HO

Hal Hjalmar Ottesen

IBM: 76 patents #914 of 70,183Top 2%
HG HGST: 14 patents #117 of 1,677Top 7%
HT Hitachi Global Technologies: 1 patents #2 of 10Top 20%
📍 Rochester, MN: #39 of 3,042 inventorsTop 2%
🗺 Minnesota: #246 of 52,454 inventorsTop 1%
Overall (All Time): #17,298 of 4,157,543Top 1%
92
Patents All Time

Issued Patents All Time

Showing 26–50 of 92 patents

Patent #TitleCo-InventorsDate
6519102 Method and apparatus for implementing an in-situ digital harmonic computation facility for direct access storage device (DASD) Gordon James Smith 2003-02-11
6424484 Apparatus with and method of unique disk identification for magnetic hard disk drives Gordon James Smith 2002-07-23
6417982 System and method for identifying and filtering a head suspension assembly resonance frequency Gordon James Smith 2002-07-09
6415238 Adaptive compensation for arm electronics amplification circuitry of a disk drive system Gordon James Smith 2002-07-02
6407874 Method and apparatus for detection slider airbearing resonance using SAT P-list data Gordon James Smith 2002-06-18
6392841 Method and apparatus for restoring a thermal response of a magnetoresistive read transducer Gordon James Smith 2002-05-21
6384994 Method for positioning a magnetoresistive head using a thermal response to servo information on the record medium Gordon James Smith 2002-05-07
6385000 System and method for extending the operating life of a magnetoresistive transducer provided in a disk drive system Gordon James Smith, Donald R. Tobie 2002-05-07
6314377 Optimal location of drive assemblies within a multiple drive array Gordon James Smith 2001-11-06
6288856 Real-time head-to-disk clearance measuring method and apparatus Gordon James Smith 2001-09-11
6281676 Rigid disk surface defect detection and classification Gordon James Smith 2001-08-28
6275345 System and method for estimating a frequency of slider airbearing resonance Gordon James Smith 2001-08-14
6239936 Method and apparatus for calibrating a thermal response of a magnetoresistive element David W. Abraham, Timothy J. Chainer, Karl-Friedrich Etzold, Gordon James Smith 2001-05-29
6222697 Apparatus with the method of unique disk identification for magnetic hard disk drives Gordon James Smith 2001-04-24
6208804 Multimedia direct access storage device and formatting method Gordon James Smith, George Willard VanLeeuwen 2001-03-27
6154335 Method and apparatus for positioning a dual element magnetoresistive head Gordon James Smith 2000-11-28
6154858 In situ method and apparatus for detecting surface defects to identify handling damage in a disk drive Gordon James Smith 2000-11-28
6104562 Multiple element transducer for magnetic recording Gordon James Smith 2000-08-15
6097559 System and method for detecting head-to-disk contact in-situ a direct access storage device using a position error signal Gordon James Smith 2000-08-01
6088176 Method and apparatus for separating magnetic and thermal components from an MR read signal Gordon James Smith, David W. Abraham, Anthony P. Praino, Mark E. Re, Hemantha K. Wickramasinghe 2000-07-11
6084754 Method and apparatus for positioning a magnetoresistive head using thermal response to servo information on the record medium Gordon James Smith 2000-07-04
6078461 In situ offset correction for position error signal Gordon James Smith 2000-06-20
6067203 Disk drive having optimized spindle speed for environment Gordon James Smith 2000-05-23
6049441 Method and apparatus for real-time filtering of a position error signal for a disk drive servo system 2000-04-11
6035351 Storage of user defined type file data in corresponding select physical format Russell A. Billings, Dana H. Brown, Earl A. Cunningham, Richard Greenberg 2000-03-07