DF

Dennis L. Fox

IBM: 5 patents #18,733 of 70,183Top 30%
HG HGST: 2 patents #738 of 1,677Top 45%
Overall (All Time): #758,076 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6801396 Substrate independent superpolishing process and slurry Brent R. Den Hartog, James A. Hagan, John C. S. Shen, Kannimangalam Venkatasubramanyam Viswanathan 2004-10-05
6634928 Fluid jet cutting method and apparatus Karl R. Erickson, Douglas Kuchta, Douglas Howard Piltingsrud 2003-10-21
6582279 Apparatus and method for reclaiming a disk substrate for use in a data storage device James A. Hagan, John P. Hagen, Paul Henry Hanson, Theresa Marie Lewis, Janice Blue Ostrom +3 more 2003-06-24
6254461 Process of dressing glass disk polishing pads using diamond-coated dressing disks Frederick Benning, James A. Hagan, Kerry R. Lindemann, Donald L. Mabe 2001-07-03
6236542 Substrate independent superpolishing process and slurry Brent Ray Den Hartog, James A. Hagan, John C. S. Shen, Kannimangalam Venkatasubramanyam Viswanathan 2001-05-22
5643649 Method for improving the flatness of glass disk substrates James A. Hagan, Douglas Howard Piltingsrud, Steven F. Starcke, Bradley J. Offuh 1997-07-01
4613345 Fixed abrasive polishing media Ricky P. Thicke, Stanley B. O'Brien, David M. Nordyke, Thomas E. Folkert, Bruce R. Diemer 1986-09-23