DP

Derek P. A. Pearson

JL Johnson Matthey Public Limited: 4 patents #153 of 922Top 20%
JE Johnson Matthey Electronics: 1 patents #11 of 36Top 35%
Overall (All Time): #1,047,993 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6022630 Platinum and cobalt multilayer recording materials system and process for making same Joseph W. Miller, Philip G. Pitcher 2000-02-08
5851363 Multilayer film materials system Joseph W. Miller, Philip G. Pitcher 1998-12-22
5837386 Multilayer film materials system Joseph W. Miller, Philip G. Pitcher 1998-11-17
5702830 Magneto-optical recording materials system Joseph W. Miller, Philip G. Pitcher 1997-12-30
4662920 Cast component of nickel alloys containing large amounts of chromium Duncan Roy Coupland 1987-05-05