Active compensation device for providing electromagnetic wave noise data
US-2024405545-A1 · Dec 5, 2024 · US
Suppression of common mode voltage or current
Suppression of common mode voltage or current · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M1/123 |
| Official title | {Suppression of common mode voltage or current} |
| Display label | Suppression of common mode voltage or current |
| Total patents | 1,115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 55 |
| 2016 | 58 |
| 2017 | 55 |
| 2018 | 70 |
| 2019 | 81 |
| 2020 | 109 |
| 2021 | 88 |
| 2022 | 109 |
| 2023 | 106 |
| 2024 | 170 |
| 2025 | 180 |
| 2026 | 34 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Parallel inverter systems and methods
US-2024014751-A1 · Jan 11, 2024 · US
Voltage conversion device and method for adjusting common mode noise impedance
US-9425686-B2 · Aug 23, 2016 · US
Mitigation of common mode disturbances in an h-bridge driver
US-2016204771-A1 · Jul 14, 2016 · US
Method for reducing the common mode current
US-9231464-B2 · Jan 5, 2016 · US
Device and method for filtering electromagnetic interference
US-2015381136-A1 · Dec 31, 2015 · US
Light weight filter with dc common mode inductor for electric aircraft motor controller
US-2015349694-A1 · Dec 3, 2015 · US
Transmitter digital-to-analog converter (dac)- baseband filter (bbf) common mode interface
US-2015349733-A1 · Dec 3, 2015 · US
Output filter for paralleled inverter
US-2015349626-A1 · Dec 3, 2015 · US
Power supply systems with filters
US-9203296-B2 · Dec 1, 2015 · US
Three-phase interleave converter with three-state switching cell
US-9203298-B2 · Dec 1, 2015 · US
Power conversion circuit with leakage current compensation except near the AC voltage zero crossing
US-9190926-B2 · Nov 17, 2015 · US
Power-Packet-Switching Converter With Sequenced Connection To Link Inductor
US-2015318704-A1 · Nov 5, 2015 · US
Hybrid planar common-mode choke
US-2015318103-A1 · Nov 5, 2015 · US
Common mode filter system and method for a solar power inverter
US-9172296-B2 · Oct 27, 2015 · US
Switching arrangement for inverter, and inverter
US-9172311-B2 · Oct 27, 2015 · US
EMI filtering for active rectifier power systems
US-9166472-B2 · Oct 20, 2015 · US
Line filter and electric power supply device comprising same
US-2015288340-A1 · Oct 8, 2015 · US
Leakage Reduction Circuit
US-2015280587-A1 · Oct 1, 2015 · US
Power conversion apparatus and air-conditioning apparatus using the same
US-2015280603-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M1/123?
- CPC H02M1/123 is the Cooperative Patent Classification code for “Suppression of common mode voltage or current.”
- How many patents are filed under CPC H02M1/123 (Suppression of common mode voltage or current)?
- Our database includes 1,115 publications tagged with this CPC code.
- Is patent activity under CPC H02M1/123 growing?
- Publication counts under this code: 170 in 2024 vs 180 in 2025 (latest complete years).