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Roger A. Ristau
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Livermore, CA, US
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last 30 patents
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Patent Grant
Chromium-alloy seedlayers for recording media
Patent number
6,756,136
Issue date
Jun 29, 2004
Seagate Technology LLC
Samuel Dacke Harkness
G11 - INFORMATION STORAGE
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Patent Grant
Magnetic recording media having enhanced coupling between magnetic...
Patent number
6,645,614
Issue date
Nov 11, 2003
Seagate Technology LLC
Erol Girt
G11 - INFORMATION STORAGE
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Patent Grant
Corrosion resistant magnetic thin film media
Patent number
6,589,676
Issue date
Jul 8, 2003
Seagate Technology LLC
Jing Gui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Perpendicular recording media with enhanced coercivity
Patent number
6,541,131
Issue date
Apr 1, 2003
Seagate Technology LLC
Roger A. Ristau
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...