Semiconductor device and method of manufacturing the same
US-2024234522-A1 · Jul 11, 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 | H01L29/404 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 1,490 |
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 | 86 |
| 2016 | 172 |
| 2017 | 190 |
| 2018 | 155 |
| 2019 | 181 |
| 2020 | 165 |
| 2021 | 126 |
| 2022 | 122 |
| 2023 | 138 |
| 2024 | 124 |
| 2025 | 31 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor structure and method of manufacture
US-2024105815-A1 · Mar 28, 2024 · US
High voltage resistor with high voltage junction termination
US-2024014260-A1 · Jan 11, 2024 · US
Semiconductor devices with guard rings
US-9224805-B2 · Dec 29, 2015 · US
Guarding ring structure of a high voltage device and manufacturing method thereof
US-9224804-B2 · Dec 29, 2015 · US
High voltage field balance metal oxide field effect transistor (fbm)
US-2015372129-A1 · Dec 24, 2015 · US
Customized shield plate for a field effect transistor
US-9209259-B2 · Dec 8, 2015 · US
Dummy gate for a high voltage transistor device
US-9209183-B2 · Dec 8, 2015 · US
Semiconductor component with dynamic behavior
US-9202881-B2 · Dec 1, 2015 · US
Power MOSFET semiconductor
US-9202909-B2 · Dec 1, 2015 · US
Semiconductor device having a locally reinforced metallization structure and method for manufacturing thereof
US-9196560-B2 · Nov 24, 2015 · US
Method to form stepped dielectric for field plate formation
US-9196692-B2 · Nov 24, 2015 · US
Semiconductive device and associated method of manufacture
US-2015333133-A1 · Nov 19, 2015 · US
Multi-source JFET device
US-9184304-B2 · Nov 10, 2015 · US
Semiconductor device
US-9184268-B2 · Nov 10, 2015 · US
Semiconductor device
US-9178014-B2 · Nov 3, 2015 · US
Field plate trench transistor and method for producing it
US-9171841-B2 · Oct 27, 2015 · US
Power MOSFET, an IGBT, and a power diode
US-9166036-B2 · Oct 20, 2015 · US
High-current N-type silicon-on-insulator lateral insulated-gate bipolar transistor
US-9159818-B2 · Oct 13, 2015 · US
Termination design for high voltage device
US-2015279984-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L29/404?
- CPC H01L29/404 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L29/404 (Electricity)?
- Our database includes 1,490 publications tagged with this CPC code.
- Is patent activity under CPC H01L29/404 growing?
- Publication counts under this code: 124 in 2024 vs 31 in 2025 (latest complete years).