Hirofumi Yanase

Follow

Person

Fujisawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage device and servo information writing method
- Patent number 7,173,785
- Issue date Feb 6, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Manabu Saikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo information write method, data storage device, and programs
- Patent number 7,133,237
- Issue date Nov 7, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masaomi Ikeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device and servo information writing method
- Patent number 7,126,772
- Issue date Oct 24, 2006
- 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
Data storage device and servo information writing method
- Publication number 20050122608
- Publication date Jun 9, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Manabu Saikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Servo information write method, data storage device, and programs
- Publication number 20040201914
- Publication date Oct 14, 2004
- Hitachi Global Storage Technologies
- Masaomi Ikeda
- 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
Data storage device and servo information writing method
- Publication number 20040057151
- Publication date Mar 25, 2004
- Hitachi Global Storage Technologies
- Manabu Saikawa
- 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