Power management chips and power management devices including the same
US-9525410-B2 · Dec 20, 2016 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M3/337 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 411 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 46 |
| 2017 | 39 |
| 2018 | 48 |
| 2019 | 65 |
| 2020 | 57 |
| 2021 | 44 |
| 2022 | 42 |
| 2023 | 17 |
| 2024 | 14 |
| 2025 | 6 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Illumination device control systems and methods
US-9520783-B2 · Dec 13, 2016 · US
Battery charger with power factor correction
US-9515504-B2 · Dec 6, 2016 · US
Primary-Side Start-Up Method And Circuit Arrangement For A Series-Parallel Resonant Power Converter
US-2016352231-A1 · Dec 1, 2016 · US
Multi-output power supply apparatus and output circuit thereof
US-9496796-B2 · Nov 15, 2016 · US
Contactless power supply device
US-9490726-B2 · Nov 8, 2016 · US
Power conversion device including noise suppression capacitor
US-9484829-B2 · Nov 1, 2016 · US
Start-up regulator for high-input-voltage power converters
US-9484801-B2 · Nov 1, 2016 · US
System and method for providing adaptive dead times for a half bridge circuit
US-9473025-B2 · Oct 18, 2016 · US
Switching power supply device and projection video display device
US-9468071-B2 · Oct 11, 2016 · US
DC-DC converter
US-9456530-B2 · Sep 27, 2016 · US
Embedded magnetic component transformer
US-2016254088-A1 · Sep 1, 2016 · US
Control method for series resonant converter
US-9425676-B2 · Aug 23, 2016 · US
Power supply apparatus and image forming apparatus
US-2016238983-A1 · Aug 18, 2016 · US
Ground power unit for aircraft
US-9413264-B2 · Aug 9, 2016 · US
High efficiency zero-voltage switching (ZVS) assistance circuit for power converter
US-9407150-B2 · Aug 2, 2016 · US
Power supply with switching converter
US-9401653-B2 · Jul 26, 2016 · US
Forced discharge circuit of battery charger for electric vehicle, battery charger for electric vehicle, and electric vehicle having function of the battery charge
US-9397496-B2 · Jul 19, 2016 · US
System and method for a switched-mode power converter
US-9391532-B2 · Jul 12, 2016 · US
Illumination device control systems and methods
US-2016190927-A1 · Jun 30, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M3/337?
- CPC H02M3/337 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H02M3/337 (Electricity)?
- Our database includes 411 publications tagged with this CPC code.
- Is patent activity under CPC H02M3/337 growing?
- Publication counts under this code: 14 in 2024 vs 6 in 2025 (latest complete years).