WH

Willem J. Van Den Hoek

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Philips: 1 patents #3,761 of 7,731Top 50%
PA Philips Electronics North America: 1 patents #328 of 725Top 50%
Overall (All Time): #1,035,990 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7119490 Starter for minimizing damage to lamp electrodes of a discharge lamp at startup Marco Haverlag 2006-10-10
6111359 Integrated HID reflector lamp with HID arc tube in a pressed glass reflector retained in a shell housing a ballast Dale E. Work, Mark W. Fellows, Gregory J. Nelson, Kent Collins, Robertus A. J. Keyser +6 more 2000-08-29
5923127 High-pressure discharge lamp with miniature discharge vessel and integrated circuitry Robertus A. J. Keijser, Oscar Deurloo, Aswin J. G. Linden, Arthur Kimmels 1999-07-13
5811933 High-pressure discharge lamp Hubertus C. M. Van Den Nieuwenhuizen, Martinus J.M. Kessels, Gerardus M. J. F. Luijks, Hendrik Mattheus Bleeker 1998-09-22
5808398 Metal halide lamp having specific volume pressure ratio Jan A. J. Stoffels 1998-09-15