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USPTO Patent Rankings Data through Sept 30, 2025
RF

Ralf Sch/a/ fer — 1 Patent

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Aachen, DE: #1,459 of 2,680 inventorsTop 55%
Overall (All Time): #4,040,912 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4471269 Circuit arrangement for operating a high-pressure gas discharge lamp Hans G. Ganser, Hans Peter Stormberg 1984-09-11