Analog timepiece and control method of analog timepiece
US-10520897-B2 · Dec 31, 2019 · US
specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P8/02 |
| Official title | specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors |
| Display label | specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors |
| Total patents | 137 |
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 | 6 |
| 2016 | 7 |
| 2017 | 19 |
| 2018 | 12 |
| 2019 | 19 |
| 2020 | 25 |
| 2021 | 17 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Driving device and electronic timepiece
US-10520898-B2 · Dec 31, 2019 · US
Motor drive controller and method for controlling motor
US-10498284-B2 · Dec 3, 2019 · US
Driving device and electronic timepiece
US-2019332065-A1 · Oct 31, 2019 · US
Motor control circuit, movement, and electronic timepiece
US-2019305702-A1 · Oct 3, 2019 · US
Movement And Electronic Timepiece
US-2019302698-A1 · Oct 3, 2019 · US
Driving device, stepping motor driving method, program, and electronic timepiece
US-10416611-B2 · Sep 17, 2019 · US
Motor drive control device and method for determining controlled frequency for motor
US-10408868-B2 · Sep 10, 2019 · US
Electronic watch
US-10331084-B2 · Jun 25, 2019 · US
Timepiece movement, timepiece, and reference position determination method of indicating hand of timepiece
US-2019121296-A1 · Apr 25, 2019 · US
Timepiece, electronic device, and control method of timepiece
US-2019086873-A1 · Mar 21, 2019 · US
Motor module for watches
US-10228658-B2 · Mar 12, 2019 · US
Rotation control apparatus, electronic timepiece, and rotation control method
US-2019064745-A1 · Feb 28, 2019 · US
Electronic watch
US-2019041804-A1 · Feb 7, 2019 · US
Drive circuit for two-coil step motor
US-10197972-B2 · Feb 5, 2019 · US
Motor controller, motor driving apparatus, motor driving system, image forming apparatus, and conveying device
US-10199967-B2 · Feb 5, 2019 · US
Shock detector circuit
US-10152026-B2 · Dec 11, 2018 · US
Shock detector circuit and method for operation thereof
US-10141873-B2 · Nov 27, 2018 · US
Motor drive controller, control method for motor drive controller, control program for motor drive controller, and method for determining number of divisions of basic step angle
US-2018262136-A1 · Sep 13, 2018 · US
Motor drive control device and method for determining controlled frequency for motor
US-2018259560-A1 · Sep 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P8/02?
- CPC H02P8/02 is the Cooperative Patent Classification code for “specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors.”
- How many patents are filed under CPC H02P8/02 (specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors)?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC H02P8/02 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).