Inventor · Pleasanton, CA, US

Don Brunnett

42Patents
19h-index
82Co-inventors
84Inventor score

Filing activity: Dec 14, 1994 → Oct 19, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7974029B2 Disk drive biasing refresh zone counters based on write commands Physics 146 Active
US8179626B1 Adaptive shock detection Physics 118 Active
US8665546B1 Adaptive threshold for detecting touchdown or contamination Physics 116 Active
US7685360B1 Methods and structure for dynamic appended metadata in a dynamically mapped mass storage device Physics 112 Active
US7230789B1 Method and apparatus for performing a self-servo write operation in a disk drive using spiral servo information Physics 73 Expired
US6950967B1 Method and apparatus for manufacture test processing a disk drive installed in a computer system Physics 67 Expired
US5602693A Method and apparatus for sensing position in a disk drive Physics 58 Expired
US7158325B1 Disk drive head touchdown detection with improved discrimination Physics 55 Expired
US7170700B1 Method of determining side track erasure in a disk drive Physics 35 Expired
US6965491B1 Method to correct radial misposition of data tracks Physics 35 Expired
US7154690B1 Dynamic shock detection in disk drive using accumulated average position error Physics 33 Expired
US6882489B1 Dynamic off-track detector Physics 31 Expired
US7400473B1 Slider with independent fly-height adjustment of reader and writer Physics 31 Expired
US7545593B1 Magnetic storage systems and methods with tighter write fault window to improve reliability Physics 25 Expired
US6980383B2 Monitoring of phenomena indicative of PTP in a magnetic disk drive Physics 25 Expired
US7551387B2 Servo writing with offset compensation for prewritten reference Physics 25 Active
US7502205B1 Method of operating read and write transducers by controlling thermal actuation Physics 24 Expired
US6977794B1 Asymmetric seek velocity profile to improve power failure reliability for rigid disk drive with ramp Physics 21 Expired
US7106542B1 Method and apparatus for determining embedded runout correction values when self-servo writing or partial self-servo writing a disk drive Physics 19 Expired
US7167336B1 Method for providing variable gain, iterative embedded runout correction in a disk drive Physics 18 Expired
US7679851B1 Methods and structure for improved disk head switching to avoid zipper zones Physics 16 Active
US6714376B1 Partial servo write fill in Physics 16 Expired
US7489469B2 Embedded runout correction based on written-in runout measurement Physics 15 Active
US7054096B1 Method and apparatus for determining embedded runout correction values Physics 15 Expired
US7315431B1 Method to correct radial misposition of data tracks using stitched correction fields Physics 14 Expired

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