Hiroyuki Itoh

Person

Milpitas, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a magnetic head for perpendicular magnetic...
- Patent number 8,997,335
- Issue date Apr 7, 2015
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording having a pole la...
- Patent number 8,687,320
- Issue date Apr 1, 2014
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
- Patent number 8,467,147
- Issue date Jun 18, 2013
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head having a patterned pole layer...
- Patent number 8,453,316
- Issue date Jun 4, 2013
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic head for perpendicular magnetic recording
- Patent number 8,427,782
- Issue date Apr 23, 2013
- Headway Technology, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
- Patent number 8,221,636
- Issue date Jul 17, 2012
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording
- Patent number 8,213,116
- Issue date Jul 3, 2012
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head for perpendicular magnetic...
- Patent number 8,176,623
- Issue date May 15, 2012
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head, and magnetic head sub-structure
- Patent number 8,163,186
- Issue date Apr 24, 2012
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and manufacturing method thereof
- Patent number 8,043,515
- Issue date Oct 25, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
- Patent number 7,957,097
- Issue date Jun 7, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
- Patent number 7,951,415
- Issue date May 31, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording
- Patent number 7,940,495
- Issue date May 10, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording having a shield...
- Patent number 7,933,094
- Issue date Apr 26, 2011
- Headway Technologies, Inc.
- Dong-Hong Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording including a stop...
- Patent number 7,933,095
- Issue date Apr 26, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
- Patent number 7,924,528
- Issue date Apr 12, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having angled pole portions
- Patent number 7,916,425
- Issue date Mar 29, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
- Patent number 7,910,011
- Issue date Mar 22, 2011
- Headway Technologies, Inc.
- Hironori Araki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head for perpendicular magnetic...
- Patent number 7,877,860
- Issue date Feb 1, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
- Patent number 7,870,660
- Issue date Jan 18, 2011
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head with nonmagnetic metal layer...
- Patent number 7,843,665
- Issue date Nov 30, 2010
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
- Patent number 7,796,361
- Issue date Sep 14, 2010
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head, and magnetic head substructure
- Patent number 7,716,814
- Issue date May 18, 2010
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording with encasing layer
- Patent number 7,663,839
- Issue date Feb 16, 2010
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a patterned pole layer
- Patent number 7,656,612
- Issue date Feb 2, 2010
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording having a special...
- Patent number 7,656,613
- Issue date Feb 2, 2010
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
- Patent number 7,633,714
- Issue date Dec 15, 2009
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
- Patent number 7,609,479
- Issue date Oct 27, 2009
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a thin film magnetic head
- Patent number 7,549,216
- Issue date Jun 23, 2009
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording having a multila...
- Patent number 7,551,394
- Issue date Jun 23, 2009
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING
- Publication number 20120229932
- Publication date Sep 13, 2012
- SAE MAGNETICS (H.K.) LTD.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MANUFACTURING A MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC...
- Publication number 20120210566
- Publication date Aug 23, 2012
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A POLE LA...
- Publication number 20120212855
- Publication date Aug 23, 2012
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING
- Publication number 20110170216
- Publication date Jul 14, 2011
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
- Publication number 20090294402
- Publication date Dec 3, 2009
- HEADWAY TECHNOLOGIES, INC.
- Hironori Araki
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
- Publication number 20090277870
- Publication date Nov 12, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing magnetic head having a patterned pole layer...
- Publication number 20090269708
- Publication date Oct 29, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G01 - MEASURING TESTING
Information Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
- Publication number 20090173714
- Publication date Jul 9, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20090162699
- Publication date Jun 25, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing a magnetic head for perpendicular magnetic...
- Publication number 20090158582
- Publication date Jun 25, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording
- Publication number 20090147400
- Publication date Jun 11, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20090141406
- Publication date Jun 4, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20090135530
- Publication date May 28, 2009
- HEADWAY TECHNOLOGIES, INC.
- Dong-Hong Li
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20090059426
- Publication date Mar 5, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
THIN FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF
- Publication number 20090045162
- Publication date Feb 19, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20090002884
- Publication date Jan 1, 2009
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
- Publication number 20080317969
- Publication date Dec 25, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20080316653
- Publication date Dec 25, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing magnetic head, and magnetic head sub-structure
- Publication number 20080277376
- Publication date Nov 13, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20080239567
- Publication date Oct 2, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing magnetic head, and magnetic head substructure
- Publication number 20080184551
- Publication date Aug 7, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20080088972
- Publication date Apr 17, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording
- Publication number 20080088971
- Publication date Apr 17, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20080068747
- Publication date Mar 20, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20080024911
- Publication date Jan 31, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20080013209
- Publication date Jan 17, 2008
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording
- Publication number 20070291409
- Publication date Dec 20, 2007
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and method of manufacturing same, and method of formi...
- Publication number 20070279802
- Publication date Dec 6, 2007
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G01 - MEASURING TESTING
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20070211377
- Publication date Sep 13, 2007
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20070121248
- Publication date May 31, 2007
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE

Hiroyuki Itoh

Person

Patents Grantslast 30 patents

Method of manufacturing a magnetic head for perpendicular magnetic...

Magnetic head for perpendicular magnetic recording having a pole la...

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing magnetic head having a patterned pole layer...

Magnetic head for perpendicular magnetic recording

Method of manufacturing magnetic head for perpendicular magnetic re...

Magnetic head for perpendicular magnetic recording

Method of manufacturing a magnetic head for perpendicular magnetic...

Method of manufacturing magnetic head, and magnetic head sub-structure

Thin film magnetic head and manufacturing method thereof

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing magnetic head for perpendicular magnetic re...

Magnetic head for perpendicular magnetic recording

Magnetic head for perpendicular magnetic recording having a shield...

Magnetic head for perpendicular magnetic recording including a stop...

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head having angled pole portions

Method of manufacturing magnetic head for perpendicular magnetic re...

Method of manufacturing a magnetic head for perpendicular magnetic...

Method of manufacturing magnetic head for perpendicular magnetic re...

Perpendicular magnetic recording head with nonmagnetic metal layer...

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing magnetic head, and magnetic head substructure

Magnetic head for perpendicular magnetic recording with encasing layer

Magnetic head having a patterned pole layer

Magnetic head for perpendicular magnetic recording having a special...

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing a thin film magnetic head

Magnetic head for perpendicular magnetic recording having a multila...

Patents Applicationslast 30 patents

MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING

METHOD OF MANUFACTURING A MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC...

MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A POLE LA...

MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING

Method of manufacturing magnetic head for perpendicular magnetic re...

Method of manufacturing magnetic head for perpendicular magnetic re...

Method of manufacturing magnetic head having a patterned pole layer...

Method of manufacturing magnetic head for perpendicular magnetic re...

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing a magnetic head for perpendicular magnetic...

Magnetic head for perpendicular magnetic recording

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording and method of ma...

THIN FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing magnetic head for perpendicular magnetic re...

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing magnetic head, and magnetic head sub-structure

Magnetic head for perpendicular magnetic recording and method of ma...

Method of manufacturing magnetic head, and magnetic head substructure

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording

Magnetic head and method of manufacturing same, and method of formi...

Magnetic head for perpendicular magnetic recording and method of ma...

Magnetic head for perpendicular magnetic recording and method of ma...