JV

Johnny W. Van Der Velden

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
📍 Heerlen, NL: #24 of 168 inventorsTop 15%
Overall (All Time): #1,656,054 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5367155 X-ray image intensifier tube with improved entrance section Johannes K. E. Colditz, Henricus F. C. Diebels, Tiemen Poorter, August L. H. Simons 1994-11-22
5008591 X-ray image intensifier tube comprising a selective filter Theodorus F. van Bergen, August L. H. Simons, Johannes K. E. Colditz, Martinus A. C. Ligtenberg, Franciscus M. Dreesen 1991-04-16
4725724 Radiographic image intensifier 1988-02-16