IU

Igolt Pieter Douwes Ubbens

Philips: 2 patents #2,426 of 7,731Top 35%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #1,567,742 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7688339 System for scribing a visible label Jeroen Arnoldus Leonardus Johannes Raaymakers, George Alois Leonie Leenknegt, Jan Verbiest 2010-03-30
7187640 Method for recording on multi-layer phase-change optical discs Jacobus Petrus Josephus Heemskerk 2007-03-06
5708638 Device for optically scanning a recording medium by focusing the best focus or the paraxial focus to the information layer Josephus J. M. Braat, James Coombs, Jacob Sonneveld, Jacobus P. C. Kroon, Petrus Theodorus Jutte 1998-01-13