Power conversion apparatus
US-2024396454-A1 · Nov 28, 2024 · US
Buck converter, i.e. DC-DC step down converter decreasing the voltage between the supply and the inverter driving the motor
Buck converter, i.e. DC-DC step down converter decreasing the voltage between the supply and the inverter driving the motor · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P2201/11 |
| Official title | Buck converter, i.e. DC-DC step down converter decreasing the voltage between the supply and the inverter driving the motor |
| Display label | Buck converter, i.e. DC-DC step down converter decreasing the voltage between the supply and the inverter driving the motor |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid or electric vehicle transmission lubrication arrangement
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Power conversion device
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Systems and methods for a soft switching DC-DC converter
US-11784600-B2 · Oct 10, 2023 · US
Control Apparatus And Robot System
US-2023318507-A1 · Oct 5, 2023 · US
Open winding motor driving device
US-2023208339-A1 · Jun 29, 2023 · US
Hybrid or electric vehicle
US-2023151884-A1 · May 18, 2023 · US
Electric power steering apparatus
US-11613304-B2 · Mar 28, 2023 · US
Motor control device
US-2023057522-A1 · Feb 23, 2023 · US
Vehicle including fuel cell, battery-charging method for the vehicle, and recording medium having recorded therein program for executing the method
US-11505075-B2 · Nov 22, 2022 · US
Inverter circuit for an electric machine
US-11451181-B2 · Sep 20, 2022 · US
Discharging vehicle and vehicle charging system
US-2022274498-A1 · Sep 1, 2022 · US
Power conversion apparatus
US-2022278621-A1 · Sep 1, 2022 · US
Drive device for switch
US-11424670-B2 · Aug 23, 2022 · US
Inverter circuit for an electric machine
US-2022103111-A1 · Mar 31, 2022 · US
Electric drive system and operating method
US-11245349-B2 · Feb 8, 2022 · US
Current boost for wireline powered tools
US-2021351700-A1 · Nov 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P2201/11?
- CPC H02P2201/11 is the Cooperative Patent Classification code for “Buck converter, i.e. DC-DC step down converter decreasing the voltage between the supply and the inverter driving the motor.”
- How many patents are filed under CPC H02P2201/11 (Buck converter, i.e. DC-DC step down converter decreasing the voltage between the supply and the inverter driving the motor)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC H02P2201/11 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).