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Huaan Zhang
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Eden Prairie, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Bi-frequency servo pattern
Patent number
7,023,631
Issue date
Apr 4, 2006
Seagate Technology LLC
Huaan Zhang
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
Bi-frequency servo pattern
Publication number
20040090693
Publication date
May 13, 2004
Huaan Zhang
G11 - INFORMATION STORAGE