Power converting apparatus, motor drive device, and refrigeration cycle-incorporating device
US-2026088743-A1 · Mar 26, 2026 · US
Controlling the motor in four quadrants
Controlling the motor in four quadrants · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P23/06 |
| Official title | Controlling the motor in four quadrants |
| Display label | Controlling the motor in four quadrants |
| Total patents | 41 |
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 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 8 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drive device
US-2026058589-A1 · Feb 26, 2026 · US
Motor drive device, and control method
US-2025357872-A1 · Nov 20, 2025 · US
Motor control device and motor control method
US-2025192697-A1 · Jun 12, 2025 · US
Method and circuit arrangement for controlling a stepper motor
US-12176841-B2 · Dec 24, 2024 · US
Ac motor control device and tangible computer readable storage medium
US-2024421738-A1 · Dec 19, 2024 · US
System and method of wiper electric drive control using four quadrant operation
US-12155326-B2 · Nov 26, 2024 · US
Control method and system for hybrid power system
US-12145568-B2 · Nov 19, 2024 · US
Rotor noise reduction using signal processing
US-12065257-B2 · Aug 20, 2024 · US
Method and circuit arrangement for controlling a stepper motor
US-2024266977-A1 · Aug 8, 2024 · US
Rotor Noise Reduction using Signal Processing
US-2024228052-A9 · Jul 11, 2024 · US
Rotor Noise Reduction using Signal Processing
US-2024132225-A1 · Apr 25, 2024 · US
Clothes treating apparatus and the control method for the same
US-11821131-B2 · Nov 21, 2023 · US
Rotor noise reduction using signal processing
US-11661204-B2 · May 30, 2023 · US
System and method of wiper electric drive control using four quadrant operation
US-2023163707-A1 · May 25, 2023 · US
Lossy mechatronic systems and methods of estimation
US-2022249771-A1 · Aug 11, 2022 · US
Clothes treating apparatus and the control method for the same
US-2022195656-A1 · Jun 23, 2022 · US
Control method and system for hybrid power system
US-2022176937-A1 · Jun 9, 2022 · US
Rotor noise reduction using signal processing
US-2022055764-A1 · Feb 24, 2022 · US
Control method and switching device
US-11095211-B2 · Aug 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P23/06?
- CPC H02P23/06 is the Cooperative Patent Classification code for “Controlling the motor in four quadrants.”
- How many patents are filed under CPC H02P23/06 (Controlling the motor in four quadrants)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC H02P23/06 growing?
- Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).