Inventor
SEIGLER MICHAEL A
US32 patents
⚠️ This page may combine multiple inventors who share the name “SEIGLER MICHAEL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY LLC
29 patentsUS6462919B1Oct 8, 2002
Spin valve sensor with exchange tabs
SEAGATE TECHNOLOGY LLC63 citations94
US7518815B2Apr 14, 2009
Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure
SEAGATE TECHNOLOGY LLC27 citations92
US7094483B2Aug 22, 2006
Magnetic storage media having tilted magnetic anisotropy
SEAGATE TECHNOLOGY LLC19 citations92
US7936597B2May 3, 2011
Multilevel magnetic storage device
SEAGATE TECHNOLOGY LLC46 citations91
US7839497B1Nov 23, 2010
Phase compensator for coupling an electromagnetic wave into an optical condenser
SEAGATE TECHNOLOGY LLC17 citations84
US7061725B2Jun 13, 2006
Magnetic read sensor with stripe width and stripe height control
SEAGATE TECHNOLOGY LLC17 citations84
US6754054B2Jun 22, 2004
Spin valve read element using a permanent magnet to form a pinned layer
SEAGATE TECHNOLOGY LLC15 citations84
US9865283B2Jan 9, 2018
Devices including a near field transducer (NFT) including peg and disc from different materials
SEAGATE TECHNOLOGY LLC10 citations83
US6917493B2Jul 12, 2005
Ampere head with perpendicular magnetic field
SEAGATE TECHNOLOGY LLC17 citations82
US6765767B2Jul 20, 2004
Magnetoresistive head on a side wall for increased recording densities
SEAGATE TECHNOLOGY LLC17 citations82
US9792935B2Oct 17, 2017
Magnetic devices with variable overcoats
SEAGATE TECHNOLOGY LLC12 citations80
US11900963B2Feb 13, 2024
Heat-assisted magnetic recording head near-field transducer with a hybrid plasmonic disk
SEAGATE TECHNOLOGY LLC2 citations73
US10310182B2Jun 4, 2019
Patterned plasmonic underlayer
SEAGATE TECHNOLOGY LLC4 citations73
US10431244B2Oct 1, 2019
Devices including a near field transducer (NFT) including peg and disc from different materials
SEAGATE TECHNOLOGY LLC2 citations72
US9721593B2Aug 1, 2017
Near field transducer (NFT) including peg and disc of different materials
SEAGATE TECHNOLOGY LLC2 citations72
US11222657B1Jan 11, 2022
Heat-assisted magnetic recording head with a near-field transducer extending beyond the media-facing surface
SEAGATE TECHNOLOGY LLC4 citations70
US12198721B2Jan 14, 2025
Heat-assisted magnetic recording head near-field transducer with a hybrid plasmonic disk
SEAGATE TECHNOLOGY LLC0 citations63
US11790944B2Oct 17, 2023
Heat-assisted magnetic recording head near-field transducer with a plasmonic disk
SEAGATE TECHNOLOGY LLC0 citations63
US7656700B2Feb 2, 2010
Magnetoresistive sensor memory with multiferroic material
SEAGATE TECHNOLOGY LLC3 citations63
US12374357B1Jul 29, 2025
Heat-assisted magnetic recording head with a solid immersion mirror
SEAGATE TECHNOLOGY LLC0 citations62
US11769527B2Sep 26, 2023
Heat-assisted magnetic recording head near-field transducer with a heat sink
SEAGATE TECHNOLOGY LLC0 citations62
US10037771B2Jul 31, 2018
Near field transducer (NFT) including peg and disc of different materials
SEAGATE TECHNOLOGY LLC1 citations62
US8023317B2Sep 20, 2011
Magnetic random access memory with dual spin torque reference layers
SEAGATE TECHNOLOGY LLC2 citations62
US7859892B2Dec 28, 2010
Magnetic random access memory with dual spin torque reference layers
SEAGATE TECHNOLOGY LLC1 citations62
US7050274B2May 23, 2006
Multilayer permanent magnet films
SEAGATE TECHNOLOGY LLC4 citations61
US12190922B1Jan 7, 2025
Method for forming a HAMR recording head with a protruding near-field transducer
SEAGATE TECHNOLOGY LLC0 citations60
US12367896B1Jul 22, 2025
Magnetic recording head writer having an auxiliary magnetomotive force coil
SEAGATE TECHNOLOGY LLC0 citations52
US9922669B2Mar 20, 2018
Method of making a write head core
SEAGATE TECHNOLOGY LLC0 citations52
US9251814B2Feb 2, 2016
Write head core
SEAGATE TECHNOLOGY LLC0 citations52