Inventor
LIGTHART FRANCISCUS A S
NL10 patents
Patents
10 patentsUS5825125AOct 20, 1998
Neon discharge lamp
PHILIPS CORP35 citations89
US5239238AAug 24, 1993
Electrodeless low-pressure mercury vapour discharge lamp
PHILIPS CORP35 citations89
US5233268AAug 3, 1993
Low-pressure mercury vapor discharge lamp
PHILIPS CORP9 citations71
US5907216AMay 25, 1999
Low-pressure mercury vapour discharge lamp
PHILIPS CORP14 citations68
US5719465AFeb 17, 1998
Low pressure mercury vapor discharge lamp
PHILIPS CORP16 citations67
US4335330AJun 15, 1982
Low-pressure mercury vapor discharge lamp
PHILIPS CORP16 citations66
US5982089ANov 9, 1999
Low-pressure mercury discharge meander lamp dimensioned for even illumination and favorable power consumption
PHILIPS CORP5 citations61
US4546285AOct 8, 1985
Low-pressure mercury vapor discharge lamp
PHILIPS CORP5 citations59
US6060831AMay 9, 2000
Discharge lamp with specific fill and luminescent layers
PHILIPS CORP1 citations49
US4277720AJul 7, 1981
Low-pressure mercury vapor discharge lamp
PHILIPS CORP1 citations48