Inventor · San Jose, CA, US

Erhard Schreck

96Patents
21h-index
132Co-inventors
91Inventor score

Filing activity: Nov 30, 1994 → Sep 1, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6157510A Magnetic storage device with multiple read elements which are offset laterally and longitudinally Physics 71 Expired
US6266205A Parallel servo with ultra high bandwidth off-track detection Physics 64 Expired
US7369345B1 Mobile hard disk drive free fall detection and protection Physics 55 Active
US5827424A Contaminant reduction system for disk drives Physics 53 Expired
US7199960B1 Disk drive with AC exciter for head/disk interface Physics 37 Expired
US5864241A Magnetic transducer with wear indicator in a magnetic data storage system Physics 35 Expired
US7170700B1 Method of determining side track erasure in a disk drive Physics 35 Expired
US7324299B1 Disk drive that positions a head at multiple head-to-disk spacings Physics 34 Expired
US5757590A Fusible-link removable shorting of magnetoresistive heads for electrostatic discharge protection Physics 31 Expired
US7400473B1 Slider with independent fly-height adjustment of reader and writer Physics 31 Expired
US7995425B2 Power control of TAMR element during read/write transition Physics 29 Active
US7532434B1 Recessed write pole for perpendicular recording Physics 29 Expired
US5638237A Fusible-link removable shorting of magnetoresistive heads for electrostatic discharge protection Physics 28 Expired
US7345837B1 Disk drive that refreshes data on portions of a disk based on a number of write operations thereto Physics 26 Expired
US6980383B2 Monitoring of phenomena indicative of PTP in a magnetic disk drive Physics 25 Expired
US7502205B1 Method of operating read and write transducers by controlling thermal actuation Physics 24 Expired
US6999265B1 Method and system for dual element transducer flight height adjustment using combined thermal and electrostatic control Physics 23 Expired
US8036069B1 Plasmon shield to shape and reduce optical spot Physics 23 Active
US7362534B1 System for detecting a change in head-to-disk contact status in a disk drive Physics 22 Expired
US6005736A Method and means for active shock protection in a magnetic disk storage device using electrostatic forces Physics 22 Expired
US6054330A Method for protecting a magnetoresistive sensor element Physics 22 Expired
US6717759B1 Hindering PTP in a hard disk Physics 18 Expired
US8295132B2 Plasmon shield to shape and reduce optical spot Physics 17 Active
US5880587A Method and apparatus for performing in file slider take-off measurements through tuned external AE detection Physics 16 Expired
US6005990A System for optically scanning images using optical shutter Electricity 16 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.