Issued Patents All Time
Showing 25 most recent of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306209 | High current extension for a dual-stage source measure unit | Martin J. Rice | 2025-05-20 |
| 12265115 | Digital loop dual-stage source measure unit | — | 2025-04-01 |
| 11959937 | Triaxial power and control systems and methods | Matthew Alan Holtz, Martin J. Rice | 2024-04-16 |
| 11853089 | Expanded shunt current source | — | 2023-12-26 |
| 11668733 | Multi-stage current measurement architecture | Mark D. Zimmerman, Martin J. Rice | 2023-06-06 |
| 11088609 | Low noise power supply MOSFET gate drive scheme | — | 2021-08-10 |
| 11085951 | Non-linear active shunt ammeter | James A. Niemann | 2021-08-10 |
| 10802520 | High performance current source power supply | Kevin Cawley, Gregory Sobolewski | 2020-10-13 |
| 10763808 | Source measure unit with guard drive circuit | James A. Niemann | 2020-09-01 |
| 10663490 | Nested ammeter | — | 2020-05-26 |
| 9983228 | Triaxial DC-AC connection system | Gregory Sobolewski | 2018-05-29 |
| 9847724 | Power supply having reduced transformer commutation noise | — | 2017-12-19 |
| 9742379 | Voltage clamp | — | 2017-08-22 |
| 9541584 | Digital voltmeter topology | — | 2017-01-10 |
| 9478351 | Isolation transformer for use in isolated DC-to-DC switching power supply | John C. Gibbons | 2016-10-25 |
| 9453880 | Active shunt source-measure unit (SMU) circuit | — | 2016-09-27 |
| 9326369 | Guarded printed circuit board islands | James A. Niemann, Gregory Sobolewski, Martin J. Rice | 2016-04-26 |
| 9274145 | Active shunt ammeter apparatus and method | — | 2016-03-01 |
| 9197236 | Digitizer auto aperture with trigger spacing | Brian P. Frackelton, Benjamin J. Yurick | 2015-11-24 |
| 9077301 | Nanovolt amplifier design | — | 2015-07-07 |
| 8810256 | Impedance meter calibration | — | 2014-08-19 |
| 8717053 | DC-AC probe card topology | William Knauer | 2014-05-06 |
| 8593233 | Coaxial cable multiplexor | — | 2013-11-26 |
| 8410804 | Measurement system with high frequency ground switch | — | 2013-04-02 |
| 8059639 | Switch matrix | — | 2011-11-15 |