Acoustic wave resonator
US-2020373899-A1 · Nov 26, 2020 · US
of a laminated structure of multiple piezoelectric layers with inner electrodes
of a laminated structure of multiple piezoelectric layers with inner electrodes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03H9/178 |
| Official title | {of a laminated structure of multiple piezoelectric layers with inner electrodes} |
| Display label | of a laminated structure of multiple piezoelectric layers with inner electrodes |
| Total patents | 161 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 22 |
| 2019 | 23 |
| 2020 | 18 |
| 2021 | 11 |
| 2022 | 23 |
| 2023 | 22 |
| 2024 | 14 |
| 2025 | 17 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elastic wave device, high-frequency front-end circuit, and communication apparatus
US-10797680-B2 · Oct 6, 2020 · US
Composite substrate and acoustic wave element using same
US-2020287513-A1 · Sep 10, 2020 · US
Vibrating device
US-10707832-B2 · Jul 7, 2020 · US
Resonator and resonance device
US-10659004-B2 · May 19, 2020 · US
Piezoelectric thin film resonator and fabrication method of the same, filter, and multiplexer
US-10523177-B2 · Dec 31, 2019 · US
Acoustic resonator and acoustic resonator filter including the same
US-2019386641-A1 · Dec 19, 2019 · US
Bulk acoustic wave resonator
US-10476463-B2 · Nov 12, 2019 · US
Filter and filter module
US-10476479-B2 · Nov 12, 2019 · US
Filter device including longitudinally coupled resonator elastic wave filter and elastic wave resonator
US-10469055-B2 · Nov 5, 2019 · US
Piezoelectric resonator device and system-in-package module including the same
US-2019312189-A1 · Oct 10, 2019 · US
Baw filter structure with internal electrostatic shielding
US-10361676-B2 · Jul 23, 2019 · US
Elastic wave device
US-2019190484-A1 · Jun 20, 2019 · US
Structure and method of manufacture for acoustic resonator or filter devices using improved fabrication conditions and perimeter structure modifications
US-2019190479-A1 · Jun 20, 2019 · US
Elastic wave device, high-frequency front-end circuit, and communication apparatus
US-2019165763-A1 · May 30, 2019 · US
Elastic wave device
US-2019165758-A1 · May 30, 2019 · US
Elastic wave device, high-frequency front-end circuit, and communication apparatus
US-2019149128-A1 · May 16, 2019 · US
Elastic wave device, high-frequency front-end circuit, and communication apparatus
US-2019149125-A1 · May 16, 2019 · US
Elastic wave detection
US-10256793-B2 · Apr 9, 2019 · US
Baw filter structure with internal electrostatic shielding
US-2019103851-A1 · Apr 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03H9/178?
- CPC H03H9/178 is the Cooperative Patent Classification code for “of a laminated structure of multiple piezoelectric layers with inner electrodes.”
- How many patents are filed under CPC H03H9/178 (of a laminated structure of multiple piezoelectric layers with inner electrodes)?
- Our database includes 161 publications tagged with this CPC code.
- Is patent activity under CPC H03H9/178 growing?
- Publication counts under this code: 14 in 2024 vs 17 in 2025 (latest complete years).