DW

Douglas Johnson Werner

IBM: 24 patents #4,429 of 70,183Top 7%
HG HGST: 12 patents #129 of 1,677Top 8%
HB Hgst Netherlands, B.V.: 2 patents #341 of 972Top 40%
Overall (All Time): #86,780 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 25 most recent of 38 patents

Patent #TitleCo-InventorsDate
9236069 Method for making a current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with reduced-width self-aligned top electrode Patrick M. Braganca, Jeffrey R. Childress, Jordan Asher Katine, Yang Li, Neil Leslie Robertson +2 more 2016-01-12
8988833 Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with reduced-width top and bottom electrodes and method for making Patrick M. Braganca, Jeffrey R. Childress, Jordan Asher Katine, Yang Li, Neil Leslie Robertson +2 more 2015-03-24
8268517 Photolithographic method and mask devices utilized for multiple exposures in the field of a feature Mary Kathryn Gutberlet, Rambod Nader, Michael Andrew Parker 2012-09-18
8192900 Advanced phase shift lithography and attenuated phase shift mask for narrow track width d write pole definition Hong Du, Yi Zheng 2012-06-05
7974047 Current perpendicular to plane differential magnetoresistance read head design using a current confinement structure proximal to an air bearing surface Hardayal Singh Gill, Wen-Chien David Hsiao, Wipul Pemsiri Jayasekara 2011-07-05
7919231 Photolithographic method and mask devices utilized for multiple exposures in the field of a feature Mary Kathryn Gutberlet, Rambod Nader, Michael Andrew Parker 2011-04-05
7563381 High milling resistance write pole fabrication method for perpendicular recording Amanda Baer, Quang Le, Kim Y. Lee, Aron Pentek, Sue Siyang Zhang 2009-07-21
7555828 Method for manufacturing a read sensor for a magnetoresistive head Gregory Breyta, Mark Whitney Hart, Bulent N. Kurdi, Dennis McKean, Alfred Renaldo 2009-07-07
7532441 MR read head with first and second gap layers 2009-05-12
7531907 System and method for forming serial numbers on HDD wafers Unal Murat Guruz, Mary Kathryn Gutberlet, Yvette Chung Nga Winton 2009-05-12
7465532 Image transfer process for thin film component definition Dwight Cornwell 2008-12-16
7297470 Image transfer process for thin film component definition Dwight Cornwell 2007-11-20
7204014 Magnetic head with thin gap layers Hardayal Singh Gill 2007-04-17
7152305 Method for fabricating a magnetoresistive (MR) read head 2006-12-26
6913870 Fabrication process using a thin liftoff stencil formed by an image transfer process Alfred Renaldo 2005-07-05
6861177 Method of forming a read sensor using a lift-off mask having a hardmask layer and a release layer Mustafa Pinarbasi, Ian Robson McFadyen, Alfred Renaldo, Randall George Simmons 2005-03-01
6786803 Onboard multiphase electronic lapping guide design for MR heads Linden James Crawforth, Benjamin Wang, Timothy J. Minvielle 2004-09-07
6762011 Deposition of a projection structure on a substrate using a negative mask and negative photoresist Alfred Renaldo 2004-07-13
6707647 Magnetic head with thin gap layers Hardayal Singh Gill 2004-03-16
6628484 Planar gap pre-fill process for read heads 2003-09-30
6570743 READ HEAD WITH HIGH AND LOW RESISTANCE LEAD LAYERS WHEREIN THE HIGH RESISTANCE LEAD LAYERS ARE CONNECTED TO A READ SENSOR AND EXTEND PERPENDICULAR FROM AN AIR BEARING SURFACE (ABS) OF THE READ HEAD BEYOND A BACK RECESSED EDGE OF THE SENSOR WHERE THE HIGH RESISTANCE LEAD LAYERS ARE CONNECTED TO THE LOW RESISTANCE LAYERS Glen Adam Garfunkel, Wen-Chien David Hsiao, Edward Hinpong Lee 2003-05-27
6504689 Tunnel junction read head with flux guide coupled to and magnetically extending a recessed free layer to an air bearing surface Hardayal Singh Gill 2003-01-07
6430011 Read head with improved lead layers at an air bearing surface Glen Adam Garfunkel, Wen-Chien David Hsiao, Edward Hinpong Lee 2002-08-06
6219212 Magnetic tunnel junction head structure with insulating antiferromagnetic layer Hardayal Singh Gill 2001-04-17
6176005 Method of making read head with improved lead layers Glen Adam Garfunkel, Wen-Chien David Hsiao, Edward Hinpong Lee 2001-01-23