JN

James A. Niemann

KI Keithley Instruments: 16 patents #3 of 82Top 4%
Overall (All Time): #271,808 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11385261 Test and measurement instrument having overpulsed power supply and controlled slew rate 2022-07-12
11085951 Non-linear active shunt ammeter Wayne C. Goeke 2021-08-10
10763808 Source measure unit with guard drive circuit Wayne C. Goeke 2020-09-01
10725105 Current leakage and charge injection mitigating solid state switch Matthew Alan Holtz, Martin J. Rice 2020-07-28
10514434 Calibration for common mode current Benjamin J. Yurick 2019-12-24
9645193 Impedance source ranging apparatus and method 2017-05-09
9335364 SMU RF transistor stability arrangement 2016-05-10
9326369 Guarded printed circuit board islands Gregory Sobolewski, Martin J. Rice, Wayne C. Goeke 2016-04-26
8896331 Impedance measuring instrument 2014-11-25
7868692 Low noise and common mode current power supply 2011-01-11
7683647 Instrument per pin test head Carl J. Scharrer, Dave Rose, Martin J. Rice, William F. Merkel, Warren Kumley +2 more 2010-03-23
7498854 High speed solid state switch Dan Baker 2009-03-03
7414414 Spatially distributed guarded impedance John C. Gibbons, Kevin Cawley, Wayne C. Goeke 2008-08-19
6204647 Battery emulating power supply Wayne C. Goeke, Kevin Cawley 2001-03-20
5606250 Measurement device with common mode current cancellation 1997-02-25
5490325 Guarded printed circuit board islands George C. Topala 1996-02-13
5414348 Measurement device with common mode current cancellation 1995-05-09