Akihiko Takeo

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk device
- Patent number 11,887,633
- Issue date Jan 30, 2024
- Kabushiki Kaisha Toshiba
- Takayuki Kawabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/reproducing device and magnetic recording/reprod...
- Patent number 11,862,206
- Issue date Jan 2, 2024
- Kabushiki Kaisha Toshiba
- Kaori Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 11,670,331
- Issue date Jun 6, 2023
- Kabushiki Kaisha Toshiba
- Kaori Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and rewrite processing method
- Patent number 11,594,250
- Issue date Feb 28, 2023
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device having first and second assist elements and wr...
- Patent number 11,568,892
- Issue date Jan 31, 2023
- Kabushiki Kaisha Toshiba
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive and head adjusting method
- Patent number 11,120,822
- Issue date Sep 14, 2021
- Kabushiki Kaisha Toshiba
- Masaya Ohtake
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device having first and second assist elements and wr...
- Patent number 11,114,127
- Issue date Sep 7, 2021
- Kabushiki Kaisha Toshiba
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device having two regions of different thicknesses
- Patent number 10,964,344
- Issue date Mar 30, 2021
- Kabushiki Kaisha Toshiba
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing device having a magnetic recordi...
- Patent number 10,854,222
- Issue date Dec 1, 2020
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reading apparatus and magnetic recording method
- Patent number 10,672,419
- Issue date Jun 2, 2020
- Kabushiki Kaisha Toshiba
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and disk device having gap layers with different magn...
- Patent number 10,657,990
- Issue date May 19, 2020
- Kabushiki Kaisha Toshiba
- Masaya Ohtake
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and write processing method
- Patent number 10,650,860
- Issue date May 12, 2020
- Kabushiki Kaisha Toshiba
- Nobuhiro Maeto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having difference skew angles at different regions on...
- Patent number 10,600,437
- Issue date Mar 24, 2020
- Kabushiki Kaisha Toshiba
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with specified thickness and saturation mag...
- Patent number 10,438,616
- Issue date Oct 8, 2019
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device which controls a recording operation and a non...
- Patent number 10,403,308
- Issue date Sep 3, 2019
- Kabushiki Kaisha Toshiba
- Gaku Koizumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus
- Patent number 10,360,931
- Issue date Jul 23, 2019
- Kabushiki Kaisha Toshiba
- Masaya Ohtake
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having magnetic pole and shield, and magnetic recordi...
- Patent number 10,276,193
- Issue date Apr 30, 2019
- Kabushiki Kaisha Toshiba
- Naoyuki Narita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus having magnetic flux control part and...
- Patent number 10,236,021
- Issue date Mar 19, 2019
- Kabushiki Kaisha Toshiba
- Naoyuki Narita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with specified thickness and saturation mag...
- Patent number 10,192,572
- Issue date Jan 29, 2019
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method of manufacturing the same
- Patent number 10,056,102
- Issue date Aug 21, 2018
- Kabushiki Kaisha Toshiba
- Kaori Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium, method of manufacturing th...
- Patent number 9,911,448
- Issue date Mar 6, 2018
- Kabushiki Kaisha Toshiba
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing device with stacked body configu...
- Patent number 9,886,971
- Issue date Feb 6, 2018
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic recording head
- Patent number 9,870,786
- Issue date Jan 16, 2018
- Kabushiki Kaisha Toshiba
- Tomomi Funayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording and reproducing device
- Patent number 9,799,354
- Issue date Oct 24, 2017
- Kabushiki Kaisha Toshiba
- Shuichi Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing spin torque oscillator
- Patent number 9,721,594
- Issue date Aug 1, 2017
- Kabushiki Kaisha Toshiba
- Akihiko Takeo
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for forming pattern, method for producing magnetic recording...
- Patent number 9,368,143
- Issue date Jun 14, 2016
- Kabushiki Kaisha Toshiba
- Kazutaka Takizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Pattern formation method, stamper manufacturing method, and magneti...
- Patent number 9,324,355
- Issue date Apr 26, 2016
- Kabushiki Kaisha Toshiba
- Kazutaka Takizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method of manufacturing the same
- Patent number 9,224,413
- Issue date Dec 29, 2015
- Kabushiki Kaisha Toshiba
- Kaori Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular spin torque oscillator FMR frequency measurement method
- Patent number 9,222,994
- Issue date Dec 29, 2015
- TDK Corporation
- Yuchen Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with multiple reproducing elements each having magnet...
