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 51–75 of 92 patents

Patent #TitleCo-InventorsDate
6031683 Method for optimization of seek and settle performance in hard disk drives David Eugene Iverson, Gordon James Smith, Donald R. Tobie 2000-02-29
6023384 Data recording device and control apparatus for recording data twice on one track using different encoding methods Nathaniel C. Anderson, Mohammed Amine Hajji, Michael J. Ross 2000-02-08
6005742 Method and apparatus for controlling a multiple-stage actuator for a disk drive Earl A. Cunningham, Long-Sheng Fan, Timothy C. Reiley 1999-12-21
6002540 Method and apparatus for rotary actuator arc compensation correction in a direct access storage device Earl A. Cunningham, Kevin J. Erickson 1999-12-14
6002539 Method for calibrating a dual element magnetoresistive head Gordon James Smith 1999-12-14
5995317 Method and apparatus for real-time filtering of a position error signal for a disk drive servo system 1999-11-30
5973870 Adaptive and in-situ load/unload damage estimation and compensation Zine-Eddine Boutaghou, Gordon James Smith 1999-10-26
5936788 Method and apparatus for ramp load and unload Zine-Eddine Boutaghou, Earl A. Cunningham 1999-08-10
5930493 Multimedia server system and method for communicating multimedia information Gordon James Smith, George Willard VanLeeuwen 1999-07-27
5920441 Method and apparatus for controlling a multiple-stage actuator for a disk drive Earl A. Cunningham, Long-Sheng Fan, Timothy C. Reiley 1999-07-06
5880901 Method and apparatus for positioning a magnetoresistive head Gordon James Smith 1999-03-09
5875066 Method and apparatus for real-time filtering of a position error signal for a disk drive servo system 1999-02-23
5872676 Method and apparatus for positioning a dual element magnetoresistive head using thermal signals Gordon James Smith 1999-02-16
5870241 Method and apparatus for evasive maneuvering to keep DASD heads away from protruding surface defects Gordon James Smith 1999-02-09
5854722 Method and apparatus for rotary actuator arc compensation correction in a direct access storage device Earl A. Cunningham, Kevin J. Erickson 1998-12-29
5838514 Method and apparatus for calibrating a thermal response of a magnetoresistive transducer Gordon James Smith 1998-11-17
5831786 Disk drive having position sensor for ramp load and unload, and method for its use Zine-Eddine Boutaghou, Earl A. Cunningham 1998-11-03
5778135 Real-time edit control for video program material Gordon James Smith 1998-07-07
5764430 Disk drive having optimized spindle speed for environment Gordon James Smith 1998-06-09
5751510 Method and apparatus for restoring a thermal response signal of a magnetoresistive head Gordon James Smith 1998-05-12
5751883 Multimedia direct access storage device and formatting method Gordon James Smith, George W. Van Leeuwen 1998-05-12
5739994 Optimally banded disk for use with multiple frequency channel Gordon James Smith 1998-04-14
5739972 Method and apparatus for positioning a magnetoresistive head using thermal response to servo information on the record medium Gordon James Smith 1998-04-14
5732215 System for equalizing operating temperature by allocating infrequently accessed data to the high temperature DASD and allocating frequently accessed data to the low temperature DASD Zine-Eddine Boutaghou 1998-03-24
5729397 System and method for recording direct access storage device operating statistics Gordon James Smith 1998-03-17