Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ciaran Fox — 15 Patents

IBM: 7 patents #14,688 of 70,183Top 25%
HGHGST: 5 patents #429 of 1,677Top 30%
HBHgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
SASandia: 1 patents #980 of 2,107Top 50%
SLSandia National Laboratory: 1 patents #64 of 229Top 30%
Stanford University: 1 patents #2,423 of 5,197Top 50%
Sunnyvale, CA: #1,840 of 14,302 inventorsTop 15%
California: #40,789 of 386,348 inventorsTop 15%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Ciaran Fox has been granted 15 US patents while listed as an inventor at IBM. The first was granted in 1999 and the most recent in October 2016. Ciaran Fox ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Ciaran Fox in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9476926 Real time electrostatic discharge (ESD) detection Ma. V. C. Maceren, Ray Nicanor Tag-At 2016-10-25
8040131 Method for testing the acceptability of a magnetic read sensor David E. Call, Jih-Shiuan Luo, Robert Langland Smith, Chin-Yu Yeh 2011-10-18 $92,000
7639458 System and method for pre-stressing a read head for improving performance thereof Lydia Baril, Jih-Shiuan Luo, Peter J. Melz, Chin-Yu Yeh 2009-12-29 $79,000
7196878 Self-pinned spin valve sensor with stress modification layers for reducing the likelihood of amplitude flip Hardayal Singh Gill, Prakash Kasiraj, Wen-Yaung Lee, Mustafa Pinarbasi 2007-03-27 $296,000
7138797 Reverse magnetic reset to screen for weakly pinned heads Kenneth Mackay, Vladimir Nikitin 2006-11-21 $107,000
6795278 Method of protecting read sensors from electrostatic discharge damage during the manufacture of magnetic heads James Devereaux Jarrett, Richard Hsiao, Edward Hin Pong Lee, Thomas R. Albrecht 2004-09-21 $8,100,000
6788500 System and method for pre-stressing a read head for improving performance thereof Lydia Baril, Jih-Shiuan Luo, Peter J. Melz, Chin-Yu Yeh 2004-09-07 $202,000
6762914 Method for the rapid measurement of magnetoresistive read head dimensions Peter J. Melz, Jih-Shiuan Luo, Joseph Smyth, Chin-Yu Yeh 2004-07-13 $8,966,000
6589436 Method of adjusting the flatness of a slider using selective plasma etching Jila Tabib, Yiping Hsiao, Richard Hsiao, Richard T. Campbell 2003-07-08 $17,066,000
6512382 Method for corrosion susceptibility testing of magnetic heads using simulated disk corrosion products Yiping Hsiao, Atul Kumar 2003-01-28 $17,722,000
6503406 Method for forming the air bearing surface of a slider using nonreactive plasma Yiping Hsiao, Cherngye Hwang, Richard Hsiao 2003-01-07 $16,905,000
6416935 Method for forming the air bearing surface of a slider Yiping Hsiao, Cherngye Hwang, Richard Hsiao 2002-07-09 $13,596,000
6091186 Carbon-containing cathodes for enhanced electron emission Renyu Cao, Lawrence S. Pan, German J. Vergara 2000-07-18 $18,915,000
5974657 Two step resetting of magnetization of spin valve read head at the row level Hardayal Singh Gill, Virgil S. Speriosu, Jila Tabib 1999-11-02 $18,540,000
5857882 Processing of materials for uniform field emission Lawrence S. Pam, Thomas E. Felter, Alec Talin, Douglas Ohlberg, Sung-Man Han 1999-01-12 $10,443,000