Diffusing agent composition, and method for manufacturing semiconductor substrate
US-2025343042-A1 · Nov 6, 2025 · US
only one element being applied
only one element being applied · 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 | C23C8/42 |
| Official title | only one element being applied |
| Display label | only one element being applied |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-oriented electrical steel sheet and method for manufacturing same
US-12371757-B2 · Jul 29, 2025 · US
Superhydrophobic nanostructures
US-12202229-B2 · Jan 21, 2025 · US
Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization
US-2024102143-A1 · Mar 28, 2024 · US
Die casting mold and method of making the same
US-2024033816-A1 · Feb 1, 2024 · US
Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization
US-11885027-B2 · Jan 30, 2024 · US
Method for preparing metal oxide or metal hydroxide nano thin-film material by molten salt method
US-11692258-B2 · Jul 4, 2023 · US
Method for preparing metal oxide or metal hydroxide nano thin-film material by molten salt method
US-2023121139-A1 · Apr 20, 2023 · US
Non-oriented electrical steel sheet and method for manufacturing same
US-2022243298-A1 · Aug 4, 2022 · US
Corrosion and mar resistance of steel components
US-11326259-B2 · May 10, 2022 · US
Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization
US-2021340659-A1 · Nov 4, 2021 · US
Methods of synthesizing metal oxide nanostructures and photocatalytic water treatment applications of same
US-2021188655-A1 · Jun 24, 2021 · US
Metallic foil manufacturing method and cathode for manufacturing metallic foil
US-10900138-B2 · Jan 26, 2021 · US
Method for producing press-hardened components consisting of steel sheets or steel strips comprising an aluminium-based coating, and pressed-hardened component therefrom
US-10876195-B2 · Dec 29, 2020 · US
Metallic foil manufacturing method and cathode for manufacturing metallic foil
US-2020370190-A1 · Nov 26, 2020 · US
Nitrided titanium surfaces with a natural titanium color
US-10842035-B1 · Nov 17, 2020 · US
Preparation method of dual layered coatings on magnesium alloys with fluorine/polycaprolactone for biomedical applications
US-10781521-B2 · Sep 22, 2020 · US
Corrosion and mar resistance of steel components
US-2019376188-A1 · Dec 12, 2019 · US
Method of coating heat transfer components to impart superhydrophobicity
US-2019330734-A1 · Oct 31, 2019 · US
Roughened copper foil, copper clad laminate, and printed circuit board
US-10280501-B2 · May 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C8/42?
- CPC C23C8/42 is the Cooperative Patent Classification code for “only one element being applied.”
- How many patents are filed under CPC C23C8/42 (only one element being applied)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC C23C8/42 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).