Allen Cheng-wu Hu

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Writing and reading user data using servo spirals
- Patent number 8,223,452
- Issue date Jul 17, 2012
- Marvell International Ltd.
- Jerome F. Richgels
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of accessing variable density data tracks in a disk drive
- Patent number 7,589,925
- Issue date Sep 15, 2009
- Maxtor Corporation
- Jim Chiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with variable density data tracks
- Patent number 7,362,529
- Issue date Apr 22, 2008
- Maxtor Corporation
- Jim Chiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Vertical track zoning for disk drives
- Patent number 7,283,316
- Issue date Oct 16, 2007
- Maxtor Corporation
- Jim Chiao
- G11 - INFORMATION STORAGE