Cleveland, Ohio
United States
65
2018-03-01
65
2020-06-09
These are the the leading inventors for applications assigned to KEITHLEY INSTRUMENTS, INC.:
KEITHLEY INSTRUMENTS, INC. based in Cleveland, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Low frequency impedance measurement with source measure units
#2 | 2015-09-24 ✅ Patent 9,553,559 granted on 2017-01-24Configurable bias tee
#3 | 2015-08-06 ✅ Patent 9,559,680 granted on 2017-01-31Isolated high speed switch
#4 | 2015-07-30 ✅ Patent 9,453,880 granted on 2016-09-27Active shunt source-measure unit (SMU) circuit
#5 | 2015-06-18 ✅ Patent 9,680,300 granted on 2017-06-13Hot switch protection circuit
#6 | 2014-12-25 ✅ Patent 9,326,369 granted on 2016-04-26Guarded printed circuit board islands
#7 | 2014-12-04 ✅ Patent 9,077,301 granted on 2015-07-07Nanovolt amplifier design
#8 | 2014-12-02 ✅ Patent 8,903,687 granted on 2014-12-02Dielectric absorption compensation for a measurement instrument
#9 | 2014-11-27 ✅ Patent 9,478,351 granted on 2016-10-25Isolation transformer for use in isolated DC-to-DC switching power supply
#10 | 2014-10-16 ✅ Patent 10,802,520 granted on 2020-10-13High performance current source power supply
#11 | 2014-09-25 ✅ Patent 9,541,584 granted on 2017-01-10Digital voltmeter topology
#12 | 2014-08-19 ✅ Patent 8,810,256 granted on 2014-08-19Impedance meter calibration
#13 | 2014-08-07 ✅ Patent 9,335,364 granted on 2016-05-10SMU RF transistor stability arrangement
#14 | 2014-05-29 ✅ Patent 9,829,520 granted on 2017-11-28Low frequency impedance measurement with source measure units
#15 | 2014-01-16 ✅ Patent 8,729,964 granted on 2014-05-20Power envelope controller and method
#16 | 2013-11-26 ✅ Patent 8,593,233 granted on 2013-11-26Coaxial cable multiplexor
#17 | 2013-10-10 ✅ Patent 8,717,098 granted on 2014-05-06High gain, high voltage power amplifier
#18 | 2013-10-01 ✅ Patent 8,547,120 granted on 2013-10-01High speed AC current source
#19 | 2013-08-13 ✅ Patent 8,507,802 granted on 2013-08-13Ultra-low current printed circuit board
#20 | 2013-05-28 ✅ Patent 8,452,567 granted on 2013-05-28Test recipe distribution method and system
#21 | 2013-05-09 ✅ Patent 8,717,053 granted on 2014-05-06DC-AC probe card topology
#22 | 2013-04-02 ✅ Patent 8,410,804 granted on 2013-04-02Measurement system with high frequency ground switch
#23 | 2012-01-17 ✅ Patent 8,099,739 granted on 2012-01-17Java applet management method
#24 | 2011-11-08 ✅ Patent 8,055,468 granted on 2011-11-08Output leakage compensation and method for implementing the same
#25 | 2011-05-24 ✅ Patent 7,948,248 granted on 2011-05-24Cable length correction
#26 | 2011-04-05 ✅ Patent 7,920,038 granted on 2011-04-05Dual shielded relay
#27 | 2011-03-15 ✅ Patent 7,906,977 granted on 2011-03-15Dual output stage source measure circuit
#28 | 2011-01-18 ✅ Patent 7,872,481 granted on 2011-01-18Low glitch multiple form C summing node switcher
#29 | 2011-01-11 ✅ Patent 7,868,692 granted on 2011-01-11Low noise and common mode current power supply
#30 | 2010-12-21 ✅ Patent 7,855,544 granted on 2010-12-21AC low current probe card
#31 | 2010-12-14 ✅ Patent 7,853,425 granted on 2010-12-14Parallel testing in a per-pin hardware architecture platform
#32 | 2010-11-16 ✅ Patent 7,834,641 granted on 2010-11-16Phase-gain calibration of impedance/admittance meter
