Oxide material and semiconductor device
US-2024395942-A1 · Nov 28, 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 | H01L29/045 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 2,683 |
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 | 250 |
| 2016 | 396 |
| 2017 | 415 |
| 2018 | 331 |
| 2019 | 294 |
| 2020 | 261 |
| 2021 | 225 |
| 2022 | 168 |
| 2023 | 151 |
| 2024 | 160 |
| 2025 | 32 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor device and method
US-2024395867-A1 · Nov 28, 2024 · US
Methods for forming recesses in source/drain regions and devices formed thereof
US-12132089-B2 · Oct 29, 2024 · US
SiC semiconductor device
US-12080760-B2 · Sep 3, 2024 · US
Semiconductor substrate
US-2024105512-A1 · Mar 28, 2024 · US
Transistor and display device
US-2024055533-A1 · Feb 15, 2024 · US
Silicon carbide semiconductor device
US-2015380485-A1 · Dec 31, 2015 · US
Apparatus and Method for Multiple Gate Transistors
US-2015372116-A1 · Dec 24, 2015 · US
High-quality gan high-voltage hfets on silicon
US-2015364552-A1 · Dec 17, 2015 · US
Semiconductor device
US-9214520-B2 · Dec 15, 2015 · US
FinFET device
US-9190465-B2 · Nov 17, 2015 · US
Substrate, semiconductor device, and method of manufacturing the same
US-2015325637-A1 · Nov 12, 2015 · US
Semiconductor device
US-2015325708-A1 · Nov 12, 2015 · US
Semiconductor device and manufacturing method thereof
US-2015318368-A1 · Nov 5, 2015 · US
Methods for Forming Semiconductor Regions in Trenches
US-2015318382-A1 · Nov 5, 2015 · US
Manufacturing method for a micromechanical component and a corresponding micromechanical component
US-9178018-B2 · Nov 3, 2015 · US
Non-merged epitaxially grown mosfet devices
US-2015295065-A1 · Oct 15, 2015 · US
Silicon carbide semiconductor device and method for manufacturing same
US-2015295095-A1 · Oct 15, 2015 · US
Semiconductor device and fabrication method thereof
US-2015295086-A1 · Oct 15, 2015 · US
CAAC IGZO Deposited at Room Temperature
US-2015279674-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L29/045?
- CPC H01L29/045 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L29/045 (Electricity)?
- Our database includes 2,683 publications tagged with this CPC code.
- Is patent activity under CPC H01L29/045 growing?
- Publication counts under this code: 160 in 2024 vs 32 in 2025 (latest complete years).