Device comprising a low dielectric loss borosilicate glass substrate and methods of making the same
US-2024400438-A1 · Dec 5, 2024 · US
based on aluminium nitride
based on aluminium nitride · 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 | C04B35/581 |
| Official title | based on aluminium nitride |
| Display label | based on aluminium nitride |
| Total patents | 490 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 38 |
| 2017 | 30 |
| 2018 | 32 |
| 2019 | 48 |
| 2020 | 39 |
| 2021 | 42 |
| 2022 | 44 |
| 2023 | 55 |
| 2024 | 56 |
| 2025 | 53 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrostatic chuck
US-2024297063-A1 · Sep 5, 2024 · US
Phosphor, light emitting device and lighting apparatus
US-9525110-B2 · Dec 20, 2016 · US
Heating device
US-9437463-B2 · Sep 6, 2016 · US
Phosphor composition
US-9428688-B2 · Aug 30, 2016 · US
Preceramic adhesive composition
US-2016214356-A1 · Jul 28, 2016 · US
Method for producing electrostatic chuck and electrostatic chuck
US-9394206-B2 · Jul 19, 2016 · US
Composite substrate for LED light emitting element, method of production of same, and LED light emitting element
US-9387532-B2 · Jul 12, 2016 · US
Surface-coated boron nitride sintered body tool
US-2016194254-A1 · Jul 7, 2016 · US
Boron nitride agglomerates, method for the production thereof and use thereof
US-9371449-B2 · Jun 21, 2016 · US
Method of manufacturing ceramic assembly
US-2016159696-A1 · Jun 9, 2016 · US
Method and apparatus for producing three-dimensionally shaped object and three-dimensionally shaped object
US-2016144573-A1 · May 26, 2016 · US
Ceramic Material and Thermal Switch
US-2016137555-A1 · May 19, 2016 · US
Process for producing metallized substrate, and metallized substrate
US-9301390-B2 · Mar 29, 2016 · US
Composite material, articles comprising same and method for making same
US-2016068444-A1 · Mar 10, 2016 · US
Method for Producing a Powdery Precursor Material, Powdery Precursor Material and Use Thereof
US-2016060517-A1 · Mar 3, 2016 · US
Composite material, part for continuous casting, continuous casting nozzle, continuous casting method, cast material, and magnesium alloy cast coil material
US-9254519-B2 · Feb 9, 2016 · US
Method for producing nitride phosphor, silicon nitride powder for nitride phosphor, and nitride phosphor
US-2016024379-A1 · Jan 28, 2016 · US
Conversion LED with high color rendition index
US-9234132-B2 · Jan 12, 2016 · US
Surface treated aluminum nitride baffle
US-9222172-B2 · Dec 29, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B35/581?
- CPC C04B35/581 is the Cooperative Patent Classification code for “based on aluminium nitride.”
- How many patents are filed under CPC C04B35/581 (based on aluminium nitride)?
- Our database includes 490 publications tagged with this CPC code.
- Is patent activity under CPC C04B35/581 growing?
- Publication counts under this code: 56 in 2024 vs 53 in 2025 (latest complete years).