JR

Johannes Roosen

Philips: 1 patents #3,761 of 7,731Top 50%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #2,153,826 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7169454 Multi-stack optical data storage medium and use of such medium Mark Van Schijndel, Guofu Zhou, Johannes Rijpers, Antonius Emilius Theodorus Kuiper 2007-01-30
5068568 Cathode ray tube having multilayer interference filter Henricus M. De Vrieze, Leendert Vriens 1991-11-26