Hidetsugu Tanaka

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Head slider and disk drive device
- Patent number 7,808,741
- Issue date Oct 5, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Tsuyoshi Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo track write at low pressure using pressure insensitive air be...
- Patent number 7,280,306
- Issue date Oct 9, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Hidetsugu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive disk with landing zone having textured and untextured re...
- Patent number 6,927,941
- Issue date Aug 9, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Hidetsugu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive magnetic head coated with low surface energy material
- Patent number 6,421,202
- Issue date Jul 16, 2002
- International Business Machines Corporation
- Hidetsugu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for removing accumulated particles on a head i...
- Patent number 6,292,323
- Issue date Sep 18, 2001
- International Business Machines Corporation
- Hidetsugu Tanaka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Head slider and disk drive device
- Publication number 20090168248
- Publication date Jul 2, 2009
- Tsuyoshi Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive device and clearance control method thereof
- Publication number 20090141391
- Publication date Jun 4, 2009
- Kenichi Kuramoto
- G11 - INFORMATION STORAGE
Information Patent Application
Servo track write at low pressure using pressure insensitive air be...
- Publication number 20060164752
- Publication date Jul 27, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Hidetsugu Tanaka
- G11 - INFORMATION STORAGE