Dielectric composition, dielectric thin film, dielectric element, and electronic circuit board
US-11524897-B2 · Dec 13, 2022 · US
Oxynitrides of metals, boron or silicon
Oxynitrides of metals, boron or silicon · 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 | C01B21/0821 |
| Official title | {Oxynitrides of metals, boron or silicon} |
| Display label | Oxynitrides of metals, boron or silicon |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 12 |
| 2024 | 5 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gallium oxynitride-zinc oxide photoelectrode for solar water splitting
US-11427919-B2 · Aug 30, 2022 · US
Sintered body, method for producing same, and dielectric composition
US-2022194861-A1 · Jun 23, 2022 · US
Solid-state electrolyte, solid-state battery including the electrolyte, and method of making the same
US-2022166053-A1 · May 26, 2022 · US
Carbon cloth/gallium oxynitride and working electrode and supercapacitor thereof
US-2022139638-A1 · May 5, 2022 · US
Phosphor and light-emitting equipment using phosphor
US-2022056339-A1 · Feb 24, 2022 · US
Amorphous nitrogen-rich solid state lithium electrolyte
US-2022013806-A1 · Jan 13, 2022 · US
Bilayer component for a lithium battery
US-2021305621-A1 · Sep 30, 2021 · US
Liquid for nitriding treatment, nitrided metal oxide manufacturing method, and nitrided indium oxide film
US-2021292168-A1 · Sep 23, 2021 · US
Dielectric composition, dielectric thin film, dielectric element, and electronic circuit board
US-2021276868-A1 · Sep 9, 2021 · US
Phosphor and light-emitting equipment using phosphor
US-11084980-B2 · Aug 10, 2021 · US
Dielectric thin film, capacitor element, and electronic circuit board
US-2021238037-A1 · Aug 5, 2021 · US
Metal oxynitride thin film, process for producing metal oxynitride thin film, and capacitor element
US-11078123-B2 · Aug 3, 2021 · US
Anode materials for and methods of making and using same
US-2021126254-A1 · Apr 29, 2021 · US
Haber-bosch catalyst comprising an anion-vacant lattice
US-2021114005-A1 · Apr 22, 2021 · US
Method for manufacturing negative active material, and negative active material and lithium secondary battery using same
US-10971754-B2 · Apr 6, 2021 · US
Synthesis of metal oxynitrides using flame spray pyrolysis
US-10899616-B2 · Jan 26, 2021 · US
Synthesis of Metal Oxynitrides Using Flame Spray Pyrolysis
US-2020399126-A1 · Dec 24, 2020 · US
Method for preparing photomask blank, photomask blank, method for preparing photomask, photomask, and metallic chromium target
US-10782608-B2 · Sep 22, 2020 · US
Polycrystalline dielectric thin film and capacitor element
US-10707018-B2 · Jul 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B21/0821?
- CPC C01B21/0821 is the Cooperative Patent Classification code for “Oxynitrides of metals, boron or silicon.”
- How many patents are filed under CPC C01B21/0821 (Oxynitrides of metals, boron or silicon)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC C01B21/0821 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).