Hiroyuki Nakagawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Soft magnetic underlayer having high temperature robustness for hig...
- Patent number 9,406,328
- Issue date Aug 2, 2016
- HGST Netherlands B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermal energy assisted medium
- Patent number 9,099,140
- Issue date Aug 4, 2015
- HGST Netherlands B.V.
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium with grain boundary control...
- Patent number 9,058,831
- Issue date Jun 16, 2015
- HGST Netherlands B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing perpendicular magnetic recording medium
- Patent number 8,795,478
- Issue date Aug 5, 2014
- HGST Netherlands B.V.
- Yoshinori Honda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic storage apparatus
- Patent number 8,709,618
- Issue date Apr 29, 2014
- HGST Netherlands B.V.
- Ikuko Takekuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium (PMRM) and magnetic storage...
- Patent number 8,705,208
- Issue date Apr 22, 2014
- HGST Netherlands B.V.
- Hiroyuki Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media having a cap layer above a g...
- Patent number 8,614,862
- Issue date Dec 24, 2013
- HGST Netherlands B.V.
- Masayoshi Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium having FCC seed layers
- Patent number 8,390,956
- Issue date Mar 5, 2013
- HGST Netherlands B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium using layers having higher- and lower-HK...
- Patent number 8,298,688
- Issue date Oct 30, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
- Patent number 7,892,663
- Issue date Feb 22, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing process for perpendicular magnetic recording medium
- Patent number 7,641,774
- Issue date Jan 5, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshinori Honda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Perpendicular magnetic recording medium and method of manufacturing it
- Patent number 7,625,646
- Issue date Dec 1, 2009
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and manufacturing of the same
- Patent number 7,625,644
- Issue date Dec 1, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Takayuki Ichihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
- Patent number 7,618,722
- Issue date Nov 17, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media
- Patent number 7,510,789
- Issue date Mar 31, 2009
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
- Patent number 7,368,185
- Issue date May 6, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and method of manufacturing it
- Patent number 7,033,686
- Issue date Apr 25, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media
- Patent number 6,916,557
- Issue date Jul 12, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and process of production t...
- Patent number 6,815,083
- Issue date Nov 9, 2004
- Hitachi, Ltd.
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
- Patent number 6,773,826
- Issue date Aug 10, 2004
- Hitachi, Ltd.
- Hiroyuki Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Uploading and managing vehicle position information
- Patent number 6,766,244
- Issue date Jul 20, 2004
- Hitachi, Ltd.
- Hirotaka Obata
- G08 - SIGNALLING
Information Patent Grant
Automated text extraction from source drawing and composition into...
- Patent number 5,813,018
- Issue date Sep 22, 1998
- Hitachi Microcomputer System Ltd.
- Hiroyuki Kaji
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
PERPENDICULAR RECORDING MEDIA HAVING HIGH-TEMPERATURE ROBUSTNESS
- Publication number 20160035381
- Publication date Feb 4, 2016
- HGST NETHERLANDS B.V.
- Shun TONOOKA
- G11 - INFORMATION STORAGE
Information Patent Application
SOFT MAGNETIC UNDERLAYER HAVING HIGH TEMPERATURE ROBUSTNESS FOR HIG...
- Publication number 20160035380
- Publication date Feb 4, 2016
- HGST NETHERLANDS B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN BOUNDARY CONTROL...
- Publication number 20150294679
- Publication date Oct 15, 2015
- HGST NETHERLANDS B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN ISOLATION LAYER
- Publication number 20150262603
- Publication date Sep 17, 2015
- HGST NETHERLANDS B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN BOUNDARY CONTROL...
- Publication number 20130155542
- Publication date Jun 20, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH AN INVERTED Hk STRUCTURE
- Publication number 20120307395
- Publication date Dec 6, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM USING LAYERS HAVING HIGHER- AND LOWER-HK...
- Publication number 20110122525
- Publication date May 26, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND MAGNETIC STORAGE...
- Publication number 20110002064
- Publication date Jan 6, 2011
- Hiroyuki Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular Magnetic Recording Medium Having FCC Seed Layers
- Publication number 20100309580
- Publication date Dec 9, 2010
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Application
Thermal Energy Assisted Medium
- Publication number 20100165500
- Publication date Jul 1, 2010
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic storage appara...
- Publication number 20090116137
- Publication date May 7, 2009
- Ikuko Takekuma
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
- Publication number 20090052074
- Publication date Feb 26, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
- Publication number 20080182134
- Publication date Jul 31, 2008
- Hitachi Global Storage Technologies
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic storage device
- Publication number 20070254189
- Publication date Nov 1, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic storage apparatus
- Publication number 20070223142
- Publication date Sep 27, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Ikuko Takekuma
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic record medium and magnetic storage system
- Publication number 20070153419
- Publication date Jul 5, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Reiko Arai
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and method of manufacturing it
- Publication number 20060134467
- Publication date Jun 22, 2006
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Manufacturing process for perpendicular magnetic recording medium
- Publication number 20060090998
- Publication date May 4, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshinori Honda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for manufacturing perpendicular magnetic recording medium
- Publication number 20060086606
- Publication date Apr 27, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshinori Honda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Perpendicular magnetic recording medium and manufacturing of the same
- Publication number 20060088736
- Publication date Apr 27, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Takayuki Ichihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Perpendicular magnetic recording media
- Publication number 20050227121
- Publication date Oct 13, 2005
- Hitachi Global Storage Technologies, Ltd.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
- Publication number 20050142388
- Publication date Jun 30, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and manufacturing of the same
- Publication number 20050058854
- Publication date Mar 17, 2005
- Hitachi, Ltd.
- Ikuko Takekuma
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and process of production t...
- Publication number 20050042367
- Publication date Feb 24, 2005
- Hitachi, Ltd.
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Application
perpendicular magnetic recording medium and method of manufacturing it
- Publication number 20040191571
- Publication date Sep 30, 2004
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium
- Publication number 20040146747
- Publication date Jul 29, 2004
- Hitachi, Ltd.
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media
- Publication number 20040038083
- Publication date Feb 26, 2004
- Hitachi, Ltd.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and process of production t...
- Publication number 20030162041
- Publication date Aug 28, 2003
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
- Publication number 20030059650
- Publication date Mar 27, 2003
- Hiroyuki Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Uploading and managing vehicle position information
- Publication number 20020123840
- Publication date Sep 5, 2002
- HITACHI, LTD.
- Hirotaka Obata
- G01 - MEASURING TESTING

