Apparatus
US-2024089652-A1 · Mar 14, 2024 · US
using a piezoelectric polymer
using a piezoelectric polymer · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04R17/005 |
| Official title | {using a piezoelectric polymer} |
| Display label | using a piezoelectric polymer |
| Total patents | 716 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 51 |
| 2017 | 55 |
| 2018 | 51 |
| 2019 | 41 |
| 2020 | 74 |
| 2021 | 74 |
| 2022 | 94 |
| 2023 | 90 |
| 2024 | 85 |
| 2025 | 61 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Membrane arrangement for a microelectromechanical measuring transducer and method for producing a membrane arrangement
US-9516423-B2 · Dec 6, 2016 · US
Piezoelectric thin film resonator and method of fabricating the same
US-2016353221-A1 · Dec 1, 2016 · US
Acoustic generator, acoustic generation apparatus, portable terminal, and electronic apparatus
US-2016353208-A1 · Dec 1, 2016 · US
Systems and methods for improved audio output in electronic devices
US-2016345098-A1 · Nov 24, 2016 · US
Composite electronic device, speaker cartridge, and electronic device
US-2016345085-A1 · Nov 24, 2016 · US
Electronic device
US-2016337757-A1 · Nov 17, 2016 · US
Piezoelectric element, and piezoelectric vibrating apparatus, portable terminal, sound generator, sound generating apparatus, and electronic device comprising the piezoelectric element
US-2016337760-A1 · Nov 17, 2016 · US
Acoustic generator, acoustic generation device, and electronic apparatus
US-2016337759-A1 · Nov 17, 2016 · US
Sound transducer for insertion in an ear
US-9497556-B2 · Nov 15, 2016 · US
Vibration module based on piezoelectric device
US-9496483-B2 · Nov 15, 2016 · US
Implantable middle ear transducer having improved frequency response
US-9497555-B2 · Nov 15, 2016 · US
Hearing system and finger ring for the hearing system
US-9485559-B2 · Nov 1, 2016 · US
Mobile telephone
US-9479624-B2 · Oct 25, 2016 · US
Dielectric material for transducer, method for manufacturing the same, and transducer including the same
US-2016300640-A1 · Oct 13, 2016 · US
Headphones
US-2016286320-A1 · Sep 29, 2016 · US
Piezoelectric Speaker Driving Device
US-2016277833-A1 · Sep 22, 2016 · US
Device with actuated membranes and a digital loudspeaker including the device thereof
US-2016269827-A1 · Sep 15, 2016 · US
Electroacoustic conversion film, electroacoustic converter, flexible display, and projector screen
US-9440259-B2 · Sep 13, 2016 · US
Display device unit
US-9436320-B2 · Sep 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R17/005?
- CPC H04R17/005 is the Cooperative Patent Classification code for “using a piezoelectric polymer.”
- How many patents are filed under CPC H04R17/005 (using a piezoelectric polymer)?
- Our database includes 716 publications tagged with this CPC code.
- Is patent activity under CPC H04R17/005 growing?
- Publication counts under this code: 85 in 2024 vs 61 in 2025 (latest complete years).