#33 | 2010-09-21 ✅ Patent 7,800,380 granted on 2010-09-21High capacitance load testing
#34 | 2010-03-23 ✅ Patent 7,683,647 granted on 2010-03-23Instrument per pin test head
#35 | 2010-03-23 ✅ Patent 7,683,650 granted on 2010-03-23Measurement instrument with synchronized interference signals
#36 | 2010-03-16 ✅ Patent 7,680,619 granted on 2010-03-16Parallel test architecture
#37 | 2009-12-15 ✅ Patent 7,633,308 granted on 2009-12-15Combined pulse and DC test system
#38 | 2009-11-10 ✅ Patent 7,616,088 granted on 2009-11-10Low leakage inductance transformer
#39 | 2009-11-10 ✅ Patent 7,616,008 granted on 2009-11-10Digital auto balance bridge
#40 | 2009-11-10 ✅ Patent 7,614,274 granted on 2009-11-10Method for calibration adjustment verification
#41 | 2009-11-10 ✅ Patent 7,616,014 granted on 2009-11-10Pulsed I-V measurement method and apparatus
#42 | 2009-11-05 ✅ Patent 7,923,985 granted on 2011-04-12Active autoranging current sensing circuit
#43 | 2009-08-13 ✅ Patent 8,059,639 granted on 2011-11-15Switch matrix
#44 | 2009-08-06 ✅ Patent 8,896,331 granted on 2014-11-25Impedance measuring instrument
#45 | 2009-08-04 ✅ Patent 7,568,946 granted on 2009-08-04Triaxial cable with a resistive inner shield
#46 | 2009-03-24 ✅ Patent 7,508,240 granted on 2009-03-24Power mains zero-crossing detector
#47 | 2009-03-03 ✅ Patent 7,498,854 granted on 2009-03-03High speed solid state switch
#48 | 2009-02-19 ✅ Patent 7,680,621 granted on 2010-03-16Test instrument network
#49 | 2009-01-27 ✅ Patent 7,482,961 granted on 2009-01-27Digital feedthrough cancellation
#50 | 2008-12-11 ✅ Patent 7,586,314 granted on 2009-09-08Multi-pin CV measurement
#51 | 2008-10-23 ✅ Patent 7,545,155 granted on 2009-06-09Parallel AC measurement method
#52 | 2008-08-14 ✅ Patent 7,518,378 granted on 2009-04-14Cable compensation for pulsed I-V measurements
#53 | 2008-03-06 ✅ Patent 7,724,017 granted on 2010-05-25Multi-channel pulse tester
#54 | 2008-01-24 ✅ Patent 7,414,414 granted on 2008-08-19Spatially distributed guarded impedance
#55 | 2007-11-22 ✅ Patent 7,425,837 granted on 2008-09-16Spatial transformer for RF and low current interconnect
#56 | 2007-10-09 ✅ Patent 7,280,929 granted on 2007-10-09Method and apparatus for pulse I-V semiconductor measurements
#57 | 2007-08-09 ✅ Patent 7,388,366 granted on 2008-06-17Test system connection system with triaxial cables
#58 | 2007-07-03 ✅ Patent 7,240,258 granted on 2007-07-03Parallel test system and method
#59 | 2007-05-29 ✅ Patent 7,224,160 granted on 2007-05-29RF and pulse bias tee
#60 | 2007-04-17 ✅ Patent 7,205,773 granted on 2007-04-17Method for calibrating a pulsed measurement system
#61 | 2007-01-11 ✅ Patent 7,342,401 granted on 2008-03-11Measurement bias tee
#62 | 2006-08-31 ✅ Patent 7,202,676 granted on 2007-04-10Source measure circuit
#63 | 2006-08-31 ✅ Patent 7,276,893 granted on 2007-10-02Automatic ranging current shunt
#64 | 2006-03-07 ✅ Patent 7,009,486 granted on 2006-03-07Low noise power transformer
#65 | 2005-05-31 ✅ Patent 6,900,649 granted on 2005-05-31High frequency RF interconnect for semiconductor automatic test equipment
Also check out Keithley Instruments, Inc.'s (Cleveland, United States) applicant profile with 17 patent applications submitted.
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