Inventor · San Jose, CA, US

Bernhard E. Knigge

58Patents
16h-index
62Co-inventors
87Inventor score

Filing activity: Jul 16, 2003 → Jan 15, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8059357B1 Disk drive adjusting fly height when calibrating head/disk contact Physics 146 Active
US8320069B1 Disk drive detecting positive correlation in fly height measurements Physics 134 Active
US7916420B1 Disk drive employing comb filter for repeatable fly height compensation Physics 128 Active
US7450333B2 Electrostatic fly-height control Physics 43 Active
US8599653B1 Systems and methods for reducing condensation along a slider air bearing surface in energy assisted magnetic recording Physics 38 Active
US8049984B2 Integrated slider bias control Physics 36 Active
US8098450B2 Fly-height management in a hard disk drive (HDD) Physics 36 Active
US7310197B2 Simultaneous measurement of contact potential and slider body clearance in a magnetic disk drive Physics 33 Expired
US7233451B2 Method for actively controlling electric potential at the head/disk interface of a magnetic recording disk drive Physics 30 Expired
US7016139B2 Magnetic recording disk drive with actively controlled electric potential at the head/disk interface for wear and durability control Physics 28 Expired
US8599506B2 Integrating control of slider bias potential, touch-down detection and fly-height determination in a HDD Physics 27 Active
US8085490B2 Slider fly-height control in a hard disk drive Physics 26 Active
US8411390B2 Integrated half coil structure for write assist of high coercivity media Physics 20 Active
US7489466B2 Enabling intermittent contact recording on-demand Physics 20 Active
US7660068B1 Method and system for pre-contact detection and active damping of air bearing vibrations in a hard disk drive Physics 17 Active
US7830634B2 Head-disk contact detection and work function difference determination Physics 17 Active
US7215500B1 Feedback control mechanism for active damping of slider air bearing vibrations in a hard disk drive slider Physics 15 Expired
US7310198B2 Measurement of slider body clearance in a magnetic disk drive using positive and negative electrical pulses Physics 14 Expired
US7359138B1 Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive slider Physics 14 Expired
US7508618B1 Multivariate head-to-disk contact detection Physics 13 Active
US9042208B1 Disk drive measuring fly height by applying a bias voltage to an electrically insulated write component of a head Physics 13 Active
US7277252B1 Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive slider Physics 13 Expired
US7193806B1 Feedback control mechanism for active damping of slider air bearing vibrations in a hard disk drive slider Physics 12 Expired
US7416991B2 High resolution patterning of surface energy utilizing high resolution monomolecular resist for fabrication of patterned media masters Physics 12 Active
US7719786B1 Active fly height control using radio frequency feedback Physics 11 Active

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