PW

Philip John Watkiss

AN Agfa-Gevaert Nv: 8 patents #210 of 1,819Top 15%
VP Vickers Plc: 2 patents #6 of 44Top 15%
DL Dupont (Uk) Limited: 1 patents #10 of 24Top 45%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
Overall (All Time): #352,865 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
8361701 Method for making lithographic plates Oliver Piestert, Harald Baumann, Ulrich Fiebag, Bernd Strehmel, Uwe Tondock 2013-01-29
6983694 Negative-working thermal lithographic printing plate precursor comprising a smooth aluminum support Joan Vermeersch, Dirk Kokkelenberg, Klaus Joerg 2006-01-10
6629375 Apparatus for collecting ablated material Malcolm James Mallsion, Susan Wilkinson 2003-10-07
6497990 Heat sensitive printing plate precursors Simon Blanchard, John Michael Kitteridge, Roland Robinson 2002-12-24
6403282 Heat sensitive printing plate precursors Felton Rudolph Mayers, Frederick C. Zumsteg, Jr. 2002-06-11
6277540 Heat sensitive plate precursors 2001-08-21
6268110 Heat sensitive plate precursor Allen P. Gates, Fredrick Claus Zumsteg, Jr. 2001-07-31
6187507 Presensitized printing plates Allen P. Gates, Jonathan Goodin, John Michael Kitteridge, Malcolm James Mallison, Roland Robinson 2001-02-13
6183936 Method of preparing a lithographic printing plate 2001-02-06
5650258 Image formation Stephen Bernard Doyle, Allen P. Gates, John Michael Kitteridge 1997-07-22
5609987 Improvements in or relating to printing plates John Michael Kitteridge, Andrew E. Matthews 1997-03-11
5118344 Recovery of silver 1992-06-02
4859290 Printing plate precursors 1989-08-22
4567131 Lithographic printing plates 1986-01-28