Synchronization of multiple axes in a motor drive
US-12587121-B2 · Mar 24, 2026 · US
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Direct ratio control
Direct ratio control · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P5/51 |
| Official title | Direct ratio control |
| Display label | Direct ratio control |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drive device and driving control device
US-2025066017-A1 · Feb 27, 2025 · US
Synchronization of multiple axes in a motor drive
US-2025055396-A1 · Feb 13, 2025 · US
Method for synchronously controlling two motors
US-2025038682-A1 · Jan 30, 2025 · US
Electric motor system
US-11909346-B2 · Feb 20, 2024 · US
Motor circuit
US-11791752-B2 · Oct 17, 2023 · US
Variable rotary pendulous mass vibration suppression system
US-11472540-B2 · Oct 18, 2022 · US
Electric motor system
US-2022014124-A1 · Jan 13, 2022 · US
Variable rotary pendulous mass vibration suppression system
US-2021139137-A1 · May 13, 2021 · US
Laundry treatment apparatus
US-10910964-B2 · Feb 2, 2021 · US
Vehicle-speed control device
US-10870356-B2 · Dec 22, 2020 · US
PN-busbar common system, regenerative control device, and regenerative control method
US-10381966-B2 · Aug 13, 2019 · US
Motor drive and control circuit for electric power steering
US-10300941-B2 · May 28, 2019 · US
Driving device, drive system, image forming apparatus, conveyance device, and driving method
US-10298156-B2 · May 21, 2019 · US
Vehicle-speed control device
US-2018264950-A1 · Sep 20, 2018 · US
Motor drive and control circuit for electric power steering
US-2018154930-A1 · Jun 7, 2018 · US
Motor Circuit
US-2018138838-A1 · May 17, 2018 · US
Pn-busbar common system, regenerative control device, and regenerative control method
US-2018138851-A1 · May 17, 2018 · US
Laundry treatment apparatus
US-2018083556-A1 · Mar 22, 2018 · US