Inventor · disambiguated record
Stefan Umbricht
Also filed as: UMBRICHT STEFAN
3 granted patents·29 citations·filing 1986–1999
69Inventor score
Top patents by PatentIndex Score
3 records- 0140US6134128AMethod for protecting a high-performance power converter and a protection arrangement for executing the methodDAIMLER CHRYSLER AG·Filed 1999·Granted Oct 17, 2000·14 cites·5 claims
- 0239US4785208ALow-inductance anode-cathode R-C circuit for a gate-turn-off power thyristorBBC BROWN BOVERI & CIE·Filed 1987·Granted Nov 15, 1988·8 cites·7 claims
- 0334US4703411AVoltage converter with GTO thyristors in series connection with at least a choke with freewheeling circuitBBC BROWN BOVERI & CIE·Filed 1986·Granted Oct 27, 1987·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →