Method for manufacturing device comprising halide perovskite active layer, and power generation devices
US-2022406990-A1 · Dec 22, 2022 · 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 | H01L41/39 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 64 |
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 | 3 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 5 |
| 2019 | 13 |
| 2020 | 6 |
| 2021 | 12 |
| 2022 | 5 |
| 2023 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacture for single crystal capacitor dielectric for a resonance circuit
US-11495734-B2 · Nov 8, 2022 · US
Piezoelectric film layered structure and method for producing thereof
US-2022246833-A1 · Aug 4, 2022 · US
Piezoelectric element and liquid ejecting head
US-11309483-B2 · Apr 19, 2022 · US
Lead-free knn-based piezoelectric ceramic material with texturing, and method of making the same
US-2022069196-A1 · Mar 3, 2022 · US
Method for the production of a single-crystal film, in particular piezoelectric
US-2021367139-A1 · Nov 25, 2021 · US
Crystal material and method of manufacturing the same
US-11158784-B2 · Oct 26, 2021 · US
Method for the production of a single-crystal film, in particular piezoeletric
US-11101428-B2 · Aug 24, 2021 · US
Three-dimensional piezoelectric materials and uses thereof
US-2021234089-A1 · Jul 29, 2021 · US
Nano-Electro-Mechanical Tags for Identification and Authentication
US-2021221675-A1 · Jul 22, 2021 · US
Wet etching of samarium selenium for piezoelectric processing
US-11011387-B2 · May 18, 2021 · US
Dual frequency transceiver device
US-10984300-B2 · Apr 20, 2021 · US
Optoelectronic device having a diode put under tensile stress by an inverse piezoelectric effect
US-2021111205-A1 · Apr 15, 2021 · US
Method for electrohydrodynamic jet printing curved piezoelectric ceramics
US-10960670-B1 · Mar 30, 2021 · US
Bonding method
US-10964882-B2 · Mar 30, 2021 · US
Method for electrohydrodynamic jet printing curved piezoelectric ceramics
US-2021086512-A1 · Mar 25, 2021 · US
Wet etching of samarium selenium for piezoelectric processing
US-10930519-B2 · Feb 23, 2021 · US
Pressure sensor and manufacturing method thereof
US-10741746-B2 · Aug 11, 2020 · US
Wet etching of samarium selenium for piezoelectric processing
US-2020227274-A1 · Jul 16, 2020 · US
Method for manufacturing a piezoelectric device
US-10608166-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L41/39?
- CPC H01L41/39 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L41/39 (Electricity)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC H01L41/39 growing?
- Publication counts under this code: 5 in 2022 vs 4 in 2023 (latest complete years).