Multi-mode wireless power receiver control
US-2018342897-A1 · Nov 29, 2018 · US
with intermediate conversion into AC
with intermediate conversion into AC · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M3/22 |
| Official title | with intermediate conversion into AC |
| Display label | with intermediate conversion into AC |
| Total patents | 157 |
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 | 22 |
| 2017 | 8 |
| 2018 | 21 |
| 2019 | 17 |
| 2020 | 8 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 12 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power supply apparatus with extending hold up time function
US-9866106-B2 · Jan 9, 2018 · US
Dc-dc converter input voltage high-energy transient clamping topology
US-2017353104-A1 · Dec 7, 2017 · US
A power supply unit for a self-powered intelligent electronic device
US-2017324271-A1 · Nov 9, 2017 · US
Wireless power-feeding apparatus
US-2017207706-A1 · Jul 20, 2017 · US
Control circuits and methods for regulating output voltages based on adjustable references voltages
US-9698694-B2 · Jul 4, 2017 · US
Dimmer compatibility with reactive loads
US-9660547-B1 · May 23, 2017 · US
Electronic apparatus for generating a pulse width modulation and power controlling method thereof
US-9559599-B2 · Jan 31, 2017 · US
Coupling device for a multi-phase converter
US-9552919-B2 · Jan 24, 2017 · US
Power supply device
US-9543843-B2 · Jan 10, 2017 · US
Apparatus and Efficiency Point Tracking Method for High Efficiency Resonant Converters
US-2016380547-A1 · Dec 29, 2016 · US
Power supply apparatus with extending hold up time function
US-2016359359-A1 · Dec 8, 2016 · US
Multiple-output DC/DC converter and power supply having the same
US-9490708-B2 · Nov 8, 2016 · US
Power supplying apparatus and method for supplying power to the varying load
US-9467056-B2 · Oct 11, 2016 · US
DC/DC converter
US-9461538-B2 · Oct 4, 2016 · US
Switch mode power supply module and associated hiccup control method
US-9444345-B2 · Sep 13, 2016 · US
Apparatus and efficiency point tracking method for high efficiency resonant converters
US-9444346-B2 · Sep 13, 2016 · US
System and Method for Compensating for Cable Voltage Loss at Various Output Voltages
US-2016254752-A1 · Sep 1, 2016 · US
DC/DC Converter
US-2016248321-A1 · Aug 25, 2016 · US
Boost type direct current output control circuit device controlled by subpower
US-9419524-B2 · Aug 16, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M3/22?
- CPC H02M3/22 is the Cooperative Patent Classification code for “with intermediate conversion into AC.”
- How many patents are filed under CPC H02M3/22 (with intermediate conversion into AC)?
- Our database includes 157 publications tagged with this CPC code.
- Is patent activity under CPC H02M3/22 growing?
- Publication counts under this code: 12 in 2024 vs 4 in 2025 (latest complete years).