and bump for electrical connection of heater member Grant 7,184,246 - Sasaki , et al. February 27, 2	2007-02-27
Thin-film magnetic head, head gimbal assembly, and hard disk drive Grant 7,180,707 - Koide , et al. February 20, 2	2007-02-20
Thin-film magnetic head with heating element and heatsink App 20060291098 - Ota; Norikazu ; et al.	2006-12-28
Thin film magnetic head and magnetic recording apparatus Grant 7,154,707 - Watabe , et al. December 26, 2	2006-12-26
Thin-film Magnetic Head, Head Gimbal Assembly, And Hard Disk System App 20060256472 - HIRABAYASHI; Hiraku ; et al.	2006-11-16
Head slider, head gimbal assembly, and hard disk drive Grant 7,113,369 - Ota , et al. September 26, 2	2006-09-26
Flying type thin-film magnetic head Grant 7,110,219 - Ota September 19, 2	2006-09-19
Head slider and manufacturing method thereof Grant 7,102,856 - Koide , et al. September 5, 2	2006-09-05
Magnetic head bar holding unit, lapping device, and method of lapping medium-opposing surface of thin-film magnetic head Grant 7,086,931 - Oyama , et al. August 8, 2	2006-08-08
Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus App 20060171072 - Watabe; Yuichi ; et al.	2006-08-03
Magnetic head for perpendicular magnetic recording, head gimbal assembly, head arm assembly and magnetic disk drive App 20060158779 - Ota; Norikazu ; et al.	2006-07-20
Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus App 20060126222 - Aoki; Susumu ; et al.	2006-06-15
Thin film magnetic head and method of manufacturing the same Grant 7,061,719 - Matono , et al. June 13, 2	2006-06-13
Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus App 20060098338 - Watabe; Yuichi ; et al.	2006-05-11
Thin-film magnetic head with heater for adjusting magnetic spacing App 20060077591 - Kurihara; Katsuki ; et al.	2006-04-13
Precise positioning actuator for head element and head device with the actuator Grant 7,023,668 - Ota , et al. April 4, 2	2006-04-04
Thin-film magnetic head with a heater, head gimbal assembly with the thin-film magnetic head and magnetic disk drive apparatus with the head gimbal assembly App 20060007594 - Umehara; Tsuyoshi ; et al.	2006-01-12
Thin-film magnetic head with heater in overcoat multilayer, head gimbal assembly with thin-film magnetic head, and magnetic disk drive apparatus with head gimbal assembly App 20050270694 - Umehara, Tsuyoshi ; et al.	2005-12-08
Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, magnetic disk drive apparatus with head gimbal assembly, method for designing thin-film magnetic head and manufacturing method of thin-film magnetic head App 20050254171 - Ota, Norikazu ; et al.	2005-11-17
Method of lapping medium-opposing surface in thin-film magnetic head Grant 6,945,847 - Ota , et al. September 20, 2	2005-09-20
Thin-film merged magnetic head having a heat-generating layer Grant 6,920,020 - Yamanaka , et al. July 19, 2	2005-07-19
Precise positioning actuator for head element and head device with the actuator App 20050099735 - Ota, Norikazu ; et al.	2005-05-12
Head slider and manufacturing method thereof App 20050047016 - Koide, Soji ; et al.	2005-03-03
Thin film magnetic head and magnetic recording apparatus App 20050047015 - Matono, Naoto ; et al.	2005-03-03
Precise positioning actuator for head element and head device with the actuator Grant 6,842,311 - Ota , et al. January 11, 2	2005-01-11
Thin film magnetic head and magnetic recording apparatus App 20040264048 - Matono, Naoto ; et al.	2004-12-30
Magnetic head bar holding unit, lapping device, and method of lapping medium-opposing surface of thin-film magnetic head App 20040259474 - Oyama, Nobuya ; et al.	2004-12-23
Head slider, head gimbal assembly, and hard disk drive App 20040257706 - Ota, Norikazu ; et al.	2004-12-23
Method of lapping medium-opposing surface in thin-film magnetic head App 20040235394 - Ota, Norikazu ; et al.	2004-11-25
Magnetic head for vertical magnetic recording and method of manufacturing same, head gimbal assembly, and hard disk drive App 20040228033 - Aoki, Susumu ; et al.	2004-11-18
Thin-film magnetic head, head gimbal assembly, and hard disk drive App 20040201920 - Koide, Soji ; et al.	2004-10-14
Thin film magnetic head and magnetic recording apparatus App 20040190197 - Watabe, Yuichi ; et al.	2004-09-30
Head slider, head gimbal assembly, and hard disk drive App 20040184192 - Ota, Norikazu ; et al.	2004-09-23
Method of producing thin-film magnetic head, thin-film magnetic head, head gimbal assembly, and hard disk drive App 20040179299 - Sasaki, Tetsuro ; et al.	2004-09-16
Thin-film magnetic head, head gimbal assembly, and hard disk drive App 20040165311 - Yamanaka, Noboru ; et al.	2004-08-26
Thin-film magnetic head, head gimbal assembly, and hard disk drive App 20040165312 - Koide, Soji ; et al.	2004-08-26
Flying type thin-film magnetic head App 20040130820 - Ota, Norikazu	2004-07-08
Thin film magnetic head and method of manufacturing the same App 20040090704 - Matono, Naoto ; et al.	2004-05-13
Thin film magnetic head and method of manufacturing the same App 20040061988 - Matono, Naoto ; et al.	2004-04-01
Suspension, head gimbal assembly and manufacturing method of head gimbal assembly Grant 6,690,547 - Wada , et al. February 10, 2	2004-02-10
Head suspension assembly with a precise positioning micro-cap actuator composed of a piezoelectric material Grant 6,680,810 - Shiraishi , et al. January 20, 2	2004-01-20
Thin-film magnetic head App 20030235014 - Yamanaka, Noboru ; et al.	2003-12-25
Magnetic head apparatus with IC chip mounted on suspension for increased heat diffusion and magnetic disk apparatus having magnetic head apparatus Grant 6,665,148 - Shiraishi , et al. December 16, 2	2003-12-16
Precise positioning actuator for head element and head device with the actuator App 20020176212 - Ota, Norikazu ; et al.	2002-11-28
Suspension, head gimbal assembly and manufacturing method of head gimbal assembly App 20020171981 - Wada, Takeshi ; et al.	2002-11-21
Head slider with precise positioning actuator and manufacturing method of the head slider App 20020159192 - Wada, Takeshi ; et al.	2002-10-31
Suspension and head gimbal assembly App 20020154445 - Wada, Takeshi ; et al.	2002-10-24
Magnetic head apparatus and magnetic disk apparatus having the magnetic head apparatus App 20020021531 - Shiraishi, Masashi ; et al.	2002-02-21
Head suspension assembly with precise positioning actuator App 20010004303 - Wada, Takeshi ; et al.	2001-06-21