Control device, substrate processing system, and method of controlling vacuum valve device
US-2024030046-A1 · Jan 25, 2024 · US
Shaping of pulses, e.g. to reduce torque ripple {(Reducing overshoot H02P8/32 takes precedence)}
Shaping of pulses, e.g. to reduce torque ripple {(Reducing overshoot H02P8/32 takes precedence)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P8/18 |
| Official title | Shaping of pulses, e.g. to reduce torque ripple {(Reducing overshoot H02P8/32 takes precedence)} |
| Display label | Shaping of pulses, e.g. to reduce torque ripple {(Reducing overshoot H02P8/32 takes precedence)} |
| Total patents | 65 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor drive control device, motor unit, and motor drive control method
US-11831270-B2 · Nov 28, 2023 · US
Motor drive control device, motor unit, and motor drive control method
US-11750125-B2 · Sep 5, 2023 · US
Control device for rotary apparatus, rotary apparatus, and control method for rotary apparatus
US-11563393-B2 · Jan 24, 2023 · US
Motor drive control device, motor unit, and motor drive control method
US-2022385215-A1 · Dec 1, 2022 · US
Motor drive control device, motor unit, and motor drive control method
US-2022385216-A1 · Dec 1, 2022 · US
Method of operating a stepper motor in a dental tool machine
US-2022278635-A1 · Sep 1, 2022 · US
Motor control device, motor control method, and optical apparatus
US-11424703-B2 · Aug 23, 2022 · US
Motor driving apparatus, motor driving method, and timepiece
US-11424702-B2 · Aug 23, 2022 · US
Driving circuit and driving method of stepping motor and electronic machine using the same
US-11418138-B2 · Aug 16, 2022 · US
Stepping motor control device, timepiece and method for controlling stepping motor
US-11316454-B2 · Apr 26, 2022 · US
Driving circuit and driving method of stepping motor and electronic machine using the same
US-11245347-B2 · Feb 8, 2022 · US
Motor control device and motor control method, and optical device
US-11205981-B2 · Dec 21, 2021 · US
Control device for rotary apparatus, rotary apparatus, and control method for rotary apparatus
US-2021194399-A1 · Jun 24, 2021 · US
Timepiece and motor control method
US-11016446-B2 · May 25, 2021 · US
Stepping motor control device, timepiece and method for controlling stepping motor
US-2021091694-A1 · Mar 25, 2021 · US
Motor control device, motor control method, and optical apparatus
US-2020403541-A1 · Dec 24, 2020 · US
Motor control device and motor control method, and optical device
US-2020389105-A1 · Dec 10, 2020 · US
Motor driving apparatus, motor driving method, and timepiece
US-2020313583-A1 · Oct 1, 2020 · US
Driving circuit and driving method of stepping motor and electronic machine using the same
US-2020280272-A1 · Sep 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P8/18?
- CPC H02P8/18 is the Cooperative Patent Classification code for “Shaping of pulses, e.g. to reduce torque ripple {(Reducing overshoot H02P8/32 takes precedence)}.”
- How many patents are filed under CPC H02P8/18 (Shaping of pulses, e.g. to reduce torque ripple {(Reducing overshoot H02P8/32 takes precedence)})?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC H02P8/18 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).