DW

David Wachenschwanz

KO Komag: 6 patents #12 of 100Top 15%
WM Wd Media: 5 patents #19 of 182Top 15%
WT Western Digital Technologies: 3 patents #968 of 3,180Top 35%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
MA Maxtor: 1 patents #329 of 656Top 55%
W( Western Digital (Fremont): 1 patents #299 of 473Top 65%
Overall (All Time): #299,034 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9183859 HAMR writer pole length characterization Michael Alex, Bogdan Florin Valcu, Andreas Moser 2015-11-10
8902533 Disk drive detecting different asperities on a disk using different sensor bias settings Carl E. Barlow, Chun Sei Tsai, Chirag C. Patel, Boon Sien Chew, Thomas A. O'Dell +1 more 2014-12-02
8817413 Disk lubricant management in data storage device Bernard E. Knigge, Min-Cheng Yang 2014-08-26
8797667 Disk drive calibrating bias signal for touchdown sensor Carl E. Barlow, Chun Sei Tsai, Thomas A. O'Dell, David E. Fowler, Balvinder Singh 2014-08-05
7944643 Patterns for pre-formatted information on magnetic hard disk media Wen Da Jiang, Paul Christopher Dorsey, David Treves 2011-05-17
7656615 Perpendicular magnetic recording disk with a soft magnetic layer having a discrete track recording pattern Gerardo A. Bertero, David Treves, Andrew M. Homola, James L. Chao, Christopher H. Bajorek 2010-02-02
7608193 Perpendicular magnetic discrete track recording disk Gerardo A. Bertero, David Treves, Andrew M. Homola, James L. Chao, Christopher H. Bajorek 2009-10-27
7549209 Method of fabricating a magnetic discrete track recording disk Gerardo A. Bertero, David Treves, Andrew M. Homola, James L. Chao, Christopher H. Bajorek 2009-06-23
7471484 Patterned medium and recording head Michael McNeil, John Vicars 2008-12-30
7161753 Modulation of sidewalls of servo sectors of a magnetic disk and the resultant disk David Treves 2007-01-09
7147790 Perpendicular magnetic discrete track recording disk Gerardo A. Bertero, David Treves, Andrew M. Homola, James L. Chao, Christopher H. Bajorek 2006-12-12
7070870 Magnetic media with improved exchange coupling Gerardo A. Bertero, Sudhir S. Malhotra, Zhengsheng Shan, Donald C. Stafford 2006-07-04
7019924 Patterned medium and recording head Michael McNeil, John Vicars 2006-03-28
6899959 Magnetic media with improved exchange coupling Gerardo A. Bertero, Sudhir S. Malhotra, Zhengsheng Shan, Donald C. Stafford 2005-05-31
6893748 Soft magnetic film for perpendicular recording disk Gerardo A. Bertero, Sudhir S. Malhotra, Emur M. Velu 2005-05-17
4642718 Optimum control of overwrite by record gap length selection Frederick J. Jeffers 1987-02-10