Junichi Akiyama

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic memory and manufacturing method thereof
- Patent number 9,190,168
- Issue date Nov 17, 2015
- Kabushiki Kaisha Toshiba
- Shiho Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic memory element and magnetic memory apparatus
- Patent number 8,982,611
- Issue date Mar 17, 2015
- Kabushiki Kaisha Toshiba
- Tsuyoshi Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with spin torque oscillator and magnetic recording head
- Patent number 8,654,480
- Issue date Feb 18, 2014
- Kabushiki Kaisha Toshiba
- Mariko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording apparatus
- Patent number 8,547,662
- Issue date Oct 1, 2013
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording apparatus
- Patent number 8,400,734
- Issue date Mar 19, 2013
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic recording head and magnetic recording apparatus
- Patent number 8,295,009
- Issue date Oct 23, 2012
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic head with spin oscillation device(s) and magnetic recordin...
- Patent number 8,270,112
- Issue date Sep 18, 2012
- Kabushiki Kaisha Toshiba
- Tomomi Funayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head
- Patent number 8,264,799
- Issue date Sep 11, 2012
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording apparatus
- Patent number 8,238,060
- Issue date Aug 7, 2012
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with spin oscillation device and magnetic r...
- Patent number 8,164,854
- Issue date Apr 24, 2012
- Kabushiki Kaisha Toshiba
- Masayuki Takagishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording device
- Patent number 8,154,825
- Issue date Apr 10, 2012
- Kabushiki Kaisha Toshiba
- Masahiro Takashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with protruding spin torque oscillator
- Patent number 8,139,322
- Issue date Mar 20, 2012
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording/reproducing device having head covering by re...
- Patent number 8,050,171
- Issue date Nov 1, 2011
- Kabushiki Kaisha Toshiba
- Shinya Aoki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Information recording/reproducing device
- Patent number 7,961,586
- Issue date Jun 14, 2011
- Kabushiki Kaisha Toshiba
- Kohichi Kubo
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording head and magnetic recording apparatus
- Patent number 7,957,098
- Issue date Jun 7, 2011
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Positioning system mounted on probe memory device and positioning m...
- Patent number 7,852,739
- Issue date Dec 14, 2010
- Kabushiki Kaisha Toshiba
- Akihiro Koga
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Apparatus for assisting write operation using high frequency magnet...
- Patent number 7,791,829
- Issue date Sep 7, 2010
- Kabushiki Kaisha Toshiba
- Akihiko Takeo
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of holographic recording and reproduction, holographic recor...
- Patent number 7,664,001
- Issue date Feb 16, 2010
- Kabushiki Kaish Toshiba
- Akiko Hirao
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording apparatus
- Patent number 7,602,693
- Issue date Oct 13, 2009
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optically-assisted magnetic recording head and optically-assisted m...
- Patent number 7,372,648
- Issue date May 13, 2008
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, magnetic recording apparatus and magneti...
- Patent number 7,330,335
- Issue date Feb 12, 2008
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording-reproducing apparatus
- Patent number 7,054,087
- Issue date May 30, 2006
- Kabushiki Kaisha Toshiba
- Tadashi Kai
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head, method of manufacturing...
- Patent number 7,042,810
- Issue date May 9, 2006
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus and magnetic recording method
- Patent number 6,982,845
- Issue date Jan 3, 2006
- Kabushiki Kaisha Toshiba
- Tadashi Kai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording/reproducing appara...
- Patent number 6,972,923
- Issue date Dec 6, 2005
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording-reproducing apparatus
- Patent number 6,930,847
- Issue date Aug 16, 2005
- Kabushiki Kaisha Toshiba
- Tadashi Kai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus and method of designing the same
- Patent number 6,894,857
- Issue date May 17, 2005
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium including functional and recording layers...
- Patent number 6,881,495
- Issue date Apr 19, 2005
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium with multiple magnetic layers capable of...
- Patent number 6,830,824
- Issue date Dec 14, 2004
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Optically-assisted magnetic recording head and optically-assisted m...
- Patent number 6,795,380
- Issue date Sep 21, 2004
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic Recording Head and Magnetic Recording Apparatus
- Publication number 20130329317
- Publication date Dec 12, 2013
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC MEMORY AND MANUFACTURING METHOD THEREOF
