Takano; Hisashi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Takano; Hisashi.The latest application filed is for "method to reduce baseline shift for a sot differential reader".

Company Profile

0.62.43

Takano; Hisashi - San Jose CA
Takano; Hisashi - Kodaira JP
Takano; Hisashi - Hachioji JP
Takano; Hisashi - Hachioji-shi JP
Takano; Hisashi - Tokyo JP
Takano, Hisashi - Kodaira-shi JP
Takano; Hisashi - Hachiouji JP
Takano; Hisashi - St. Paul MN
Takano; Hisashi - Kokubunji 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
Read head having one or more antiferromagnetic layers above soft bias side shields, and related methods Grant 11,437,061 - Le , et al. September 6, 2	2022-09-06
SOT Film Stack For Differential Reader App 20220013138 - HWANG; Cherngye ; et al.	2022-01-13
Method to Reduce Baseline Shift for a SOT Differential Reader App 20220013139 - LE; Quang ; et al.	2022-01-13
Method to reduce baseline shift for a SOT differential reader Grant 11,222,656 - Le , et al. January 11, 2	2022-01-11
SOT Differential Reader And Method Of Making Same App 20220005498 - LE; Quang ; et al.	2022-01-06
SOT differential reader and method of making same Grant 11,100,946 - Le , et al. August 24, 2	2021-08-24
SOT film stack for differential reader Grant 11,094,338 - Hwang , et al. August 17, 2	2021-08-17
Apparatus, signal-processing circuit and device for magnetic recording system Grant 8,144,415 - Sawaguchi , et al. March 27, 2	2012-03-27
Apparatus, signal-processing circuit and device for magnetic recording system App 20110013306 - Sawaguchi; Hideki ; et al.	2011-01-20
Method of servo writing for magnetic recording system, magnetic recording system Grant 7,839,590 - Nishida , et al. November 23, 2	2010-11-23
Apparatus, signal-processing circuit and device for magnetic recording system Grant 7,817,367 - Sawaguchi , et al. October 19, 2	2010-10-19
Apparatus, signal-processing circuit and device for magnetic recording system Grant 7,502,189 - Sawaguchi , et al. March 10, 2	2009-03-10
Method of servo writing for magnetic recording system, magnetic recording system App 20090021854 - Nishida; Yasutaka ; et al.	2009-01-22
Apparatus, signal-processing circuit and device for magnetic recording system App 20090021852 - Sawaguchi; Hideki ; et al.	2009-01-22
Magnetic disk drive Grant 7,443,625 - Hamaguchi , et al. October 28, 2	2008-10-28
Method of servo writing for magnetic recording system, magnetic recording system Grant 7,436,611 - Nishida , et al. October 14, 2	2008-10-14
Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect Grant 7,292,417 - Nakatani , et al. November 6, 2	2007-11-06
Device and signal processing circuit for magnetic recording, magnetic recording apparatus Grant 7,259,929 - Sawaguchi , et al. August 21, 2	2007-08-21
Magnetic hard disk drive Grant 7,184,236 - Hamaguchi , et al. February 27, 2	2007-02-27
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20070030604 - Nakatani; Ryoichi ; et al.	2007-02-08
Method for manufacturing magnetic head device Grant 7,159,303 - Nakatani , et al. January 9, 2	2007-01-09
Single pole type recording head with trailing side tapered edges Grant 7,133,252 - Takano , et al. November 7, 2	2006-11-07
Magnetic disk drive App 20060187578 - Hamaguchi; Takehiko ; et al.	2006-08-24
Perpendicular magnetic recording system Grant 7,088,548 - Nishida , et al. August 8, 2	2006-08-08
Method of servo writing for magnetic recording system, magnetic recording system App 20060171052 - Nishida; Yasutaka ; et al.	2006-08-03
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20060152862 - Nakatani; Ryoichi ; et al.	2006-07-13
Method of servo writing for magnetic recording system, magnetic recording system Grant 7,075,743 - Nishida , et al. July 11, 2	2006-07-11
Magnetic disk device having a write head to write by shifting in a radial direction Grant 7,057,838 - Hamaguchi , et al. June 6, 2	2006-06-06
Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect Grant 7,054,120 - Nakatani , et al. May 30, 2	2006-05-30
Single pole type recording head with tapered edges App 20060103978 - Takano; Hisashi ; et al.	2006-05-18
Disk drive having magnetic head conduction paths with arrangements to control impedance Grant 7,016,156 - Maruyama , et al. March 21, 2	2006-03-21
