RP

Roger J. Q. Van den Plas

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Philips: 1 patents #3,761 of 7,731Top 50%
Overall (All Time): #1,025,102 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7736025 Illumination system comprising mechanical dimming device Bernd Hofmann 2010-06-15
4560903 High pressure discharge lamp Andreas P. E. Sneijers, Jacobus Marinus Maria Claassens 1985-12-24
4328445 High-pressure discharge lamp Josephus M. Ruts, Antonius J. G. C. Driessen 1982-05-04
4236045 Electric lamp Pieter Hokkeling 1980-11-25
4208607 Electric lamp with tin or lead alloy plug for lead-in Pieter Hokkeling 1980-06-17