Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BK

Brian William Karr — 20 Patents

STSeagate Technology: 20 patents #272 of 4,701Top 6%
Savage, MN: #26 of 354 inventorsTop 8%
Minnesota: #3,552 of 52,454 inventorsTop 7%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Brian William Karr has been granted 20 US patents while listed as an inventor at Seagate Technology. The first was granted in 2003 and the most recent in November 2017. Brian William Karr ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Brian William Karr in Savage, MN, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9812161 Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection Manuel Charles Anaya-Dufresne, Gary J. Kunkel, Zhen Wei 2017-11-07 $14,271,000
9632149 Magnetic layer with grain refining agent Eric W. Singleton, Qing He 2017-04-25 $11,459,000
9472224 Electrically removable heater for a thermally actuatable thermal asperity sensor Declan Macken, Erik Jon Hutchinson 2016-10-18 $12,744,000
9449629 Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection Manuel Charles Anaya-Dufresne, Gary J. Kunkel, Zhen Wei 2016-09-20 $12,578,000
9123381 Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection Manuel Charles Anaya-Dufresne, Gary J. Kunkel, Zhen Wei 2015-09-01 $4,273,000
8932667 Hard magnet with cap and seed layers and data storage device read/write head incorporating the same Jiaoming Qiu, Younghua Chen, Xilin Peng, Shaun Eric McKinlay, Eric W. Singleton 2015-01-13 $12,116,000
8824100 Overcoats that include magnetic materials Joel William Hoehn, Declan Macken, Christopher L. Platt, Mei-Ling Wu, Sarbeswar Sahoo +1 more 2014-09-02 $8,897,000
8582252 Magnetic layer with grain refining agent Eric W. Singleton, Qing He 2013-11-12 $5,799,000
8395863 Laminated contact pad for a transducer head Jeremy Adam Thurn, Ibro Tabakovic, Maissarath Nassirou, Kurt W. Wierman, Joachim Walter Ahner 2013-03-12 $24,093,000
8116036 Corrosion inhibitor incorporated in carbon overcoats John L. Brand 2012-02-14 $18,185,000
7929259 Magnetic sensing device including a sense enhancing layer Zheng Gao, Song S. Xue, Eric L. Granstrom, Khuong T. Tran, Yi Li 2011-04-19 $12,526,000
7800868 Magnetic sensing device including a sense enhancing layer Zheng Gao, Song S. Xue, Eric L. Granstrom, Khuong T. Tran, Yi Li 2010-09-21 $9,536,000
7453084 Spin transistor with ultra-low energy base-collector barrier Janusz J. Nowak, David H. Olson, Eric S. Linville, Paul E. Anderson 2008-11-18 $6,163,000
7183893 TMR sensor with oxidized alloy barrier layer and method for forming the same Peter Hampden Clifton, Eric W. Singleton, David J. Larson, Kristin Duxstad 2007-02-27 $39,290,000
7035062 Structure to achieve sensitivity and linear density in tunneling GMR heads using orthogonal magnetic alignments Sining Mao, Eric S. Linville, Zheng Gao, Janusz J. Nowak, Olle Gunnar Heinonen 2006-04-25 $17,592,000
6923860 Oxidation of material for tunnel magneto-resistive sensors Mark Thomas Kief, Janusz J. Nowak 2005-08-02 $17,782,000
6743481 Process for production of ultrathin protective overcoats Joel William Hoehn, John W. Dykes, James E. Angelo, William D. Mosley, Richard T. Greenlee 2004-06-01 $5,678,000
6650519 ESD protection by a high-to-low resistance shunt Lance E. Stover, Michael B. Hintz 2003-11-18 $14,109,000
6534425 Mask design and method for controlled profile fabrication Lance E. Stover, Jianxin Zhu 2003-03-18 $5,271,000
6529347 Disc drive slider having textured pads Mary Cynthia Hipwell, Jason W. Riddering, Jorge V. Hanchi, Lance E. Stover, Timothy W. Stoebe +1 more 2003-03-04 $8,137,000