Inventor · disambiguated record
Siegfried Kern
Also filed as: KERN SIEGFRIED
4 granted patents·1 pending application·101 citations·filing 1986–2012
79Inventor score
Top patents by PatentIndex Score
5 records- 0184US8159092B2Power supply unit having a voltage converterLUTHI DANIEL·Filed 2009·Granted Apr 17, 2012·22 cites·30 claims
- 0281US8446051B2Power supply unit having a voltage converterLUTHI DANIEL·Filed 2012·Granted May 21, 2013·10 cites·20 claims
- 0372US5406470AAC/DC converterFRAKO KONDENSATOR APPARATE·Filed 1993·Granted Apr 11, 1995·52 cites·15 claims
- 0451US4814696AMethod and circuit arrangement for measuring in-phase and quadrature components of current in an electrical alternating current power supplyFRAKO KONDENSATOR APPARATE·Filed 1986·Granted Mar 21, 1989·17 cites·7 claims
- 0546US2008047831A1Segmented/modular magnet bars for sputtering targetRICHERT HENDRYK·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →