Three-dimensional memory device and manufacturing method thereof
US-2021358948-A1 · Nov 18, 2021 · US
Coatings including alternating layers following a pattern, a periodic or defined repetition
Coatings including alternating layers following a pattern, a periodic or defined repetition · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C28/40 |
| Official title | {Coatings including alternating layers following a pattern, a periodic or defined repetition} |
| Display label | Coatings including alternating layers following a pattern, a periodic or defined repetition |
| Total patents | 219 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 20 |
| 2021 | 36 |
| 2022 | 39 |
| 2023 | 28 |
| 2024 | 37 |
| 2025 | 26 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Component, in particular for a valve train system, and method for producing a component of this type
US-2021348279-A1 · Nov 11, 2021 · US
Coated tool and cutting tool including same
US-11167356-B2 · Nov 9, 2021 · US
Three-dimensional memory device and manufacturing method thereof
US-11121152-B2 · Sep 14, 2021 · US
Thermal barrier coating
US-2021254221-A1 · Aug 19, 2021 · US
Cutting tool
US-2021245261-A1 · Aug 12, 2021 · US
Cutting tool
US-11033969-B2 · Jun 15, 2021 · US
Multilayer hard film-coated cutting tool
US-11014167-B2 · May 25, 2021 · US
Coated tool, and cutting tool including same
US-2021138557-A1 · May 13, 2021 · US
Cutting tool
US-2021008634-A1 · Jan 14, 2021 · US
Anti-reflective coatings and articles and methods of forming the same
US-2020408954-A1 · Dec 31, 2020 · US
Corrosion- and erosion-resistant coating for turbine blades of gas turbines
US-2020392629-A1 · Dec 17, 2020 · US
Surface-Coated Cutting Tool and Method for Manufacturing Same
US-2020376566-A1 · Dec 3, 2020 · US
Liner for v-nand word line stack
US-2020373318-A1 · Nov 26, 2020 · US
Hard mask, substrate processing method, and substrate processing apparatus
US-2020370172-A1 · Nov 26, 2020 · US
Surface-Coated Cutting Tool and Method for Manufacturing Same
US-2020370173-A1 · Nov 26, 2020 · US
Surface coated cutting tool and method for manufacturing the same
US-2020368822-A1 · Nov 26, 2020 · US
Coated tool and cutting tool including same
US-2020298315-A1 · Sep 24, 2020 · US
Tool and coated tool
US-10780506-B2 · Sep 22, 2020 · US
Steel sheet for cans and production method for steel sheet for cans
US-10753005-B2 · Aug 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C28/40?
- CPC C23C28/40 is the Cooperative Patent Classification code for “Coatings including alternating layers following a pattern, a periodic or defined repetition.”
- How many patents are filed under CPC C23C28/40 (Coatings including alternating layers following a pattern, a periodic or defined repetition)?
- Our database includes 219 publications tagged with this CPC code.
- Is patent activity under CPC C23C28/40 growing?
- Publication counts under this code: 37 in 2024 vs 26 in 2025 (latest complete years).