- Patent number 9,171,558
- Issue date Oct 27, 2015
- Kabushiki Kaisha Toshiba
- Akihiko Takeo
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230282228
- Publication date Sep 7, 2023
- Kabushiki Kaisha Toshiba
- Takayuki Kawabe
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING/REPRODUCING DEVICE AND MAGNETIC RECORDING/REPROD...
- Publication number 20230169993
- Publication date Jun 1, 2023
- Kabushiki Kaisha Toshiba
- Kaori KIMURA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230074588
- Publication date Mar 9, 2023
- Kabushiki Kaisha Toshiba
- Kaori KIMURA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND REWRITE PROCESSING METHOD
- Publication number 20220068302
- Publication date Mar 3, 2022
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE HAVING FIRST AND SECOND ASSIST ELEMENTS AND WR...
- Publication number 20210366517
- Publication date Nov 25, 2021
- Kabushiki Kaisha Toshiba
- Hiroyuki SUZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DRIVE AND HEAD ADJUSTING METHOD
- Publication number 20210256996
- Publication date Aug 19, 2021
- Kabushiki Kaisha Toshiba
- Masaya OHTAKE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND WRITE OPERATION METHOD
- Publication number 20210090605
- Publication date Mar 25, 2021
- Kabushiki Kaisha Toshiba
- Hiroyuki SUZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME
- Publication number 20200243108
- Publication date Jul 30, 2020
- Kabushiki Kaisha Toshiba
- Masaya OHTAKE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20200176026
- Publication date Jun 4, 2020
- Kabushiki Kaisha Toshiba
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING AND READING APPARATUS AND MAGNETIC RECORDING METHOD
- Publication number 20200176020
- Publication date Jun 4, 2020
- Kabushiki Kaisha Toshiba
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20200090683
- Publication date Mar 19, 2020
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND WRITE PROCESSING METHOD
- Publication number 20190378543
- Publication date Dec 12, 2019
- Kabushiki Kaisha Toshiba
- Nobuhiro MAETO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20190295577
- Publication date Sep 26, 2019
- TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING APPARATUS
- Publication number 20190189149
- Publication date Jun 20, 2019
- Kabushiki Kaisha Toshiba
- Masaya OHTAKE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20190115047
- Publication date Apr 18, 2019
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20190088275
- Publication date Mar 21, 2019
- Kabushiki Kaisha Toshiba
- Naoyuki NARITA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME
- Publication number 20190066717
- Publication date Feb 28, 2019
- Kabushiki Kaisha Toshiba
- Masaya Ohtake
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND RECORDING HEAD CONTROL METHOD
- Publication number 20190051322
- Publication date Feb 14, 2019
- Kabushiki Kaisha Toshiba
- Gaku Koizumi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING APPARATUS AND MAGNETIC RECORDING HEAD
- Publication number 20180268848
- Publication date Sep 20, 2018
- Kabushiki Kaisha Toshiba
- Naoyuki Narita
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20180114539
- Publication date Apr 26, 2018
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20170236537
- Publication date Aug 17, 2017
- Kabushiki Kaisha Toshiba
- Shuichi MURAKAMI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20170186450
- Publication date Jun 29, 2017
- Kabushiki Kaisha Toshiba
- Kenichiro YAMADA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MANUFACTURING MAGNETIC RECORDING HEAD
- Publication number 20170047084
- Publication date Feb 16, 2017
- Kabushiki Kaisha Toshiba
- Tomomi Funayama
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING HEAD, MAGNETIC RECORDING DEVICE COMPRISING RECORDING HEAD...
- Publication number 20160225392
- Publication date Aug 4, 2016
- Kabushiki Kaisha Toshiba
- Akihiko Takeo
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING TH...
- Publication number 20160196847
- Publication date Jul 7, 2016
- Kabushiki Kaisha Toshiba
- Takeshi IWASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MICROWAVE-ASSISTED MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCING...
- Publication number 20160163340
- Publication date Jun 9, 2016
- Kabushiki Kaisha Toshiba
- Naoyuki Narita
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160078892
- Publication date Mar 17, 2016
- Kabushiki Kaisha Toshiba
- Kaori KIMURA
- G11 - INFORMATION STORAGE
Information Patent Application
PATTERN FORMATION METHOD, STAMPER MANUFACTURING METHOD, AND MAGNETI...
- Publication number 20150179205
- Publication date Jun 25, 2015
- KABUSHIKI KAISHA TOSHIBA
- Kazutaka TAKIZAWA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING...
- Publication number 20150162042
- Publication date Jun 11, 2015
- KABUSHIKI KAISHA TOSHIBA
- Kaori Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TORQUE OSCILLATOR, METHOD OF MANUFACTURING THE SAME, MAGNETIC...
- Publication number 20150074986
- Publication date Mar 19, 2015
- Kabushiki Kaisha Toshiba
- Akihiko TAKEO
- G11 - INFORMATION STORAGE

