Semiconductor device having an oxide semiconductor layer
US-9837544-B2 · Dec 5, 2017 · 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 | H01L29/247 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 325 |
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 | 17 |
| 2016 | 36 |
| 2017 | 46 |
| 2018 | 36 |
| 2019 | 42 |
| 2020 | 41 |
| 2021 | 41 |
| 2022 | 21 |
| 2023 | 23 |
| 2024 | 18 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor device
US-9799666-B2 · Oct 24, 2017 · US
Semiconductor device and method for manufacturing semiconductor device
US-9761736-B2 · Sep 12, 2017 · US
Oxide semiconductor, thin film transistor, and display device
US-2017213855-A1 · Jul 27, 2017 · US
Semiconductor device comprising an oxide semiconductor layer
US-9660101-B2 · May 23, 2017 · US
Thin film transistor and method for manufacturing same
US-9660103-B2 · May 23, 2017 · US
Semiconductor device and manufacturing method thereof
US-2017040181-A1 · Feb 9, 2017 · US
Semiconductor device and method for manufacturing the same
US-2016380111-A1 · Dec 29, 2016 · US
Semiconductor device and manufacturing method thereof
US-2016365460-A1 · Dec 15, 2016 · US
Large-Scale Complementary Macroelectronics Using Hybrid Integration of Carbon Nanotubes and Oxide Thin-Film Transistors
US-2016351629-A1 · Dec 1, 2016 · US
Thin Film Transistor Substrate Having High Reliability Metal Oxide Semiconductor Material
US-2016343878-A1 · Nov 24, 2016 · US
Semiconductor device
US-2016336457-A1 · Nov 17, 2016 · US
Thin-film transistor, array substrate and fabrication method, and display device
US-2016334918-A1 · Nov 17, 2016 · US
Structure and process for overturned thin film device with self-aligned gate and S/D contacts
US-9496415-B1 · Nov 15, 2016 · US
Light-emitting device and method for manufacturing the same
US-2016322510-A1 · Nov 3, 2016 · US
Thin-film transistor and manufacturing method for same
US-2016300954-A1 · Oct 13, 2016 · US
Semiconductor device
US-2016293606-A1 · Oct 6, 2016 · US
Method for the fabrication of thin-film transistors together with other components on a substrate
US-9446946-B2 · Sep 20, 2016 · US
Semiconductor device and electronic device
US-2016260739-A1 · Sep 8, 2016 · US
Thin-film transistor and method of manufacturing the same
US-2016254280-A1 · Sep 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L29/247?
- CPC H01L29/247 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L29/247 (Electricity)?
- Our database includes 325 publications tagged with this CPC code.
- Is patent activity under CPC H01L29/247 growing?
- Publication counts under this code: 18 in 2024 vs 4 in 2025 (latest complete years).