Inventor
HOKKELING PIETER
NL7 patents
Patents
7 patentsUS4594220AJun 10, 1986
Method of manufacturing a scandate dispenser cathode and dispenser cathode manufactured by means of the method
PHILIPS CORP28 citations90
US4157485AJun 5, 1979
Low-pressure mercury vapor discharge lamp with indium-bismuth-mercury amalgam
PHILIPS CORP33 citations90
US4856039AAug 8, 1989
X-ray tube having a rotary anode with rhenium-containing bearing surfaces for a gallium-alloy lubricant
PHILIPS CORP27 citations85
US5064397ANov 12, 1991
Method of manufacturing scandate cathode with scandium oxide film
PHILIPS CORP11 citations69
US4583243AApr 15, 1986
X-ray tube for generating soft X-rays
PHILIPS CORP11 citations69
US4236045ANov 25, 1980
Electric lamp
PHILIPS CORP4 citations53
US4208607AJun 17, 1980
Electric lamp with tin or lead alloy plug for lead-in
PHILIPS CORP1 citations42