Akihiko Takeo

Person

Patents Grantslast 30 patents

Magnetic disk device

Magnetic recording/reproducing device and magnetic recording/reprod...

Magnetic disk device

Magnetic disk device and rewrite processing method

Magnetic disk device having first and second assist elements and wr...

Magnetic disk drive and head adjusting method

Magnetic disk device having first and second assist elements and wr...

Magnetic disk device having two regions of different thicknesses

Magnetic recording and reproducing device having a magnetic recordi...

Magnetic recording and reading apparatus and magnetic recording method

Magnetic head and disk device having gap layers with different magn...

Magnetic disk device and write processing method

Magnetic head having difference skew angles at different regions on...

Magnetic recording head with specified thickness and saturation mag...

Magnetic disk device which controls a recording operation and a non...

Magnetic recording apparatus

Magnetic head having magnetic pole and shield, and magnetic recordi...

Magnetic recording apparatus having magnetic flux control part and...

Magnetic recording head with specified thickness and saturation mag...

Magnetic recording medium and method of manufacturing the same

Perpendicular magnetic recording medium, method of manufacturing th...

Magnetic recording and reproducing device with stacked body configu...

Method of manufacturing magnetic recording head

Magnetic recording head and magnetic recording and reproducing device

Method of manufacturing spin torque oscillator

Method for forming pattern, method for producing magnetic recording...

Pattern formation method, stamper manufacturing method, and magneti...

Magnetic recording medium and method of manufacturing the same

Perpendicular spin torque oscillator FMR frequency measurement method

Magnetic head with multiple reproducing elements each having magnet...

Patents Applicationslast 30 patents

MAGNETIC DISK DEVICE

MAGNETIC RECORDING/REPRODUCING DEVICE AND MAGNETIC RECORDING/REPROD...

MAGNETIC DISK DEVICE

MAGNETIC DISK DEVICE AND REWRITE PROCESSING METHOD

MAGNETIC DISK DEVICE HAVING FIRST AND SECOND ASSIST ELEMENTS AND WR...

MAGNETIC DISK DRIVE AND HEAD ADJUSTING METHOD

MAGNETIC DISK DEVICE AND WRITE OPERATION METHOD

MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME

MAGNETIC DISK DEVICE

MAGNETIC RECORDING AND READING APPARATUS AND MAGNETIC RECORDING METHOD

MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC DISK DEVICE AND WRITE PROCESSING METHOD

MAGNETIC DISK DEVICE

MAGNETIC RECORDING APPARATUS

MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME

MAGNETIC DISK DEVICE AND RECORDING HEAD CONTROL METHOD

MAGNETIC RECORDING APPARATUS AND MAGNETIC RECORDING HEAD

MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC RECORDING AND REPRODUCING DEVICE

METHOD OF MANUFACTURING MAGNETIC RECORDING HEAD

RECORDING HEAD, MAGNETIC RECORDING DEVICE COMPRISING RECORDING HEAD...

PERPENDICULAR MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING TH...

MICROWAVE-ASSISTED MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCING...

MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME

PATTERN FORMATION METHOD, STAMPER MANUFACTURING METHOD, AND MAGNETI...

PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING...

SPIN TORQUE OSCILLATOR, METHOD OF MANUFACTURING THE SAME, MAGNETIC...