Inventor · disambiguated record
Erhard Lehmann
Also filed as: LEHMANN ERHARD
4 granted patents·23 citations·filing 1977–2005
73Inventor score
Top patents by PatentIndex Score
4 records- 0161US8074085B2Method for controlling the power supply from a power source to a power consumerLEHMANN ERHARD·Filed 2005·Granted Dec 6, 2011·4 cites·30 claims
- 0239US4158850AThyristor having improved cooling and improved high frequency operation with adjacent control terminalsSIEMENS AG·Filed 1977·Granted Jun 19, 1979·8 cites·10 claims
- 0335US4825272ASemiconductor power switch with thyristorSIEMENS AG·Filed 1987·Granted Apr 25, 1989·9 cites·14 claims
- 0430US4255675ACircuit arrangement for reducing the recovery time of a thyristorSIEMENS AG·Filed 1978·Granted Mar 10, 1981·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →