James A. Niemann

Person

Chagrin Falls, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Test and measurement instrument having overpulsed power supply and...
- Patent number 11,385,261
- Issue date Jul 12, 2022
- KEITHLEY INSTRUMENTS, LLC
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
Non-linear active shunt ammeter
- Patent number 11,085,951
- Issue date Aug 10, 2021
- KEITHLEY INSTRUMENTS, LLC
- Wayne C. Goeke
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Source measure unit with guard drive circuit
- Patent number 10,763,808
- Issue date Sep 1, 2020
- KEITHLEY INSTRUMENTS, LLC
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
Current leakage and charge injection mitigating solid state switch
- Patent number 10,725,105
- Issue date Jul 28, 2020
- KEITHLEY INSTRUMENTS, LLC
- Matthew Holtz
- G01 - MEASURING TESTING
Information Patent Grant
Calibration for common mode current
- Patent number 10,514,434
- Issue date Dec 24, 2019
- KEITHLEY INSTRUMENTS, LLC
- Benjamin J. Yurick
- G01 - MEASURING TESTING
Information Patent Grant
Impedance source ranging apparatus and method
- Patent number 9,645,193
- Issue date May 9, 2017
- KEITHLEY INSTRUMENTS, LLC
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
SMU RF transistor stability arrangement
- Patent number 9,335,364
- Issue date May 10, 2016
- Keithley Instruments, Inc.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
Guarded printed circuit board islands
- Patent number 9,326,369
- Issue date Apr 26, 2016
- Keithley Instruments, Inc.
- James A. Niemann
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Impedance measuring instrument
- Patent number 8,896,331
- Issue date Nov 25, 2014
- Keithley Instruments, Inc.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
Low noise and common mode current power supply
- Patent number 7,868,692
- Issue date Jan 11, 2011
- Keithley Instruments, Inc.
- James A. Niemann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Instrument per pin test head
- Patent number 7,683,647
- Issue date Mar 23, 2010
- Keithley Instruments, Inc.
- Carl Scharrer
- G01 - MEASURING TESTING
Information Patent Grant
High speed solid state switch
- Patent number 7,498,854
- Issue date Mar 3, 2009
- Keithley Instruments, Inc.
- James A. Niemann
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Spatially distributed guarded impedance
- Patent number 7,414,414
- Issue date Aug 19, 2008
- Keithley Instruments, Inc.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
Battery emulating power supply
- Patent number 6,204,647
- Issue date Mar 20, 2001
- Keithley Instruments, Inc.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
Measurement device with common mode current cancellation
- Patent number 5,606,250
- Issue date Feb 25, 1997
- Keithley Instruments, Inc.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Grant
Guarded printed circuit board islands
- Patent number 5,490,325
- Issue date Feb 13, 1996
- Keithley Instruments
- James A. Niemann
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Measurement device with common mode current cancellation
- Patent number 5,414,348
- Issue date May 9, 1995
- James A. Niemann
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Test and Measurement Instrument Having Overpulsed Power Supply and...
- Publication number 20200132726
- Publication date Apr 30, 2020
- KEITHLEY INSTRUMENTS, LLC
- James A. Niemann
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SOURCE MEASURE UNIT WITH GUARD DRIVE CIRCUIT
- Publication number 20200106410
- Publication date Apr 2, 2020
- KEITHLEY INSTRUMENTS, LLC
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Application
NON-LINEAR ACTIVE SHUNT AMMETER
- Publication number 20190339305
- Publication date Nov 7, 2019
- KEITHLEY INSTRUMENTS, LLC
- Wayne C. Goeke
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Current Leakage And Charge Injection Mitigating Solid State Switch
- Publication number 20190101591
- Publication date Apr 4, 2019
- KEITHLEY INSTRUMENTS, LLC
- Matthew Holtz
- G01 - MEASURING TESTING
Information Patent Application
Calibration for Common Mode Current
- Publication number 20180224515
- Publication date Aug 9, 2018
- Tektronix, Inc.
- Benjamin J. Yurick
- G01 - MEASURING TESTING
Information Patent Application
GUARDED PRINTED CIRCUIT BOARD ISLANDS
- Publication number 20140376201
- Publication date Dec 25, 2014
- James A. Niemann
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SMU RF TRANSISTOR STABILITY ARRANGEMENT
- Publication number 20140218064
- Publication date Aug 7, 2014
- KEITHLEY INSTRUMENTS, INC.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Application
IMPEDANCE SOURCE RANGING APPARATUS AND METHOD
- Publication number 20140111186
- Publication date Apr 24, 2014
- KEITHLEY INSTRUMENTS, INC.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Application
IMPEDANCE MEASURING INSTRUMENT
- Publication number 20090195261
- Publication date Aug 6, 2009
- KEITHLEY INSTRUMENTS, INC.
- James A. Niemann
- G01 - MEASURING TESTING
Information Patent Application
Spatially distributed guarded impedance
- Publication number 20080018348
- Publication date Jan 24, 2008
- James A. Niemann
- G01 - MEASURING TESTING

James A. Niemann

Person

Patents Grantslast 30 patents

Test and measurement instrument having overpulsed power supply and...

Non-linear active shunt ammeter

Source measure unit with guard drive circuit

Current leakage and charge injection mitigating solid state switch

Calibration for common mode current

Impedance source ranging apparatus and method

SMU RF transistor stability arrangement

Guarded printed circuit board islands

Impedance measuring instrument

Low noise and common mode current power supply

Instrument per pin test head

High speed solid state switch

Spatially distributed guarded impedance

Battery emulating power supply

Measurement device with common mode current cancellation

Guarded printed circuit board islands

Measurement device with common mode current cancellation

Patents Applicationslast 30 patents

Test and Measurement Instrument Having Overpulsed Power Supply and...

SOURCE MEASURE UNIT WITH GUARD DRIVE CIRCUIT

NON-LINEAR ACTIVE SHUNT AMMETER

Current Leakage And Charge Injection Mitigating Solid State Switch

Calibration for Common Mode Current

GUARDED PRINTED CIRCUIT BOARD ISLANDS

SMU RF TRANSISTOR STABILITY ARRANGEMENT

IMPEDANCE SOURCE RANGING APPARATUS AND METHOD

IMPEDANCE MEASURING INSTRUMENT

Spatially distributed guarded impedance