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John Schadegg

CL Cirrus Logic: 12 patents #110 of 1,131Top 10%
Overall (All Time): #389,273 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6560055 ID-less format defect management for automatic track processing including translation of physical sector number into logical sector number Siamack Nemazie 2003-05-06
6332182 Disk drive control without identification fields John S. Geldman, Son Hong Ho, Petro Estakhrf 2001-12-18
6125469 Error correction method and apparatus Christopher P. Zook, Neal Glover 2000-09-26
6025966 Defect management for automatic track processing without ID field Siamack Nemazie 2000-02-15
5901010 Magnetic disc recording system employing two stage actuators for simultaneous accesses through multiple recording heads Neal Glover, Howard H. Sheerin, Paul M. Romano 1999-05-04
5848438 Memory mapping defect management technique for automatic track processing without ID field Siamack Nemazie 1998-12-08
5844911 Disc storage system with spare sectors dispersed at a regular interval around a data track to reduced access latency Neal Glover, Laura Droege Shellhamer, William L. Witt, Richard T. Behrens 1998-12-01
5844919 Sector and track level error correction system for disc storage systems Neal Glover, Christopher P. Zook, William L. Witt 1998-12-01
5740358 Defect management and split field processing in disk storage systems John S. Geldman, Son Hong Ho, Petro Estakhri 1998-04-14
5701304 Method for correcting unrecoverable sectors using track level redundancy in a disc drive storage system Neal Glover, Christopher P. Zook, William L. Witt 1997-12-23
5602857 Error correction method and apparatus Christopher P. Zook, Neal Glover 1997-02-11
5455721 Method and apparatus for automatic sector pulse generation and split field calculation in disk drives Siamack Nemazie, Petro Estakhri 1995-10-03
4736341 Intelligent hard disk drive subsystem Donald R. Redmond 1988-04-05