Atsushi Takeichi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk drive, method for measuring clearance and method for writing s...
- Patent number 8,018,673
- Issue date Sep 13, 2011
- Hitachi Global Storage Technologies, Netherlands B.V.
- Manabu Saikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for writing pattern on disk
- Patent number 7,573,669
- Issue date Aug 11, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Manabu Saikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device, recording medium, servo writing method, and da...
- Patent number 7,054,090
- Issue date May 30, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masaomi Ikeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for writing servo pattern
- Patent number 6,614,614
- Issue date Sep 2, 2003
- International Business Machines Corporation
- Masashi Murayama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DISK DRIVE, METHOD FOR MEASURING CLEARANCE AND METHOD FOR WRITING S...
- Publication number 20100123970
- Publication date May 20, 2010
- Manabu Saikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Method for manufacturing magnetic disk unit
- Publication number 20090300907
- Publication date Dec 10, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Application
Pattern write method and demagnetization state determination method
- Publication number 20070253095
- Publication date Nov 1, 2007
- Hitachi Global Storage Technologies Inc.
- Kazuhiko Washizu
- G11 - INFORMATION STORAGE
Information Patent Application
Method of servo pattern writing on recording surface and data stora...
- Publication number 20070247741
- Publication date Oct 25, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for writing pattern on disk
- Publication number 20070247742
- Publication date Oct 25, 2007
- Hitachi Global Storage Technologies Inc.
- Manabu Saikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device, recording medium, servo writing method, and da...
- Publication number 20040095671
- Publication date May 20, 2004
- Hitachi Global Storage Technologies
- Masaomi Ikeda
- G11 - INFORMATION STORAGE
Information Patent Application
Servo data writing apparatus and servo data writing method
- Publication number 20030072101
- Publication date Apr 17, 2003
- International Business Machines Corporation
- Atsushi Takeichi
- G11 - INFORMATION STORAGE

Atsushi Takeichi

Person

Patents Grantslast 30 patents

Disk drive, method for measuring clearance and method for writing s...

Method and apparatus for writing pattern on disk

Data storage device, recording medium, servo writing method, and da...

Method and apparatus for writing servo pattern

Patents Applicationslast 30 patents

DISK DRIVE, METHOD FOR MEASURING CLEARANCE AND METHOD FOR WRITING S...

Method for manufacturing magnetic disk unit

Pattern write method and demagnetization state determination method

Method of servo pattern writing on recording surface and data stora...

Method and apparatus for writing pattern on disk

Data storage device, recording medium, servo writing method, and da...

Servo data writing apparatus and servo data writing method