Memory cell, capacitive memory structure, and methods thereof
US-2022139937-A1 · May 5, 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 | H01L28/57 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 123 |
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 | 8 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 14 |
| 2022 | 17 |
| 2023 | 26 |
| 2024 | 20 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor device and method of forming the same
US-11296116-B2 · Apr 5, 2022 · US
Capacitor comprising a bismuth metal oxide-based lead titanate thin film
US-2022005814-A1 · Jan 6, 2022 · US
Doped polar layers and semiconductor device incorporating same
US-2021343874-A1 · Nov 4, 2021 · US
Doped polar layers and semiconductor device incorporating same
US-2021343873-A1 · Nov 4, 2021 · US
Doped polar layers and semiconductor device incorporating same
US-2021343871-A1 · Nov 4, 2021 · US
Doped polar layers and semiconductor device incorporating same
US-2021343872-A1 · Nov 4, 2021 · US
Doped polar layers and semiconductor device incorporating same
US-11164976-B2 · Nov 2, 2021 · US
Semiconductor device fabrication method and semiconductor device
US-11164936-B2 · Nov 2, 2021 · US
Capacitor comprising a bismuth metal oxide-based lead titanate thin film
US-11158642-B2 · Oct 26, 2021 · US
Doped polar layers and semiconductor device incorporating same
US-2021328067-A1 · Oct 21, 2021 · US
Doped polar layers and semiconductor device incorporating same
US-2021320211-A1 · Oct 14, 2021 · US
Micro-electronic electrode assembly
US-11120946-B2 · Sep 14, 2021 · US
Ferroelectric memory array surrounded by ferroelectric dummy capacitors
US-11101275-B2 · Aug 24, 2021 · US
Semiconductor device including an electrode lower layer and an electrode upper layer and method of manufacturing semiconductor device
US-11075209-B2 · Jul 27, 2021 · US
Semiconductor device
US-10991703-B2 · Apr 27, 2021 · US
Capacitor and method for fabricating the same
US-2021066446-A1 · Mar 4, 2021 · US
Semiconductor device and fabrication method
US-10847522-B2 · Nov 24, 2020 · US
Doped polar layers and semiconductor device incorporating same
US-2020321344-A1 · Oct 8, 2020 · US
Ferroelectric capacitor with insulating thin film
US-2020286686-A1 · Sep 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L28/57?
- CPC H01L28/57 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L28/57 (Electricity)?
- Our database includes 123 publications tagged with this CPC code.
- Is patent activity under CPC H01L28/57 growing?
- Publication counts under this code: 20 in 2024 vs 3 in 2025 (latest complete years).