Inventor
Patrick J. Ryan
Inventor
St. Paul, MN, US
Overview
Patents· 55 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer32%
B82YSpecific uses or applications of nanostructures21%
G01RMeasuring electric variables11%
Y10TTechnical subjects covered by former us classification6%
G11CStatic stores5%
H01FMagnets5%
G01SRadio direction-finding4%
H10NElectric solid-state devices not otherwise provided for4%
A61KPreparations for medical, dental or toiletry purposes2%
G10KSound-producing devices2%
PatentTitleYear
8,942,035'Non-sequential encoding scheme for multi-level cell (MLC) memory cells'20158,541,247'Non-volatile memory cell with lateral pinning'20138,520,344'Magnetoresistive device with enhanced pinned layer'20138,456,903'Magnetic memory with porous non-conductive current confinement layer'20138,335,058'Magnetic sensor including a free layer having perpendicular to the plane anisotropy'20128,289,748'Tuning a variable resistance of a resistive sense element'20128,184,409'Magnetoresistive device with enhanced pinned layer'20127,969,771'Semiconductor device with thermally coupled phase change layers'20117,944,009'Magnetoresistive device having specular sidewall layers'20117,936,057'High bandwidth package'20117,929,258'Magnetic sensor including a free layer having perpendicular to the plane anisotropy'20117,872,323'Magnetoresistive device having specular sidewall layers'20117,835,110'MEMS disc drive'20107,835,116'Magnetoresistive stack with enhanced pinned layer'20107,826,181'Magnetic memory with porous non-conductive current confinement layer'20107,826,171'Interconnect architecture for disc drive array'20107,810,373'MEMS shock sensors'20107,724,469'High frequency field assisted write device'20107,684,150'Recording head for reducing side track erasure'20107,561,380'Transducing head including a magnetic element exhibiting varying permeability'20097,509,748'Magnetic MEMS sensors'20097,440,213'Apparatus and method for controlling remnant magnetization in a magnetic recording head'20087,436,632'Differential/dual CPP recording head'20087,397,633'Writer structure with assisted bias'20087,382,575'Transducing head including a magnetic element exhibiting varying permeability'20087,359,161'Magnetic sensor that combines both CPP and CIP modes of operation'20087,158,353'Magnetoresistive sensor having specular sidewall layers'20076,914,758'Method and apparatus for preventing ESD and EOS damage in manufacturing magnetoresistive effect read heads'20056,801,410'Side flux guide for current perpendicular to plane magnetoresistive transducer'20046,771,472'Structure to achieve thermally stable high sensitivity and linear range in bridge GMR sensor using SAF magnetic alignments'20046,710,982'Domain control in shields of a magnetic transducer'20046,694,603'Process of forming a magnetic microactuator'20046,633,459'Functional recording-head on-slider lap monitor'20036,621,667'Giant magnetoresistive sensor with a multilayer cap layer'20036,507,457'Magnetic head'20036,483,298'Test simulation of a read/write head'20026,449,135'Overlaid MR structure with magnetostatic stabilized soft adjacent layer'20026,441,994'High frequency response writer with recessed shared pole and vertical coils'20026,351,357'Laminated hard magnet in MR sensor'20026,278,595'Magnetoresistive sensor having a hard-biasing material and a cubic-titanium-tungsten underlayer'20016,254,542'Ultrasonic visualization method and apparatus'20016,235,342'Method of fabricating a magnetoresistive read sensor'20016,229,678'Magnetoresistive read sensor'20016,144,534'Laminated hard magnet in MR sensor'20006,122,149'Magnetic microactuator and inductive sensor having shaped pole configuration'20005,993,393'Methods and apparatus for the examination and treatment of internal organs'19995,935,072'Ultrasonic visualisation method and apparatus'19995,896,246'Suspension fabricated from silicon'19995,776,537'Method of characterizing exchange coupling for magnetoresistive sensor'19985,711,063'Method of forming a suspension fabricated from silicon'19985,590,659'Ultrasonic visualization method and apparatus'19975,514,953'Wafer level test structure for detecting multiple domains and magnetic instability in a permanent magnet stabilized MR head'19965,456,259'Ultrasonic transducer arrangement and catheter'19954,900,540'Lipisomes containing gas for ultrasound detection'19904,544,545'Liposomes containing modified cholesterol for organ targeting'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1990Based in Worcester, MA, US· patent location history
1995–2001Patents assigned to INTRAVASCULAR RES LTD (5)· patent assignee history
1995Based in London, GB· patent location history
1996–2010Patents assigned to SEAGATE TECHNOLOGY (6)· patent assignee history
1996–2015Based in St. Paul, MN, US· patent location history
1997–2001Based in Thames Ditton, GB· patent location history
2000–2015Patents assigned to SEAGATE TECHNOLOGY LLC (41)· patent assignee history
2003Based in Scotts Valley, CA, US· patent location history
2012–2015Patents assigned to RYAN PATRICK J (4)· patent assignee history
2012–2013Patents assigned to DIMITROV DIMITAR V (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEAGATE TECHNOLOGY LLC | 41 | 2000–2015 |
| SEAGATE TECHNOLOGY | 6 | 1996–2010 |
| INTRAVASCULAR RES LTD | 5 | 1995–2001 |
| RYAN PATRICK Jself | 4 | 2012–2015 |
| DIMITROV DIMITAR V | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 47 | 1996–2015 |
| Thames Ditton, GB | 4 | 1997–2001 |
| Worcester, Massachusetts, US | 2 | 1985–1990 |
| Scotts Valley, California, US | 1 | 2003 |
| London, GB | 1 | 1995 |