Inventor
KEIJSER ROBERTUS A J
NL7 patents
Patents
7 patentsUS5923127AJul 13, 1999
High-pressure discharge lamp with miniature discharge vessel and integrated circuitry
PHILIPS CORP29 citations88
US5097176AMar 17, 1992
High-pressure sodium discharge lamp having a color temperature of at least 2800° K.
PHILIPS CORP12 citations69
US5153482AOct 6, 1992
High-pressure sodium discharge lamp
PHILIPS CORP15 citations68
US5103141AApr 7, 1992
Switching arrangement for increasing the white life of a high pressure sodium lamp
PHILIPS CORP7 citations65
US4213100AJul 15, 1980
Gas discharge laser
PHILIPS CORP2 citations56
US5461285AOct 24, 1995
Switching arrangement
PHILIPS CORP5 citations55
US4152673AMay 1, 1979
Gas discharge laser
PHILIPS CORP1 citations47