Ceramic structure
US-2026035308-A1 · Feb 5, 2026 · US
Aluminium nitride
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 | C04B41/5063 |
| Official title | {Aluminium nitride} |
| Display label | Aluminium nitride |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ceramics with adaptive thermal coefficients and high fluorine resistance at high temperatures
US-2025376421-A1 · Dec 11, 2025 · US
Substrate Transfer Module and Method for Manufacturing Substrate Transfer Module
US-2025232994-A1 · Jul 17, 2025 · US
Cutting tool
US-12319996-B2 · Jun 3, 2025 · US
Glass, glass-ceramic and ceramic articles with graded protective coatings having hardness and strength
US-12297139-B2 · May 13, 2025 · US
Coated cutting tool
US-2025050426-A1 · Feb 13, 2025 · US
Cutting tool
US-12172221-B2 · Dec 24, 2024 · US
Composite ceramic substrate having multi-layer configuration
US-2024360043-A1 · Oct 31, 2024 · US
Coating layer with slow sio2 crystallization rate
US-2024294440-A1 · Sep 5, 2024 · US
Electrostatic chuck, electrostatic chuck heater comprising same, and semiconductor holding device
US-2024239716-A1 · Jul 18, 2024 · US
Glass, glass-ceramic and ceramic articles with graded protective coatings having hardness and strength
US-2024158293-A1 · May 16, 2024 · US
Coated cutting tool
US-11982000-B2 · May 14, 2024 · US
Cutting tool
US-11938548-B2 · Mar 26, 2024 · US
Glass, glass-ceramic and ceramic articles with graded protective coatings having hardness and strength
US-11905203-B2 · Feb 20, 2024 · US
Cutting tool
US-2023405686-A1 · Dec 21, 2023 · US
Cutting tool
US-2023398607-A1 · Dec 14, 2023 · US
Cubic boron nitride sintered material, tool comprising cubic boron nitride sintered material and method for manufacturing cubic boron nitride sintered material
US-11773030-B2 · Oct 3, 2023 · US
Coated cutting tool
US-2023203668-A1 · Jun 29, 2023 · US
Cubic boron nitride sintered material, tool comprising cubic boron nitride sintered material and method for manufacturing cubic boron nitride sintered material
US-2023192557-A1 · Jun 22, 2023 · US
Glass, glass-ceramic and ceramic articles with graded protective coatings having hardness and strength
US-2023167018-A1 · Jun 1, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/5063?
- CPC C04B41/5063 is the Cooperative Patent Classification code for “Aluminium nitride.”
- How many patents are filed under CPC C04B41/5063 (Aluminium nitride)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/5063 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).