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

Mark Thomas Kief — 56 Patents

STSeagate Technology: 56 patents #50 of 4,722Top 2%
Lakeville, MN: #5 of 513 inventorsTop 1%
Minnesota: #727 of 52,454 inventorsTop 2%
Overall (All Time): #44,020 of 4,157,543Top 2%
56 Patents All Time
Mark Thomas Kief has been granted 56 US patents while listed as an inventor at Seagate Technology. The first was granted in 2003 and the most recent in January 2024. Mark Thomas Kief ranks #44,020 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Mark Thomas Kief in Lakeville, MN, US.

Patents per Year

Patents granted per year, 2003 to 2024Bar chart with a peak of 11 patents in 2015.peak 112003: 1 patents20032004: 3 patents2005: 1 patents20052006: 3 patents2007: 1 patents20072008: 3 patents2009: 1 patents20092010: 2 patents2011: 2 patents20112012: 3 patents2013: 5 patents20132014: 5 patents2015: 11 patents20152016: 3 patents2017: 4 patents20172018: 4 patents2019: 1 patents20192021: 1 patents2022: 1 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11862208 Non-local spin valve sensor for high linear density 2024-01-02 $126,826,000
11282538 Non-local spin valve sensor for high linear density 2022-03-22 $40,926,000
11125836 Magnetic sensor manufacturing Qing He, Wonjoon Jung, Mark William Covington, Yonghua Chen 2021-09-21 $25,851,000
10186285 Data reader with front shield coupling structure Adam Andrzej Lapicki, Sameh Hassan, Yuqing Du, Marcus Ormston 2019-01-22 $14,222,000
10121499 Magnetoresistive sensor with enhanced uniaxial anisotropy Sameh Hassan, Wonjoon Jung, Marcus Ormston 2018-11-06 $22,360,000
9922670 Method of manufacturing a recessed data reader pinning structure with vertical sidewall Adam Andrzej Lapicki, Marcus Ormston 2018-03-20 $25,484,000
9899045 Data reader with pinned front shield Kevin McNeill 2018-02-20 $14,320,000
9880232 Magnetic sensor manufacturing Qing He, Wonjoon Jung, Mark William Covington, Yonghua Chen 2018-01-30 $16,859,000
9679589 Magnetoresistive sensor with enhanced uniaxial anisotropy Sameh Hassan, Wonjoon Jung, Marcus Ormston 2017-06-13 $9,118,000
9672849 Multiple reader stacks disposed in close proximity Thomas Roy Boonstra 2017-06-06 $20,545,000
9653102 Data reader with pinned front shield Kevin McNeill 2017-05-16 $13,795,000
9634242 Data reader with front shield coupling structure Adam Andrzej Lapicki, Sameh Hassan, Yuqing Du, Marcus Ormston 2017-04-25 $11,459,000
9406321 Read head with multiple reader stacks Thomas Roy Boonstra, Victor Boris Sapozhnikov, Harry Sam Edelman 2016-08-02 $15,075,000
9378760 Data reader with tuned microstructure Qing He, Mark William Covington 2016-06-28 $5,905,000
9293159 Positive and negative magnetostriction ultrahigh linear density sensor Wonjoon Jung, Dimitar V. Dimitrov 2016-03-22 $16,731,000
9218823 Read head with multiple reader stacks Dimitar V. Dimitrov, Thomas Roy Boonstra 2015-12-22 $7,634,000
9159339 Wire and wire lead designs for a wire-assisted magnetic write device Werner Scholz, Thomas William Clinton, Sharat Batra, Eric S. Linville, Wei Peng +1 more 2015-10-13 $9,003,000
9142226 Thin film with tuned grain size Venkateswara Rao Inturi, Wei Tian, Huaqing Yin, Michael C. Kautzky, Meng Zhu +1 more 2015-09-22 $7,900,000
9123361 Reader with at least two-spin detectors Dimitar V. Dimitrov, Javier Guzman 2015-09-01 $4,273,000
9099109 Magnetic stack with different areal extents on an air bearing surface Dimitar V. Dimitrov, Dian Song, Sung-Hoon Gee 2015-08-04 $4,671,000
9064509 Injector stack with diffusive layer Dimitar V. Dimitrov, Dian Song, Amit Sharma 2015-06-23 $9,123,000
9042061 Depolarizing layer in a magnetic stack Dimitar V. Dimitrov, Dian Song, Amit Sharma 2015-05-26 $8,114,000
9036308 Varyinig morphology in magnetic sensor sub-layers Mark William Covington, Wonjoon Jung 2015-05-19 $6,208,000
8999118 Formation of non-magnetic grooves Ibro Tabakovic, Steve Riemer, Jie Gong, Ming Sun 2015-04-07 $9,653,000
8970991 Coupling feature in a magnetoresistive trilayer lamination Dimitar V. Dimitrov, Dian Song, Wonjoon Jung, Mark William Covington 2015-03-03 $8,760,000