Perovskite-type ceramic compact and method for manufacturing same
US-2024425384-A1 · Dec 26, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01P2004/64 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 4,653 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 330 |
| 2016 | 320 |
| 2017 | 329 |
| 2018 | 388 |
| 2019 | 404 |
| 2020 | 422 |
| 2021 | 461 |
| 2022 | 556 |
| 2023 | 445 |
| 2024 | 488 |
| 2025 | 412 |
| 2026 | 98 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite particles for toner additives
US-2024417537-A1 · Dec 19, 2024 · US
Surface modified carbon black to simultaneously improve rolling resistance, wet traction, and wear resistance
US-12116485-B2 · Oct 15, 2024 · US
Surface modified carbon black to simultaneously improve rolling resistance, wet traction, and wear resistance
US-2024263014-A1 · Aug 8, 2024 · US
Iron oxide magnetic particles
US-2024058449-A1 · Feb 22, 2024 · US
Colloidal silica particles, process for producing the same, and organic solvent-dispersed silica sol, polymerizable compound-dispersed silica sol, and dicarboxylic anhydride-dispersed silica sol each obtained from the same
US-2015376018-A1 · Dec 31, 2015 · US
Zinc oxide particles, method for production of the same, and cosmetic, heat releasing filler, heat releasing resin composition, heat releasing grease, and heat releasing coating composition comprising the same
US-9199857-B2 · Dec 1, 2015 · US
Nanocrystals containing CdTe core with CdS and ZnS coatings
US-9202867-B2 · Dec 1, 2015 · US
Organic solvent dispersion containing flaky titanium oxide, method for production of the dispersion, titanium oxide film using the dispersion, and method for production of the titanium oxide film
US-9187339-B2 · Nov 17, 2015 · US
Lithium-metal oxide nanoparticles, preparation method and use thereof
US-2015325837-A1 · Nov 12, 2015 · US
Synthesis of quantum dot/polymer/layered-structure ceramic composite
US-2015298432-A1 · Oct 22, 2015 · US
Quantum dot stabilized by halogen salt and method for manufacturing the same
US-2015291422-A1 · Oct 15, 2015 · US
Assay method using magnetic silica particles and reagent for said assay method
US-9157911-B2 · Oct 13, 2015 · US
Method of manufacturing hexagonal ferrite powder, hexagonal ferrite powder, and magnetic recording medium
US-2015279406-A1 · Oct 1, 2015 · US
Hexagonal ferrite powder and magnetic recording medium
US-2015279408-A1 · Oct 1, 2015 · US
Aggregate of spherical core-shell cerium oxide/polymer hybrid nanoparticles and method for producing the same
US-9139745-B2 · Sep 22, 2015 · US
Method of manufacturing hexagonal ferrite magnetic powder and its usage
US-9142341-B2 · Sep 22, 2015 · US
Pigment for ink-jet recording, pigment ink for ink-jet recording, and method for producing pigment for ink-jet recording
US-2015259550-A1 · Sep 17, 2015 · US
Nanocrystals including a group IIIA element and a group VA element, method, composition, device and other products
US-9136428-B2 · Sep 15, 2015 · US
Ceramic powder and multi-layer ceramic capacitor
US-2015255214-A1 · Sep 10, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01P2004/64?
- CPC C01P2004/64 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01P2004/64 (Chemistry & Metallurgy)?
- Our database includes 4,653 publications tagged with this CPC code.
- Is patent activity under CPC C01P2004/64 growing?
- Publication counts under this code: 488 in 2024 vs 412 in 2025 (latest complete years).