Inventor
STORMBERG HANS P
DE9 patents
⚠️ This page may combine multiple inventors who share the name “STORMBERG HANS P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
8 patentsUS4471269ASep 11, 1984
Circuit arrangement for operating a high-pressure gas discharge lamp
PHILIPS CORP43 citations92
US4594531AJun 10, 1986
Circuit arrangement for operating high-pressure gas discharge lamps
PHILIPS CORP22 citations81
US4705991ANov 10, 1987
Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method
PHILIPS CORP14 citations73
US4539513ASep 3, 1985
Circuit arrangement for starting and operating a high-pressure gas discharge lamp
PHILIPS CORP11 citations73
US5025197AJun 18, 1991
Circuit arrangement for A.C. operation of high-pressure gas discharge lamps
PHILIPS CORP4 citations62
US4891563AJan 2, 1990
Circuit arrangement for adjusting the operating voltage of high-pressure gas discharge lamps
PHILIPS CORP6 citations62
US4839560AJun 13, 1989
Heatable electrode for high-pressure gas discharge lamps
PHILIPS CORP2 citations62
US4816721AMar 28, 1989
Circuit arrangement for operating a high-pressure gas discharge lamp
PHILIPS CORP5 citations62