Aluminum nitride powder and method for manufacturing the same
US-12384678-B2 · Aug 12, 2025 · US
Preparation by carboreductive nitridation · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B21/0726 |
| Official title | {Preparation by carboreductive nitridation} |
| Display label | Preparation by carboreductive nitridation |
| Total patents | 36 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12384678-B2 · Aug 12, 2025 · US
US-2025187917-A1 · Jun 12, 2025 · US
US-2024199421-A1 · Jun 20, 2024 · US
US-2023312343-A1 · Oct 5, 2023 · US
US-2023217971-A1 · Jul 13, 2023 · US
US-11661494-B2 · May 30, 2023 · US
US-2023080620-A1 · Mar 16, 2023 · US
US-11602158-B2 · Mar 14, 2023 · US
US-2022153957-A1 · May 19, 2022 · US
US-11325830-B2 · May 10, 2022 · US
US-2022081531-A1 · Mar 17, 2022 · US
US-11136271-B2 · Oct 5, 2021 · US
US-11097948-B2 · Aug 24, 2021 · US
US-2021114876-A1 · Apr 22, 2021 · US
US-2021045417-A1 · Feb 18, 2021 · US
US-2020010374-A1 · Jan 9, 2020 · US
US-10508035-B2 · Dec 17, 2019 · US
US-10427939-B2 · Oct 1, 2019 · US
US-10400309-B2 · Sep 3, 2019 · US
US-2019261664-A1 · Aug 29, 2019 · US
Answers are generated from the same data shown on this page.