Inventor · disambiguated record
Kenneth A. Haapala
Also filed as: HAAPALA KENNETH · HAAPALA KENNETH A · HAAPALA KENNETH ARTHUR
31 granted patents·1 pending application·323 citations·filing 2002–2020
97Inventor score
Top patents by PatentIndex Score
32 records- 0197US9911442B1Feedforward compensation for multi-actuator hard drivesSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Mar 6, 2018·48 cites·20 claims
- 0296US9361919B1Disk drive with parallel head actuationSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jun 7, 2016·47 cites·27 claims
- 0395US10431246B2Dual actuator storage device utilizing multiple disk zonesSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Oct 1, 2019·16 cites·17 claims
- 0495US9142246B1Apparatus and methods to reduce hard disk drive manufacturing test timeSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Sep 22, 2015·63 cites·24 claims
- 0594US10964345B1Parallel servo control in a data storage deviceSEAGATE TECHNOLOGY LLC·Filed 2020·Granted Mar 30, 2021·9 cites·20 claims
- 0694US9858961B2Reader design for interlaced magnetic recordingSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jan 2, 2018·9 cites·19 claims
- 0793US8638349B1Head-medium contact detection using introduced heat oscillationSEAGATE TECHNOLOGY LLC·Filed 2013·Granted Jan 28, 2014·18 cites·22 claims
- 0891US10629238B1Managing storage device media data ratesSEAGATE TECHNOLOGY LLC·Filed 2019·Granted Apr 21, 2020·7 cites·19 claims
- 0991US9818445B2Magnetic storage device readersSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Nov 14, 2017·12 cites·20 claims
- 1090US9508370B1Repeated runout (RRO) compensation for alternating tracks in an interlaced magnetic recording systemSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Nov 29, 2016·10 cites·20 claims
- 1187US10741210B1Magnetic disk device having coupling observers for reducing coupling issues between independently running multi-actuatorsSEAGATE TECHNOLOGY LLC·Filed 2019·Granted Aug 11, 2020·11 cites·20 claims
- 1287US9311940B1Multiple head control using common and differential position error signalsSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Apr 12, 2016·9 cites·20 claims
- 1384US9396750B2Near-field transducer efficiency monitoring systemSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jul 19, 2016·6 cites·20 claims
- 1483US9142244B2Near-field transducer efficiency monitoring systemSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Sep 22, 2015·5 cites·20 claims
- 1583US9047898B2Head-medium contact detection using introduced heat oscillationSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Jun 2, 2015·5 cites·19 claims
- 1682US10783910B2Dual actuator storage device utilizing multiple disk zonesSEAGATE TECHNOLOGY LLC·Filed 2019·Granted Sep 22, 2020·4 cites·14 claims
- 1781US9495995B1Adjusting laser power to achieve equivalent track spacing for paired heads that simultaneously write to a heat-assisted recording mediumSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Nov 15, 2016·5 cites·20 claims
- 1878US9741379B1Methods and devices for track seeking using microactuatorsSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Aug 22, 2017·4 cites·20 claims
- 1977US6937442B2Contacting point damping method between flex circuit and pivot housingSEAGATE TECHNOLOGY LLC·Filed 2002·Granted Aug 30, 2005·17 cites·13 claims
- 2076US9691418B1Adaptive write fault thresholdsSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jun 27, 2017·3 cites·18 claims
- 2174US9502063B1Apparatus and method for measuring slider fly height relative to bit patterned mediaSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Nov 22, 2016·3 cites·22 claims
- 2273US7046478B2Method and apparatus for reducing vibration in a dynamic systemSEAGATE TECHNOLOGY LLC·Filed 2003·Granted May 16, 2006·8 cites·20 claims
- 2368US9761258B2Servo parameterization for multi-sensor readerSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Sep 12, 2017·2 cites·18 claims
- 2468US7885033B2Anticipatory track switchingSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Feb 8, 2011·1 cites·22 claims
- 2562US10366719B1Boosted preheat trajectory to obtain desired clearance before writing to diskSEAGATE TECHNOLOGY LLC·Filed 2018·Granted Jul 30, 2019·1 cites·17 claims
- 2653US10068598B2Hysteresis compensation in a disc driveSEAGATE TECHNOLOGY LLC·Filed 2018·Granted Sep 4, 2018·0 cites·20 claims
- 2752US9934802B2Hysteresis compensation in a disc driveSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Apr 3, 2018·0 cites·20 claims
- 2851US10014020B2Adaptive write fault thresholdsSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Jul 3, 2018·0 cites·20 claims
- 2950US9728213B1Hysteresis compensation in a disc driveSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Aug 8, 2017·0 cites·21 claims
- 3043US11354398B2Off-cartridge encryption key storage for cartridge-based librarySEAGATE TECHNOLOGY LLC·Filed 2020·Granted Jun 7, 2022·0 cites·16 claims
- 3142US11843692B2On-cartridge encryption key storage for cartridge-based librarySEAGATE TECHNOLOGY LLC·Filed 2020·Granted Dec 12, 2023·0 cites·20 claims
- 3239US2012050907A1Detection of proximity between a sensor and an objectHAAPALA KENNETH A·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kenneth A. Haapala files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →