Methods and apparatus for processing a substrate
US-12476081-B2 · Nov 18, 2025 · US
in circuits having distributed constants
in circuits having distributed constants · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R25/02 |
| Official title | in circuits having distributed constants |
| Display label | in circuits having distributed constants |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phasor measurement units, synchrophasor systems and methods thereof
US-12399520-B2 · Aug 26, 2025 · US
Electronic circuitry, system, base station, mobile device and method
US-12368519-B2 · Jul 22, 2025 · US
Phase detection
US-2025208179-A1 · Jun 26, 2025 · US
Measuring the phase of a complex impedance through thresholding
US-2025189567-A1 · Jun 12, 2025 · US
Method for measuring the phase of a complex impedance
US-2025189566-A1 · Jun 12, 2025 · US
Active directional structure for a test and/or measurement system
US-2025180630-A1 · Jun 5, 2025 · US
Method and device for detecting the phase of a signal via a hybrid coupler, using a reference phase
US-12270842-B2 · Apr 8, 2025 · US
Fault detection in a power transmission system
US-12130321-B2 · Oct 29, 2024 · US
Electronic device and phase detector
US-12105126-B2 · Oct 1, 2024 · US
Electronic device and phase detector
US-12038462-B2 · Jul 16, 2024 · US
Method and system for determining a phase shift between a phase current and a phase voltage
US-11971436-B2 · Apr 30, 2024 · US
Electronic circuitry, system, base station, mobile device and method
US-2024121015-A1 · Apr 11, 2024 · US
Electronic device and phase detector
US-2024044956-A1 · Feb 8, 2024 · US
Electronic device and phase detector
US-2024044957-A1 · Feb 8, 2024 · US
Measurement apparatus
US-11804911-B2 · Oct 31, 2023 · US
Fault detection in a power transmission system
US-2023142049-A1 · May 11, 2023 · US
Phasor measurement units, synchrophasor systems and methods thereof
US-2023042887-A1 · Feb 9, 2023 · US
Measurement apparatus
US-2022360345-A1 · Nov 10, 2022 · US
Measurement apparatus
US-11424840-B2 · Aug 23, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R25/02?
- CPC G01R25/02 is the Cooperative Patent Classification code for “in circuits having distributed constants.”
- How many patents are filed under CPC G01R25/02 (in circuits having distributed constants)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC G01R25/02 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).