HZ

Hendrik Jan Zwerver

Philips: 2 patents #2,426 of 7,731Top 35%
Koniniklijke Philips N.V.: 1 patents #4,025 of 7,486Top 55%
Overall (All Time): #1,527,959 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8664894 Method and device for driving a fluorescent lamp 2014-03-04
7791905 Electrical DC-DC power converter with magnetically coupled switch control circuit Bart Jozef Maria Smet 2010-09-07
6420836 Switching arrangement 2002-07-16