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USPTO Patent Rankings Data through Dec 31, 2025
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Patrick J. Ryan — 53 Patents

STSeagate Technology: 47 patents #70 of 4,701Top 2%
ILIntravascular Research Limited: 5 patents #2 of 17Top 15%
Overall (All Time): #48,528 of 4,157,543Top 2%
53 Patents All Time
Patrick J. Ryan has been granted 53 US patents while listed as an inventor at Seagate Technology. The first was granted in 1995 and the most recent in January 2015. Patrick J. Ryan ranks #48,528 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Patrick J. Ryan in London, MN, GB.

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8942035 Non-sequential encoding scheme for multi-level cell (MLC) memory cells Yiran Chen, Dadi Setiadi 2015-01-27 $18,950,000
8541247 Non-volatile memory cell with lateral pinning Haiwen Xi, Antoine Khoueir, Brian Lee 2013-09-24 $111,223,000
8520344 Magnetoresistive device with enhanced pinned layer Song S. Xue, Paul Edward Anserson, Konstantin Nikolaev 2013-08-27 $10,570,000
8456903 Magnetic memory with porous non-conductive current confinement layer Michael Xuefei Tang, Ming Sun, Dimitar V. Dimitrov 2013-06-04 $18,909,000
8335058 Magnetic sensor including a free layer having perpendicular to the plane anisotropy Song S. Xue, Zheng Gao, Shaoping Li, Kaizhong Gao, Dimitar V. Dimitrov +1 more 2012-12-18 $28,852,000
8289748 Tuning a variable resistance of a resistive sense element Brian Lee, Haiwen Xi, Rod V. Bowman 2012-10-16 $4,778,000
8184409 Magnetoresistive device with enhanced pinned layer Song S. Xue, Paul E. Anderson, Konstantin Nikolaev 2012-05-22 $22,615,000
7969771 Semiconductor device with thermally coupled phase change layers Haiwen Xi, Michael Xuefei Tang, Yuankai Zheng 2011-06-28 $8,205,000
7944009 Magnetoresistive device having specular sidewall layers Song S. Xue, Paul E. Anderson, Michael C. Kautzky, Xuefei Tang 2011-05-17 $9,790,000
7936057 High bandwidth package Dadi Setiadi 2011-05-03 $4,616,000
7929258 Magnetic sensor including a free layer having perpendicular to the plane anisotropy Song S. Xue, Zheng Gao, Shaoping Li, Kaizhong Gao, Dimitar V. Dimitrov +1 more 2011-04-19 $12,526,000
7872323 Magnetoresistive device having specular sidewall layers Song S. Xue, Paul E. Anderson, Michael C. Kautzky, Xuefei Tang 2011-01-18 $12,714,000
7835116 Magnetoresistive stack with enhanced pinned layer Song S. Xue, Paul E. Anderson, Konstantin Nikolaev 2010-11-16 $14,287,000
7835110 MEMS disc drive Alan Johnston, Roger L. Hipwell, Jr., Hans Leuthold, Song S. Xue, Nurul Amin +6 more 2010-11-16 $14,287,000
7826171 Interconnect architecture for disc drive array Alan Johnston, Roger L. Hipwell, Jr., Hans Leuthold, Song S. Xue, Nurul Amin +6 more 2010-11-02 $4,037,000
7826181 Magnetic memory with porous non-conductive current confinement layer Michael Xuefei Tang, Ming Sun, Dimitar V. Dimitrov 2010-11-02 $4,037,000
7810373 MEMS shock sensors Nurul Amin, Song S. Xue 2010-10-12 $6,761,000
7724469 High frequency field assisted write device Kaizhong Gao, Haiwen Xi, Yiming Shi, Sining Mao, Song S. Xue +1 more 2010-05-25 $17,849,000
7684150 Recording head for reducing side track erasure Taras Pokhil, Nurul Amin, Steven P. Bozeman, Steven Kalderon, Andrzej Stankiewicz +4 more 2010-03-23 $16,153,000
7561380 Transducing head including a magnetic element exhibiting varying permeability Nurul Amin, Yuming Zhou, Kaizhong Gao, Steven Kalderon, Song S. Xue +2 more 2009-07-14 $13,509,000
7509748 Magnetic MEMS sensors Song S. Xue, Nurul Amin 2009-03-31 $12,427,000
7440213 Apparatus and method for controlling remnant magnetization in a magnetic recording head Nurul Amin, Song S. Xue 2008-10-21 $6,401,000
7436632 Differential/dual CPP recording head Shaoping Li, Song S. Xue, Kaizhong Gao 2008-10-14 $43,800,000
7397633 Writer structure with assisted bias Song S. Xue, Mark Thomas Kief, Johannes Van Ek, Nural Amin, Olle Gunner Heinonen +1 more 2008-07-08 $10,692,000
7382575 Transducing head including a magnetic element exhibiting varying permeability Nurul Amin, Yuming Zhou, Kaizhong Gao, Steven Kalderon, Song S. Xue +2 more 2008-06-03 $12,043,000