Ichiro Tamai

Person

Odawara-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Granular media with a high-Hk assist layer for microwave-assisted m...
- Patent number 9,406,327
- Issue date Aug 2, 2016
- HGST Netherlands B.V.
- Tatsuya Hinoue
- 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
Perpendicular magnetic recording medium and magnetic recording/repr...
- Patent number 8,771,849
- Issue date Jul 8, 2014
- HGST Netherlands B.V.
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic storage appara...
- Patent number 8,703,307
- Issue date Apr 22, 2014
- HGST Netherlands B.V.
- Akemi Hirotsune
- 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 low medium noise and...
- Patent number 8,592,060
- Issue date Nov 26, 2013
- HGST Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic storage device...
- Patent number 8,440,332
- Issue date May 14, 2013
- HGST Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic storage appara...
- Patent number 7,875,373
- Issue date Jan 25, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic storage appara...
- Patent number 7,701,667
- Issue date Apr 20, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and manufacturing of the same
- Patent number 7,651,795
- Issue date Jan 26, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
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
Magnetic recording medium containing first and second recording lay...
- Patent number 7,556,871
- Issue date Jul 7, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Takayuki Ichihara
- 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
Magnetic recording medium and its manufacturing method and magnetic...
- Patent number 7,182,974
- Issue date Feb 27, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshio Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage device
- Patent number 7,115,329
- Issue date Oct 3, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Tomoo Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media and magnetic recording system using the same
- Patent number 7,056,604
- Issue date Jun 6, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media and magnetic storage apparatus using the same
- Patent number 7,050,253
- Issue date May 23, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Tetsuya Kanbe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Perpendicular magnetic recording medium and method of manufacturing it
- Patent number 7,033,686
- Issue date Apr 25, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and a magnetic storage apparatus
- Patent number 6,924,048
- Issue date Aug 2, 2005
- Hitachi, Ltd.
- Tetsuya Kanbe
- 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 magnetic storage appara...
- Patent number 6,881,504
- Issue date Apr 19, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Tomoo Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and its manufacturing method and magnetic...
- Patent number 6,709,768
- Issue date Mar 23, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshio Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic storage appara...
- Patent number 6,638,648
- Issue date Oct 28, 2003
- Hitachi, Ltd.
- Tomoo Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording system using such...
- Patent number 6,605,374
- Issue date Aug 12, 2003
- Hitachi, Ltd.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media and magnetic recording system using the same
- Patent number 6,596,420
- Issue date Jul 22, 2003
- Hitachi, Ltd.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage apparatus
- Patent number 6,574,060
- Issue date Jun 3, 2003
- Hitachi, Ltd.
- Tetsuya Kanbe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium and a magnetic storage apparatus
- Patent number 6,569,545
- Issue date May 27, 2003
- Hitachi, Ltd.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media and magnetic recording system using the same
- Patent number 6,403,240
- Issue date Jun 11, 2002
- Hitachi, Ltd.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording system using such...
- Patent number 6,403,242
- Issue date Jun 11, 2002
- Hitachi, Ltd.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM HAVING AN OXIDE SEED LAYER...
- Publication number 20160125903
- Publication date May 5, 2016
- HGST NETHERLANDS B.V.
- Ichiro Tamai
- 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
RECORDING MEDIUM HAVING RECORDING ASSIST
- Publication number 20150085401
- Publication date Mar 26, 2015
- HGST NETHERLANDS B.V.
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Application
GRANULAR MEDIA WITH A HIGH-HK ASSIST LAYER FOR MICROWAVE-ASSISTED M...
- Publication number 20150062745
- Publication date Mar 5, 2015
- HGST NETHERLANDS B.V.
- Tatsuya Hinoue
- 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
PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING LOW MEDIUM NOISE AND...
- Publication number 20120154948
- Publication date Jun 21, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND SYSTEMS THEREOF
- Publication number 20120099220
- Publication date Apr 26, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARA...
- Publication number 20120087034
- Publication date Apr 12, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Akemi Hirotsune
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND MAGNETIC STORAGE...
- Publication number 20120044595
- Publication date Feb 23, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Yotsuo Yahisa
- 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 and magnetic storage device...
- Publication number 20090257144
- Publication date Oct 15, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
- Publication number 20090195924
- Publication date Aug 6, 2009
- Hiroaki Nemoto
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium
- Publication number 20090023016
- Publication date Jan 22, 2009
- Kiwamu Tanahashi
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRANULAR STRUCTURED MA...
- Publication number 20080186627
- Publication date Aug 7, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiyuki Hirayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Perpendicular magnetic recording medium and magnetic storage appara...
- Publication number 20080113221
- Publication date May 15, 2008
- Hitachi Global Storage Technologies Inc.
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic storage appara...
- Publication number 20070188924
- Publication date Aug 16, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiro Tamai
- 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
Perpendicular magnetic recording medium with granular structured ma...
- Publication number 20060088737
- Publication date Apr 27, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiyuki Hirayama
- 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
Magnetic recording medium and method for production thereof
- Publication number 20060076233
- Publication date Apr 13, 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 20060057431
- Publication date Mar 16, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiro Tamai
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording apparatus
- Publication number 20050227120
- Publication date Oct 13, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Takayuki Ichihara
- G11 - INFORMATION STORAGE
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 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 method of manufacturing it
- Publication number 20040191571
- Publication date Sep 30, 2004
- Yoshiyuki Hirayama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and its manufacturing method and magnetic...
- Publication number 20040157083
- Publication date Aug 12, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Yoshio Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic storage appara...
- Publication number 20040043258
- Publication date Mar 4, 2004
- Hitachi, Ltd.
- Tomoo Yamamoto
- 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

