DH

Derek B. Harris

IBM: 4 patents #21,733 of 70,183Top 35%
Overall (All Time): #1,288,026 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5614076 Tool and method for electroetching Denis J. Brophy, Madhav Datta, Frank S. Ryan, Frank A. Spera 1997-03-25
5531874 Electroetching tool using localized application of channelized flow of electrolyte Denis J. Brophy, Madhav Datta, Frank S. Ryan, Frank A. Spera 1996-07-02
5518131 Etching molydbenum with ferric sulfate and ferric ammonium sulfate Hsing H. Chen, Lawrence D. David 1996-05-21
5476575 Fabrication of moly masks by electroetching Denis J. Brophy, Madhav Datta, Matthew T. Kurdziel, Frank S. Ryan 1995-12-19