Piezoelectric device and method of forming the same
US-2024032429-A1 · Jan 25, 2024 · US
Membrane type
Membrane type · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H10N30/308 |
| Official title | {Membrane type} |
| Display label | Membrane type |
| Total patents | 299 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 19 |
| 2017 | 20 |
| 2018 | 16 |
| 2019 | 53 |
| 2020 | 37 |
| 2021 | 27 |
| 2022 | 29 |
| 2023 | 34 |
| 2024 | 29 |
| 2025 | 15 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rear tray for vehicle having energy harvesting elements
US-10109783-B2 · Oct 23, 2018 · US
Button device using piezoelectric element
US-10103313-B2 · Oct 16, 2018 · US
Pressing force sensor
US-10024739-B2 · Jul 17, 2018 · US
Vibration-based energy harvester with strain optimised topology
US-2018198384-A1 · Jul 12, 2018 · US
Piezoelectric element, piezoelectric microphone, piezoelectric resonator and method for manufacturing piezoelectric element
US-2018192203-A1 · Jul 5, 2018 · US
Electroacoustic conversion film web, electroacoustic conversion film, and method for manufacturing same
US-2018069172-A1 · Mar 8, 2018 · US
Piezoelectric Transducers and Methods of Making and Using the Same
US-2017368574-A1 · Dec 28, 2017 · US
High temperature flexural mode piezoelectric dynamic pressure sensor
US-9835511-B2 · Dec 5, 2017 · US
Capacitive sensing structure with embedded acoustic channels
US-9809451-B2 · Nov 7, 2017 · US
Piezoelectric device
US-2017317265-A1 · Nov 2, 2017 · US
Power generator
US-9780281-B2 · Oct 3, 2017 · US
Integration of ain ultrasonic transducer on a cmos substrate using fusion bonding process
US-2017275158-A1 · Sep 28, 2017 · US
Device with deformable shell including an internal piezoelectric circuit
US-2017239530-A1 · Aug 24, 2017 · US
Polymeric piezoelectric film
US-2017218117-A1 · Aug 3, 2017 · US
Energy harvesting sole
US-2017208890-A1 · Jul 27, 2017 · US
Mems piezoelectric device and corresponding manufacturing process
US-2017186940-A1 · Jun 29, 2017 · US
Substrate for diaphragm-type resonant MEMS devices, diaphragm-type resonant MEMS device and method for manufacturing same
US-9688528-B2 · Jun 27, 2017 · US
Sensor device and electronic apparatus
US-9666787-B2 · May 30, 2017 · US
Method for manufacturing piezoelectric device
US-9653676-B2 · May 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H10N30/308?
- CPC H10N30/308 is the Cooperative Patent Classification code for “Membrane type.”
- How many patents are filed under CPC H10N30/308 (Membrane type)?
- Our database includes 299 publications tagged with this CPC code.
- Is patent activity under CPC H10N30/308 growing?
- Publication counts under this code: 29 in 2024 vs 15 in 2025 (latest complete years).