Toshinori WATANABE

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic recording head
- Patent number 8,054,581
- Issue date Nov 8, 2011
- TDK Corporation
- Toshinori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head and perpendicular magnetic re...
- Patent number 7,903,371
- Issue date Mar 8, 2011
- TDK Corporation
- Yusuke Toma
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head device capable of increasing...
- Patent number 7,889,457
- Issue date Feb 15, 2011
- TDK Corporation
- Hisayuki Yazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head having a stepped portion and...
- Patent number 7,643,246
- Issue date Jan 5, 2010
- TDK Corporation
- Hisayuki Yazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a perpendicular magnetic recording head
- Patent number 7,472,470
- Issue date Jan 6, 2009
- TDK Corporation
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head, magnetic device including the same, and me...
- Patent number 7,215,512
- Issue date May 8, 2007
- Alps Electric Co., Ltd.
- Hisayuki Yazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a perpendicular magnetic recording head
- Patent number 7,181,829
- Issue date Feb 27, 2007
- Alps Electric Co., Ltd.
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a thin film magnetic head
- Patent number 7,174,621
- Issue date Feb 13, 2007
- Alps Electronic Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head appropriately suppressing side fringing and...
- Patent number 7,167,340
- Issue date Jan 23, 2007
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head appropriately suppressing side fringing and...
- Patent number 7,158,345
- Issue date Jan 2, 2007
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing thin film magnetic head having partial insu...
- Patent number 7,073,250
- Issue date Jul 11, 2006
- Alps Electric Co., Ltd.
- Sumihito Morita
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having partial insulating layer formed on b...
- Patent number 6,999,275
- Issue date Feb 14, 2006
- Alps Electric Co., Ltd.
- Sumihito Morita
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and method of manufacturing the same
- Patent number 6,965,495
- Issue date Nov 15, 2005
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head having main magnetic pole lay...
- Patent number 6,958,886
- Issue date Oct 25, 2005
- Alps Electric Co., Ltd.
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having partial insulating layer formed on b...
- Patent number 6,954,333
- Issue date Oct 11, 2005
- Alps Electric Co., Ltd.
- Sumihito Morita
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head capable of suppressing side fringing
- Patent number 6,898,056
- Issue date May 24, 2005
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head designed for narrower tracks
- Patent number 6,898,055
- Issue date May 24, 2005
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head causing appropriately suppressed side fring...
- Patent number 6,768,611
- Issue date Jul 27, 2004
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head reliably producing fringing flux at gap lay...
- Patent number 6,751,053
- Issue date Jun 15, 2004
- Alps Electric Co., Ltd.
- Toshinori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head for perpendicular magnetic recording having...
- Patent number 6,751,054
- Issue date Jun 15, 2004
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having side faces of the Gd defining layer...
- Patent number 6,738,223
- Issue date May 18, 2004
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with upper core and lower core layers reduc...
- Patent number 6,731,458
- Issue date May 4, 2004
- Alps Electric Co., Ltd.
- Toshinori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head with inverted trapezoidal mai...
- Patent number 6,697,221
- Issue date Feb 24, 2004
- Alps Electronic Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head having main magnetic pole lay...
- Patent number 6,687,084
- Issue date Feb 3, 2004
- Alps Electric Co., Ltd.
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head having a high specific resistance layer
- Patent number 6,538,845
- Issue date Mar 25, 2003
- Alps Electric Co., Ltd.
- Toshinori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive head using exchange anisotropic magnetic field wit...
- Patent number RE37992
- Issue date Feb 18, 2003
- Alps Electric Co., Ltd.
- Masamichi Saito
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Thin film magnetic head having very narrow track width and manufact...
- Patent number 6,466,403
- Issue date Oct 15, 2002
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method for magnetoresistive head having an antiferrom...
- Patent number RE37819
- Issue date Aug 13, 2002
- Alps Electric Co., Ltd.
- Masamichi Saito
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Method of manufacturing film laminate having exchange anisotropic m...
- Patent number 6,352,621
- Issue date Mar 5, 2002
- Alps Electric Co., Ltd.
- Masamichi Saito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Combination magnetoresistive/inductive thin film magnetic head and...
- Patent number 6,346,338
- Issue date Feb 12, 2002
- Alps Electric Co., Ltd.
- Toshinori Watanabe
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PERPENDICULAR MAGNETIC RECORDING HEAD
- Publication number 20080304186
- Publication date Dec 11, 2008
- TDK Corporation
- Toshinori WATANABE
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular Magnetic Recording Head and Perpendicular Magnetic Re...
- Publication number 20080019042
- Publication date Jan 24, 2008
- Alps Electric Company, Ltd.
- Yusuke TOMA
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING HEAD DEVICE CAPABLE OF INCREASING...
- Publication number 20070139819
- Publication date Jun 21, 2007
- Alps Electric Co., Ltd.
- HISAYUKI YAZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING HEAD HAVING MAIN MAGNETIC POLE LAY...
- Publication number 20070115594
- Publication date May 24, 2007
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording head and method of manufacturing t...
- Publication number 20070064343
- Publication date Mar 22, 2007
- Alps Electric Co., Ltd.
- Hisayuki Yazawa
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording head having main magnetic pole lay...
- Publication number 20060002025
- Publication date Jan 5, 2006
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head appropriately suppressing side fringing and...
- Publication number 20050168870
- Publication date Aug 4, 2005
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head and method of manufacturing the same
- Publication number 20050128648
- Publication date Jun 16, 2005
- Alps Electic Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head
- Publication number 20050083608
- Publication date Apr 21, 2005
- Alps Electric Co., Ltd.
- Toshinori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head, magnetic device including the same, and me...
- Publication number 20050036237
- Publication date Feb 17, 2005
- Alps Electric Co., Ltd.
- Hisayuki Yazawa
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head appropriately suppressing side fringing and...
- Publication number 20040095676
- Publication date May 20, 2004
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head having partial insulating layer formed on b...
- Publication number 20040090703
- Publication date May 13, 2004
- Sumihito Morita
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head having partial insulating layer formed on b...
- Publication number 20040021981
- Publication date Feb 5, 2004
- Sumihito Morita
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head and method of manufacturing the same
- Publication number 20040012884
- Publication date Jan 22, 2004
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording head having main magnetic pole lay...
- Publication number 20030193744
- Publication date Oct 16, 2003
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head capable of suppressing side fringing
- Publication number 20030087132
- Publication date May 8, 2003
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head designed for narrower tracks
- Publication number 20030076630
- Publication date Apr 24, 2003
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic write head having enhanced saturation magnetic flux around...
- Publication number 20020167759
- Publication date Nov 14, 2002
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording head having main magnetic pole lay...
- Publication number 20020080524
- Publication date Jun 27, 2002
- Alps Electric Co., Ltd.
- Toru Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Method for making perpendicular magnetic recording head with invert...
- Publication number 20020080523
- Publication date Jun 27, 2002
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head reliably producing fringing flux at gap lay...
- Publication number 20020071209
- Publication date Jun 13, 2002
- Toshinori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head causing appropriately suppressed side fring...
- Publication number 20020018317
- Publication date Feb 14, 2002
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head for perpendicular magnetic recording having...
- Publication number 20020006013
- Publication date Jan 17, 2002
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head for reducing side-fringing
- Publication number 20010026419
- Publication date Oct 4, 2001
- Alps Electric Co., Ltd.
- Toshinori Watanabe
- G11 - INFORMATION STORAGE

