Inventor · disambiguated record
James A. Niemann
Also filed as: NIEMANN JAMES · NIEMANN JAMES A
17 granted patents·77 citations·filing 1993–2019
91Inventor score
Top patents by PatentIndex Score
17 records- 0185US9645193B2Impedance source ranging apparatus and methodKEITHLEY INSTRUMENTS·Filed 2012·Granted May 9, 2017·6 cites·6 claims
- 0277US11085951B2Non-linear active shunt ammeterKEITHLEY INSTRUMENTS·Filed 2019·Granted Aug 10, 2021·1 cites·19 claims
- 0372US9326369B2Guarded printed circuit board islandsKEITHLEY INSTRUMENTS·Filed 2013·Granted Apr 26, 2016·2 cites·17 claims
- 0468US7683647B1Instrument per pin test headKEITHLEY INSTRUMENTS·Filed 2008·Granted Mar 23, 2010·6 cites·8 claims
- 0562US10763808B2Source measure unit with guard drive circuitKEITHLEY INSTRUMENTS·Filed 2018·Granted Sep 1, 2020·0 cites·20 claims
- 0662US5414348AMeasurement device with common mode current cancellationFiled 1993·Granted May 9, 1995·20 cites·2 claims
- 0755US11385261B2Test and measurement instrument having overpulsed power supply and controlled slew rateKEITHLEY INSTRUMENTS·Filed 2019·Granted Jul 12, 2022·0 cites·20 claims
- 0854US6204647B1Battery emulating power supplyKEITHLEY INSTRUMENTS·Filed 1999·Granted Mar 20, 2001·19 cites·6 claims
- 0950US5490325AGuarded printed circuit board islandsKEITHLEY INSTRUMENTS·Filed 1994·Granted Feb 13, 1996·14 cites·3 claims
- 1048US7498854B1High speed solid state switchKEITHLEY INSTRUMENTS·Filed 2007·Granted Mar 3, 2009·1 cites·3 claims
- 1145US7868692B1Low noise and common mode current power supplyKEITHLEY INSTRUMENTS·Filed 2008·Granted Jan 11, 2011·1 cites·9 claims
- 1242US9335364B2SMU RF transistor stability arrangementKEITHLEY INSTRUMENTS·Filed 2013·Granted May 10, 2016·0 cites·15 claims
- 1339US10514434B2Calibration for common mode currentKEITHLEY INSTRUMENTS·Filed 2017·Granted Dec 24, 2019·0 cites·11 claims
- 1439US7414414B2Spatially distributed guarded impedanceKEITHLEY INSTRUMENTS·Filed 2006·Granted Aug 19, 2008·0 cites·16 claims
- 1539US5606250AMeasurement device with common mode current cancellationKEITHLEY INSTRUMENTS·Filed 1995·Granted Feb 25, 1997·7 cites·5 claims
- 1637US10725105B2Current leakage and charge injection mitigating solid state switchKEITHLEY INSTRUMENTS·Filed 2017·Granted Jul 28, 2020·0 cites·20 claims
- 1734US8896331B2Impedance measuring instrumentNIEMANN JAMES A·Filed 2008·Granted Nov 25, 2014·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →