Method of controlling at least two interacting piezoelectric actuators
US-12074540-B2 · Aug 27, 2024 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02N2/02 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 286 |
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 | 27 |
| 2016 | 21 |
| 2017 | 39 |
| 2018 | 26 |
| 2019 | 46 |
| 2020 | 24 |
| 2021 | 27 |
| 2022 | 25 |
| 2023 | 23 |
| 2024 | 19 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic shape memory element linear motor systems and methods
US-9819287-B2 · Nov 14, 2017 · US
System and method for a differential comb drive MEMS
US-9809444-B2 · Nov 7, 2017 · US
Precision return actuator
US-9780290-B2 · Oct 3, 2017 · US
Systems and methods for providing features in a friction display wherein a haptic effect is configured to vary the coefficient of friction
US-9746923-B2 · Aug 29, 2017 · US
Sound to haptic effect conversion system using waveform
US-2017213430-A1 · Jul 27, 2017 · US
System and Method for a Differential Comb Drive MEMS
US-2017166437-A1 · Jun 15, 2017 · US
Vibration generating apparatus
US-9660173-B2 · May 23, 2017 · US
Piezoelectric actuator, stacked actuator, piezoelectric motor, robot, hand, and liquid transport pump
US-2017141290-A1 · May 18, 2017 · US
Bistable haptic feedback generator
US-2017061753-A1 · Mar 2, 2017 · US
Haptic device with linear resonant actuator
US-2017052593-A1 · Feb 23, 2017 · US
Insulating base material with conductive pattern
US-2017040526-A1 · Feb 9, 2017 · US
Haptic feedback generation based on resonant frequency
US-9513709-B2 · Dec 6, 2016 · US
High definition haptic effects generation using primitives
US-9513706-B2 · Dec 6, 2016 · US
Friction drive actuator
US-2016351786-A1 · Dec 1, 2016 · US
Poly-actuator
US-2016336878-A1 · Nov 17, 2016 · US
Haptic device with linear resonant actuator
US-9489047-B2 · Nov 8, 2016 · US
Systems And Methods For Tactile Guidance
US-2016321880-A1 · Nov 3, 2016 · US
Method and apparatus for controlling haptic feedback of an input tool for a mobile terminal
US-9483120-B2 · Nov 1, 2016 · US
Magnetic Shape Memory Element Linear Motor Systems and Methods
US-2016301293-A1 · Oct 13, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02N2/02?
- CPC H02N2/02 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H02N2/02 (Electricity)?
- Our database includes 286 publications tagged with this CPC code.
- Is patent activity under CPC H02N2/02 growing?
- Publication counts under this code: 19 in 2024 vs 9 in 2025 (latest complete years).