Toshinori WATANABE

Person

Patents Grantslast 30 patents

Perpendicular magnetic recording head

Perpendicular magnetic recording head and perpendicular magnetic re...

Perpendicular magnetic recording head device capable of increasing...

Perpendicular magnetic recording head having a stepped portion and...

Method of manufacturing a perpendicular magnetic recording head

Thin-film magnetic head, magnetic device including the same, and me...

Method of manufacturing a perpendicular magnetic recording head

Method of manufacturing a thin film magnetic head

Thin-film magnetic head appropriately suppressing side fringing and...

Thin-film magnetic head appropriately suppressing side fringing and...

Method of manufacturing thin film magnetic head having partial insu...

Thin film magnetic head having partial insulating layer formed on b...

Thin film magnetic head and method of manufacturing the same

Perpendicular magnetic recording head having main magnetic pole lay...

Thin film magnetic head having partial insulating layer formed on b...

Thin-film magnetic head capable of suppressing side fringing

Thin-film magnetic head designed for narrower tracks

Thin film magnetic head causing appropriately suppressed side fring...

Thin-film magnetic head reliably producing fringing flux at gap lay...

Thin-film magnetic head for perpendicular magnetic recording having...

Thin film magnetic head having side faces of the Gd defining layer...

Thin film magnetic head with upper core and lower core layers reduc...

Perpendicular magnetic recording head with inverted trapezoidal mai...

Perpendicular magnetic recording head having main magnetic pole lay...

Thin-film magnetic head having a high specific resistance layer

Magnetoresistive head using exchange anisotropic magnetic field wit...

Thin film magnetic head having very narrow track width and manufact...

Manufacturing method for magnetoresistive head having an antiferrom...

Method of manufacturing film laminate having exchange anisotropic m...

Combination magnetoresistive/inductive thin film magnetic head and...

Patents Applicationslast 30 patents

PERPENDICULAR MAGNETIC RECORDING HEAD

Perpendicular Magnetic Recording Head and Perpendicular Magnetic Re...

PERPENDICULAR MAGNETIC RECORDING HEAD DEVICE CAPABLE OF INCREASING...

PERPENDICULAR MAGNETIC RECORDING HEAD HAVING MAIN MAGNETIC POLE LAY...

Perpendicular magnetic recording head and method of manufacturing t...

Perpendicular magnetic recording head having main magnetic pole lay...

Thin-film magnetic head appropriately suppressing side fringing and...

Thin film magnetic head and method of manufacturing the same

Magnetic head

Thin-film magnetic head, magnetic device including the same, and me...

Thin-film magnetic head appropriately suppressing side fringing and...

Thin film magnetic head having partial insulating layer formed on b...

Thin film magnetic head having partial insulating layer formed on b...

Thin film magnetic head and method of manufacturing the same

Perpendicular magnetic recording head having main magnetic pole lay...

Thin-film magnetic head capable of suppressing side fringing

Thin-film magnetic head designed for narrower tracks

Magnetic write head having enhanced saturation magnetic flux around...

Perpendicular magnetic recording head having main magnetic pole lay...

Method for making perpendicular magnetic recording head with invert...

Thin-film magnetic head reliably producing fringing flux at gap lay...

Thin film magnetic head causing appropriately suppressed side fring...

Thin-film magnetic head for perpendicular magnetic recording having...

Thin film magnetic head for reducing side-fringing