- Publication number 20130083595
- Publication date Apr 4, 2013
- Kabushiki Kaisha Toshiba
- Shiho Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC MEMORY ELEMENT AND MAGNETIC MEMORY APPARATUS
- Publication number 20130077396
- Publication date Mar 28, 2013
- Kabushiki Kaisha Toshiba
- Tsuyoshi Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD WITH SPIN TORQUE OSCILLATOR AND MAGNETIC RECORDING HEAD
- Publication number 20120275060
- Publication date Nov 1, 2012
- Kabushiki Kaisha Toshiba
- Mariko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS
- Publication number 20120268844
- Publication date Oct 25, 2012
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS
- Publication number 20110299192
- Publication date Dec 8, 2011
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS
- Publication number 20110300409
- Publication date Dec 8, 2011
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS
- Publication number 20100220415
- Publication date Sep 2, 2010
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head and magnetic recording apparatus
- Publication number 20090225465
- Publication date Sep 10, 2009
- Kabushiki Kaisha Toshiba
- Hitoshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic recording device
- Publication number 20090080120
- Publication date Mar 26, 2009
- Kabushiki Kaisha Toshiba
- Tomomi Funayama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic recording device
- Publication number 20090080106
- Publication date Mar 26, 2009
- Kabushiki Kaisha Toshiba
- Mariko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head and magnetic recording device
- Publication number 20090080105
- Publication date Mar 26, 2009
- Kabushiki Kaisha Toshiba
- Masahiro Takashita
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND DISK DRIVE WITH HIGH-FREQUENCY ASSISTED WRITING
- Publication number 20090059418
- Publication date Mar 5, 2009
- Kabushiki Kaisha Toshiba
- Akihiko Takeo
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head and magnetic recording apparatus
- Publication number 20090059423
- Publication date Mar 5, 2009
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUS FOR ASSISTING WRITE OPERATION USING HIGH FREQUENCY MAGNET...
- Publication number 20090059417
- Publication date Mar 5, 2009
- Kabushiki Kaisha Toshiba
- Akihiko Takeo
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head and magnetic recording apparatus
- Publication number 20090052095
- Publication date Feb 26, 2009
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head and magnetic recording apparatus
- Publication number 20080304176
- Publication date Dec 11, 2008
- Kabushiki Kaisha Toshiba
- Masayuki Takagishi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DEVICE, MAGNETIC RECORDING HEAD, AND MAGNETIC RECORDING AP...
- Publication number 20080268291
- Publication date Oct 30, 2008
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
POSITIONING SYSTEM MOUNTED ON PROBE MEMORY DEVICE AND POSITIONING M...
- Publication number 20080253269
- Publication date Oct 16, 2008
- Kabushiki Kaisha Toshiba
- Akihiro Koga
- G11 - INFORMATION STORAGE
Information Patent Application
INFORMATION RECORDING/REPRODUCING DEVICE
- Publication number 20080231986
- Publication date Sep 25, 2008
- Kubushiki Kaisha Toshiba
- Shinya Aoki
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING APPARATUS AND MAGNETI...
- Publication number 20080096050
- Publication date Apr 24, 2008
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording/reproducing device
- Publication number 20080068743
- Publication date Mar 20, 2008
- Koichi Kubo
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording and reproducing apparatus
- Publication number 20070274193
- Publication date Nov 29, 2007
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Data recording apparatus
- Publication number 20070053101
- Publication date Mar 8, 2007
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Method of holographic recording and reproduction, holographic recor...
- Publication number 20060215528
- Publication date Sep 28, 2006
- Kabushiki Kaisha Toshiba
- Akiko Hirao
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, magnetic recording apparatus and magneti...
- Publication number 20050041335
- Publication date Feb 24, 2005
- KABUSHIKI KAISHA TOSHIBA
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording-reproducing apparatus
- Publication number 20050036225
- Publication date Feb 17, 2005
- Kabushiki Kaisha Toshiba
- Tadashi Kai
- G11 - INFORMATION STORAGE
Information Patent Application
Optically-assisted magnetic recording head and optically-assisted m...
- Publication number 20050018547
- Publication date Jan 27, 2005
- Kabushiki Kaisha Toshiba
- Junichi Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Thermally-assisted magnetic recording device, thermally-assisted ma...
- Publication number 20040184361
- Publication date Sep 23, 2004
- KABUSHIKI KAISHA TOSHIBA
- Katsutaro Ichihara
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording/reproducing apparatus
- Publication number 20040053078
- Publication date Mar 18, 2004
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE

Junichi Akiyama

Person

Patents Grantslast 30 patents

Magnetic memory and manufacturing method thereof

Magnetic memory element and magnetic memory apparatus

Magnetic head with spin torque oscillator and magnetic recording head

Magnetic recording head and magnetic recording apparatus

Magnetic recording head and magnetic recording apparatus

Magnetic recording head and magnetic recording apparatus

Magnetic head with spin oscillation device(s) and magnetic recordin...

Magnetic recording head

Magnetic recording head and magnetic recording apparatus

Magnetic recording head with spin oscillation device and magnetic r...

Magnetic recording head and magnetic recording device

Magnetic recording head with protruding spin torque oscillator

Information recording/reproducing device having head covering by re...

Information recording/reproducing device

Magnetic recording head and magnetic recording apparatus

Positioning system mounted on probe memory device and positioning m...

Apparatus for assisting write operation using high frequency magnet...

Method of holographic recording and reproduction, holographic recor...

Data recording apparatus

Optically-assisted magnetic recording head and optically-assisted m...

Magnetic recording medium, magnetic recording apparatus and magneti...

Magnetic recording-reproducing apparatus

Thermally-assisted magnetic recording head, method of manufacturing...

Magnetic recording apparatus and magnetic recording method

Magnetic recording medium and magnetic recording/reproducing appara...

Magnetic recording-reproducing apparatus

Magnetic recording apparatus and method of designing the same

Magnetic recording medium including functional and recording layers...

Magnetic recording medium with multiple magnetic layers capable of...

Optically-assisted magnetic recording head and optically-assisted m...

Patents Applicationslast 30 patents

Magnetic Recording Head and Magnetic Recording Apparatus

MAGNETIC MEMORY AND MANUFACTURING METHOD THEREOF

MAGNETIC MEMORY ELEMENT AND MAGNETIC MEMORY APPARATUS

MAGNETIC HEAD WITH SPIN TORQUE OSCILLATOR AND MAGNETIC RECORDING HEAD

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS

Magnetic recording head and magnetic recording apparatus

Magnetic head and magnetic recording device

Magnetic head and magnetic recording device

Magnetic recording head and magnetic recording device

MAGNETIC HEAD AND DISK DRIVE WITH HIGH-FREQUENCY ASSISTED WRITING

Magnetic recording head and magnetic recording apparatus

APPARATUS FOR ASSISTING WRITE OPERATION USING HIGH FREQUENCY MAGNET...

Magnetic recording head and magnetic recording apparatus

Magnetic recording head and magnetic recording apparatus

MAGNETIC DEVICE, MAGNETIC RECORDING HEAD, AND MAGNETIC RECORDING AP...

POSITIONING SYSTEM MOUNTED ON PROBE MEMORY DEVICE AND POSITIONING M...

INFORMATION RECORDING/REPRODUCING DEVICE

MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING APPARATUS AND MAGNETI...

Information recording/reproducing device

Information recording and reproducing apparatus

Data recording apparatus

Method of holographic recording and reproduction, holographic recor...

Magnetic recording medium, magnetic recording apparatus and magneti...

Magnetic recording-reproducing apparatus

Optically-assisted magnetic recording head and optically-assisted m...

Thermally-assisted magnetic recording device, thermally-assisted ma...

Magnetic recording medium and magnetic recording/reproducing apparatus