Ichiro Tamai

Person

Patents Grantslast 30 patents

Granular media with a high-Hk assist layer for microwave-assisted m...

Perpendicular magnetic recording medium with grain boundary control...

Perpendicular magnetic recording medium and magnetic recording/repr...

Perpendicular magnetic recording medium and magnetic storage appara...

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

Perpendicular magnetic recording media having low medium noise and...

Perpendicular magnetic recording medium and magnetic storage device...

Perpendicular magnetic recording medium and magnetic storage appara...

Perpendicular magnetic recording medium and magnetic storage appara...

Perpendicular magnetic recording medium and manufacturing of the same

Perpendicular magnetic recording medium and method of manufacturing it

Perpendicular magnetic recording medium and manufacturing of the same

Magnetic recording medium containing first and second recording lay...

Perpendicular magnetic recording media

Magnetic recording medium and its manufacturing method and magnetic...

Magnetic recording medium and magnetic storage device

Magnetic recording media and magnetic recording system using the same

Magnetic recording media and magnetic storage apparatus using the same

Perpendicular magnetic recording medium and method of manufacturing it

Magnetic recording medium and a magnetic storage apparatus

Perpendicular magnetic recording media

Perpendicular magnetic recording medium and magnetic storage appara...

Magnetic recording medium and its manufacturing method and magnetic...

Perpendicular magnetic recording medium and magnetic storage appara...

Magnetic recording medium and magnetic recording system using such...

Magnetic recording media and magnetic recording system using the same

Magnetic storage apparatus

Magnetic recording medium and a magnetic storage apparatus

Magnetic recording media and magnetic recording system using the same

Magnetic recording medium and magnetic recording system using such...

Patents Applicationslast 30 patents

PERPENDICULAR MAGNETIC RECORDING MEDIUM HAVING AN OXIDE SEED LAYER...

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN BOUNDARY CONTROL...

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN ISOLATION LAYER

RECORDING MEDIUM HAVING RECORDING ASSIST

GRANULAR MEDIA WITH A HIGH-HK ASSIST LAYER FOR MICROWAVE-ASSISTED M...

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRAIN BOUNDARY CONTROL...

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH AN INVERTED Hk STRUCTURE

PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING LOW MEDIUM NOISE AND...

PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND SYSTEMS THEREOF

PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARA...

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

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

Perpendicular magnetic recording medium and magnetic storage device...

Perpendicular magnetic recording medium and magnetic recording/repr...

Perpendicular magnetic recording medium

PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH GRANULAR STRUCTURED MA...

Perpendicular magnetic recording medium and magnetic storage appara...

Perpendicular magnetic recording medium and magnetic storage appara...

Perpendicular magnetic recording medium and method of manufacturing it

Perpendicular magnetic recording medium with granular structured ma...

Perpendicular magnetic recording medium and manufacturing of the same

Magnetic recording medium and method for production thereof

Perpendicular magnetic recording medium and manufacturing of the same

Magnetic recording medium and magnetic recording apparatus

Perpendicular magnetic recording media

Perpendicular magnetic recording medium and manufacturing of the same

perpendicular magnetic recording medium and method of manufacturing it

Magnetic recording medium and its manufacturing method and magnetic...

Perpendicular magnetic recording medium and magnetic storage appara...

Perpendicular magnetic recording media