Hu; Allen Cheng Wu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hu; Allen Cheng Wu.The latest application filed is for "disk drive with variable density data tracks".
- Hu; Allen Cheng Wu - Fremont CA US
| Patent | Date |
|---|---|
| Writing and reading user data using servo spirals Grant 8,693,131 - Richgels , et al. April 8, 2 | 2014-04-08 |
| Writing and reading user data using servo spirals Grant 8,223,452 - Richgels , et al. July 17, 2 | 2012-07-17 |
| Method of accessing variable density data tracks in a disk drive Grant 7,589,925 - Chiao , et al. September 15, 2 | 2009-09-15 |
| Disk drive with variable density data tracks Grant 7,362,529 - Chiao , et al. April 22, 2 | 2008-04-22 |
| Vertical track zoning for disk drives Grant 7,283,316 - Chiao , et al. October 16, 2 | 2007-10-16 |
| Disk Drive With Variable Density Data Tracks App 20060227445 - Chiao; Jim ; et al. | 2006-10-12 |
| Vertical track zoning for disk drives App 20060018051 - Chiao; Jim ; et al. | 2006-01-26 |
| Vertical track zoning for disk drives App 20040136104 - Chiao, Jim ; et al. | 2004-07-15 |
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