Hiroyuki Nakagawa

Person

Patents Grantslast 30 patents

Soft magnetic underlayer having high temperature robustness for hig...

Thermal energy assisted medium

Perpendicular magnetic recording medium with grain boundary control...

Method for manufacturing perpendicular magnetic recording medium

Magnetic storage apparatus

Perpendicular magnetic recording medium (PMRM) and magnetic storage...

Perpendicular magnetic recording media having a cap layer above a g...

Perpendicular magnetic recording medium having FCC seed layers

Magnetic recording medium using layers having higher- and lower-HK...

Perpendicular magnetic recording media and magnetic storage apparat...

Manufacturing process for perpendicular magnetic recording medium

Perpendicular magnetic recording medium and method of manufacturing it

Perpendicular magnetic recording medium and manufacturing of the same

Perpendicular magnetic recording media and magnetic storage apparat...

Perpendicular magnetic recording media

Perpendicular magnetic recording media and magnetic storage apparat...

Perpendicular magnetic recording medium and method of manufacturing it

Perpendicular magnetic recording media

Perpendicular magnetic recording medium and process of production t...

Perpendicular magnetic recording media and magnetic storage apparat...

Uploading and managing vehicle position information

Automated text extraction from source drawing and composition into...

Patents Applicationslast 30 patents

PERPENDICULAR RECORDING MEDIA HAVING HIGH-TEMPERATURE ROBUSTNESS

SOFT MAGNETIC UNDERLAYER HAVING HIGH TEMPERATURE ROBUSTNESS FOR HIG...

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN BOUNDARY CONTROL...

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN ISOLATION LAYER

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN BOUNDARY CONTROL...

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH AN INVERTED Hk STRUCTURE

MAGNETIC RECORDING MEDIUM USING LAYERS HAVING HIGHER- AND LOWER-HK...

PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND MAGNETIC STORAGE...

Perpendicular Magnetic Recording Medium Having FCC Seed Layers

Thermal Energy Assisted Medium

Perpendicular magnetic recording medium and magnetic storage appara...

Perpendicular magnetic recording media and magnetic storage apparat...

Perpendicular magnetic recording media and magnetic storage apparat...

Magnetic storage device

Magnetic storage apparatus

Perpendicular magnetic record medium and magnetic storage system

Perpendicular magnetic recording medium and method of manufacturing it

Manufacturing process for perpendicular magnetic recording medium

Method for manufacturing perpendicular magnetic recording medium

Perpendicular magnetic recording medium and manufacturing of the same

Perpendicular magnetic recording media

Perpendicular magnetic recording media and magnetic storage apparat...

Perpendicular magnetic recording medium and manufacturing of the same

Perpendicular magnetic recording medium and process of production t...

perpendicular magnetic recording medium and method of manufacturing it

Perpendicular magnetic recording medium

Perpendicular magnetic recording media

Perpendicular magnetic recording medium and process of production t...

Perpendicular magnetic recording media and magnetic storage apparat...

Uploading and managing vehicle position information