VS

Virgil S. Speriosu

IBM: 22 patents #4,909 of 70,183Top 7%
Overall (All Time): #198,749 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
6239955 Stabilized MR sensor and heat guide joined by contiguous junction Moris Dovek, Robert E. Fontana, Jr., Richard Hsiao, Mohamad Towfik Krounbi, Hugo Alberto Emilio Santini 2001-05-29
6181532 Stabilized MR sensor and flux/heat guide joined by contiguous junction Moris Dovek, Robert E. Fontana, Jr., Richard Hsiao, Mohamad Towfik Krounbi, Hugo Alberto Emilio Santini 2001-01-30
5974657 Two step resetting of magnetization of spin valve read head at the row level Ciaran Fox, Hardayal Singh Gill, Jila Tabib 1999-11-02
5930084 Stabilized MR sensor and flux guide joined by contiguous junction Moris Dovek, Robert E. Fontana, Jr., Richard Hsiao, Mohamad Towfik Krounbi, Hugo Alberto Emilio Santini 1999-07-27
5893981 Method of making stabilized MR sensor and flux guide joined by contiguous junction Moris Dovek, Robert E. Fontana, Jr., Richard Hsiao, Mohamad Towfik Krounbi, Hugo Alberto Emilio Santini 1999-04-13
5856617 Atomic force microscope system with cantilever having unbiased spin valve magnetoresistive strain gauge Bruce Alvin Gurney, Harry Jonathon Mamin, Daniel Rugar 1999-01-05
5828530 Orthogonal spin valve sensor with reduced net field Hardayal Singh Gill, Bruce Alvin Gurney, Joseph Smyth, Douglas Johnson Werner 1998-10-27
5701223 Spin valve magnetoresistive sensor with antiparallel pinned layer and improved exchange bias layer, and magnetic recording system using the sensor Robert E. Fontana, Jr., Bruce Alvin Gurney, Tsann Lin, Ching Hwa Tsang, Dennis R. Wilhoit 1997-12-23
5696656 Highly sensitive orthogonal spin valve read head Hardayal Singh Gill, Bruce Alvin Gurney, Joseph Smyth, Douglas Johnson Werner 1997-12-09
5650887 System for resetting sensor magnetization in a spin valve magnetoresistive sensor Moris Dovek, Bruce Alvin Gurney 1997-07-22
5598308 Magnetoresistive sensor having multilayer thin film structure Bernard Dieny, Bruce Alvin Gurney, Stuart Stephen Papworth Parkin, Ian L. Sanders, Dennis R. Wilhoit 1997-01-28
5583725 Spin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensor Kevin R. Coffey, Bruce Alvin Gurney, David Heim, Haralambos Lefakis, Daniele Mauri +1 more 1996-12-10
5574605 Antiferromagnetic exchange coupling in magnetoresistive spin valve sensors Peter Michael Baumgart, Bernard Dieny, Bruce Alvin Gurney, Dennis R. Wilhoit 1996-11-12
5561368 Bridge circuit magnetic field sensor having spin valve magnetoresistive elements formed on common substrate Moris Dovek, Robert E. Fontana, Jr., Jaquelin K. Spong 1996-10-01
5422571 Magnetoresistive spin valve sensor having a nonmagnetic back layer Bruce Alvin Gurney, David Heim, Haralambos Lefakis, Omar U. Need, III, Dennis R. Wilhoit 1995-06-06
5408377 Magnetoresistive sensor with improved ferromagnetic sensing layer and magnetic recording system using the sensor Bruce Alvin Gurney, Haralambos Lefakis, Omar U. Need, III, Stuart Stephen Papworth Parkin, Dennis R. Wilhoit 1995-04-18
5341261 Magnetoresistive sensor having multilayer thin film structure Bernard Dieny, Bruce Alvin Gurney, Stuart Stephen Papworth Parkin, Ian L. Sanders, Dennis R. Wilhoit 1994-08-23
5301079 Current biased magnetoresistive spin valve sensor William C. Cain, Bernard Dieny, Robert E. Fontana, Jr. 1994-04-05
5287238 Dual spin valve magnetoresistive sensor Peter Michael Baumgart, Bernard Dieny, Bruce Alvin Gurney, Jean-Pierre Nozieres, Dennis R. Wilhoit 1994-02-15
5206590 Magnetoresistive sensor based on the spin valve effect Bernard Dieny, Bruce Alvin Gurney, Steven E. Lambert, Daniele Mauri, Stuart Stephen Papworth Parkin +1 more 1993-04-27
5159513 Magnetoresistive sensor based on the spin valve effect Bernard Dieny, Bruce Alvin Gurney, Serhat Metin, Stuart Stephen Papworth Parkin 1992-10-27
5014147 Magnetoresistive sensor with improved antiferromagnetic film Stuart Stephen Papworth Parkin, Kevin P. Roche 1991-05-07