Inventor · disambiguated record
David H. Jen
Also filed as: JEN DAVID · JEN DAVID H
13 granted patents·241 citations·filing 1995–2014
92Inventor score
Files withIBM5HGST Netherlands BV3HATTORI RYOHEITA1HITACHI GLOBAL STORAGE TECH1HITACHI GLOBAL STORAGE TECH NL1
Top patents by PatentIndex Score
13 records- 0190US9070390B2Modified areal densities for degraded storage device read headsHGST Netherlands BV·Filed 2013·Granted Jun 30, 2015·13 cites·15 claims
- 0287US6405277B1Method and system for writing data to a magnetic storage device in a relatively cold or hot environmentIBM·Filed 1998·Granted Jun 11, 2002·62 cites·36 claims
- 0385US6101062AMethod and apparatus for unloading head from disk before a shock to a disk drive systemIBM·Filed 1997·Granted Aug 8, 2000·44 cites·12 claims
- 0484US5827424AContaminant reduction system for disk drivesIBM·Filed 1996·Granted Oct 27, 1998·65 cites·7 claims
- 0578US8131920B2Method and system for dynamically allocating read and write sequence randomizerHATTORI RYOHEITA·Filed 2007·Granted Mar 6, 2012·13 cites·5 claims
- 0678US7920350B2Adaptive data recovery procedure based on radial positioningHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Apr 5, 2011·4 cites·21 claims
- 0775US8068306B2Write quality of HDD heads experiencing temporary fly-height problemsRAMAMOORTHY LAKSHMI·Filed 2009·Granted Nov 29, 2011·5 cites·19 claims
- 0872US9047921B2Adjusting recording density in a circumferential directionJEN DAVID·Filed 2009·Granted Jun 2, 2015·4 cites·19 claims
- 0964US6501624B1Multiple zone data storage system and methodIBM·Filed 1997·Granted Dec 31, 2002·14 cites·12 claims
- 1063US9542104B2System and method for controlling a storage deviceHGST Netherlands BV·Filed 2013·Granted Jan 10, 2017·1 cites·25 claims
- 1162US5798884AMultiple zone data storage system and methodIBM·Filed 1995·Granted Aug 25, 1998·13 cites·9 claims
- 1259US7486457B2Method and apparatus for predicting write failure resulting from flying height modulationHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Feb 3, 2009·3 cites·31 claims
- 1352US9368137B2Self-cleaning recording heads based on actuator seek profileHGST Netherlands BV·Filed 2014·Granted Jun 14, 2016·0 cites·17 claims
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