Single pole type recording head with tapered edges Grant 7,006,326 - Okada , et al. February 28, 2	2006-02-28
Device and signal processing circuit for magnetic recording, magnetic recording apparatus App 20050237651 - Sawaguchi, Hideki ; et al.	2005-10-27
Device and signal processing circuit for magnetic recording, magnetic recording apparatus Grant 6,912,100 - Sawaguchi , et al. June 28, 2	2005-06-28
Magnetic disk drive Grant 6,906,889 - Hamaguchi , et al. June 14, 2	2005-06-14
Disk drive having magnetic head conduction paths with arrangements to control impedance Grant 6,894,874 - Maruyama , et al. May 17, 2	2005-05-17
Magnetic recording disk drive Grant 6,879,460 - Tomiyama , et al. April 12, 2	2005-04-12
Magnetic disk drive App 20050063097 - Maruyama, Yohji ; et al.	2005-03-24
Magnetic hard disk drive App 20050036226 - Hamaguchi, Takehiko ; et al.	2005-02-17
Combination perpendicular magnetic head having shield material formed at both ends of an upper pole of a write element Grant 6,839,200 - Takano , et al. January 4, 2	2005-01-04
Magnetic hard disk drive Grant 6,822,818 - Hamaguchi , et al. November 23, 2	2004-11-23
Device and signal processing circuit for magnetic recording, magnetic recording apparatus App 20040190172 - Sawaguchi, Hideki ; et al.	2004-09-30
Single pole type recording head and magnetic storage apparatus App 20040150910 - Okada, Tomohiro ; et al.	2004-08-05
Magnetic disk drive App 20040125489 - Maruyama, Yohji ; et al.	2004-07-01
Data recording/reproducing signal processing circuit for magnetic recording, and perpendicular magnetic recording/reproducing apparatus using it Grant 6,741,412 - Sawaguchi , et al. May 25, 2	2004-05-25
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20040090850 - Nakatani, Ryoichi ; et al.	2004-05-13
Narrow track thin film magnetic head and fabrication method thereof App 20040080865 - Takano, Hisashi ; et al.	2004-04-29
Magnetic recording disk drive App 20040075937 - Tomiyama, Futoshi ; et al.	2004-04-22
Perpendicular magnetic recording system App 20040070869 - Nishida, Yasutaka ; et al.	2004-04-15
Magnetic disk drive Grant 6,717,760 - Hamaguchi , et al. April 6, 2	2004-04-06
Single pole type recording head including tapered edges Grant 6,710,973 - Okada , et al. March 23, 2	2004-03-23
Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference Grant 6,687,099 - Nakatani , et al. February 3, 2	2004-02-03
Magnetic head having track width defined by trench portions filled with magnetic shield material Grant 6,665,141 - Takano , et al. December 16, 2	2003-12-16
Magnetic disk apparatus with magnetic head having upper and lower magnetic cores of an electroplated thin film Grant 6,661,606 - Sano , et al. December 9, 2	2003-12-09
Magnetic disk drive Grant 6,661,613 - Maruyama , et al. December 9, 2	2003-12-09
Perpendicular magnetic recording system Grant 6,657,813 - Nishida , et al. December 2, 2	2003-12-02
Magnetic recording disk drive Grant 6,657,804 - Tomiyama , et al. December 2, 2	2003-12-02
Method of controlling read write operation of a magnetic disk apparatus Grant 6,657,805 - Nishida , et al. December 2, 2	2003-12-02
Magnetic disk drive App 20030189774 - Hamaguchi, Takehiko ; et al.	2003-10-09
Magnetic disk apparatus App 20030123186 - Sano, Masaaki ; et al.	2003-07-03
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20030117750 - Nakatani, Ryoichi ; et al.	2003-06-26
Magnetic disk drive App 20030103294 - Maruyama, Yohji ; et al.	2003-06-05
Narrow track thin film magnetic head and fabrication method thereof App 20030099063 - Takano, Hisashi ; et al.	2003-05-29
Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequency Grant 6,530,141 - Komuro , et al. March 11, 2	2003-03-11
Magnetic disk drive Grant 6,515,817 - Hamaguchi , et al. February 4, 2	2003-02-04
Magnetic disk drive App 20020191328 - Hamaguchi, Takehiko ; et al.	2002-12-19
Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect Grant 6,483,677 - Nakatani , et al. November 19, 2	2002-11-19
Disk storage system, thin film magnetic head therefor and fabricating method thereof App 20020154444 - Sano, Masaaki ; et al.	2002-10-24
Magnetic head and magnetic storage apparatus using the same Grant 6,469,873 - Maruyama , et al. October 22, 2	2002-10-22
Magnetic disk drive App 20020131188 - Hamaguchi, Takehiko ; et al.	2002-09-19
Magnetic disk drive App 20020109944 - Maruyama, Yohji ; et al.	2002-08-15
Narrow track thin film magnetic head and fabrication method thereof App 20020080521 - Takano, Hisashi ; et al.	2002-06-27
Magnetic disk drive with integrated electrical conductors for recording element Grant 6,404,594 - Maruyama , et al. June 11, 2	2002-06-11
Apparatus, signal-processing circuit and device for magnetic recording system App 20020060869 - Sawaguchi, Hideki ; et al.	2002-05-23
Magnetic hard disk drive App 20020060871 - Hamaguchi, Takehiko ; et al.	2002-05-23
Method of servo writing for magnetic recording system, magnetic recording system App 20020057509 - Nishida, Yasutaka ; et al.	2002-05-16
Single pole type recording head and magnetic storage apparatus App 20020034043 - Okada, Tomohiro ; et al.	2002-03-21
Method of controlling read write operation of a magnetic disk apparatus App 20020030915 - Nishida, Yasutaka ; et al.	2002-03-14
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20020018325 - Nakatani, Ryoichi ; et al.	2002-02-14
Device and signal processing circuit for magnetic recording, magnetic recording apparatus App 20020012185 - Sawaguchi, Hideki ; et al.	2002-01-31
Disk storage system, thin film magnetic head therefor and fabricating method thereof App 20020008937 - Sano, Masaaki ; et al.	2002-01-24
Magnetic disk apparatus with data track reassigning function Grant 6,310,741 - Nishida , et al. October 30, 2	2001-10-30
Magnetic storage apparatus App 20010028526 - Takano, Hisashi ; et al.	2001-10-11
Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequency App 20010027603 - Komuro, Matahiro ; et al.	2001-10-11
Perpendicular magnetic recording system App 20010017746 - Nishida, Yasutaka ; et al.	2001-08-30
Narrow track thin film head having a focused ion beam etched air bearing surface Grant 6,278,578 - Takano , et al. August 21, 2	2001-08-21
Magnetic head and magnetic storage apparatus using the same App 20010006443 - Maruyama, Yoji ; et al.	2001-07-05
Thin film magnetic head with Ni-Fe alloy thin film Grant 6,118,628 - Sano , et al. September 12, 2	2000-09-12
Magnetic head with a magnetic pole sandwiched between conductive materials Grant 6,104,574 - Takano , et al. August 15, 2	2000-08-15
Thin film magnetic recording head with very narrow track width performing high density recording at high driving frequency Grant 6,091,582 - Komuro , et al. July 18, 2	2000-07-18
Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions Grant 6,011,674 - Nakatani , et al. January 4, 2	2000-01-04
Magnetic head having track width specified by grooves formed with projection ion beam Grant 5,910,871 - Kawanami , et al. June 8, 1	1999-06-08
Longitudinal magnetic recording medium and apparatus Grant 5,766,718 - Matsuda , et al. June 16, 1	1998-06-16
Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction Grant 5,736,235 - Matsuda , et al. April 7, 1	1998-04-07
Multilayer magnetoresistance effect-type magnetic head Grant 5,726,837 - Nakatani , et al. March 10, 1	1998-03-10
Method of head positioning and magnetic recording disk drive using the same Grant 5,568,331 - Akagi , et al. October 22, 1	1996-10-22
Magnetic recording head capable of defining narrow track width and magnetic recording apparatus using the same Grant 5,402,295 - Suzuki , et al. March 28, 1	1995-03-28
Multilayer magnetoresistance effect-type magnetic head Grant 5,390,061 - Nakatani , et al. February 14, 1	1995-02-14
Magnetic recording data storage system Grant 5,325,244 - Takano , et al. June 28, 1	1994-06-28
Integrated magnetic head having a magnetic layer functioning as both a magnetic shield and a magnetic pole Grant 5,168,409 - Koyama , et al. December 1, 1	1992-12-01
High-density magnetic recording and optical reproducing apparatus Grant 5,093,822 - Kugiya , et al. March 3, 1	1992-03-03
Magnetic disk drive Grant 5,083,226 - Shiiki , et al. January 21, 1	1992-01-21
Thin film magnetic head including magnetic layers having high saturation magnetic flux density and metal film for avoiding deterioration during manufacturing Grant 4,943,879 - Takano , et al. July 24, 1	1990-07-24
Magnetic head Grant 4,922,360 - Takano , et al. May 1, 1	1990-05-01
Mangeto-resistive type read head Grant 4,907,114 - Shiiki , et al. March 6, 1	1990-03-06

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