Thermal processing techniques for metallic materials
US-12426132-B2 · Sep 23, 2025 · US
Doping by irradiation with electromagnetic waves or by particle radiation
Doping by irradiation with electromagnetic waves or by particle radiation · 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 | C30B31/20 |
| Official title | Doping by irradiation with electromagnetic waves or by particle radiation |
| Display label | Doping by irradiation with electromagnetic waves or by particle radiation |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Single crystal composite synthetic diamond material
US-12234570-B2 · Feb 25, 2025 · US
Diamond sensor
US-2025060430-A1 · Feb 20, 2025 · US
Void defect forming method, device, and diamond manufacturing method
US-2024410083-A1 · Dec 12, 2024 · US
Method for producing wafers with modification lines of defined orientation
US-12159805-B2 · Dec 3, 2024 · US
Single crystal synthetic diamond material
US-12037702-B2 · Jul 16, 2024 · US
Laser method and apparatus for analysing crystals
US-12019020-B2 · Jun 25, 2024 · US
Method of fluorescent nanodiamonds production
US-12012537-B2 · Jun 18, 2024 · US
Single crystal synthetic diamond material
US-2024060210-A1 · Feb 22, 2024 · US
Method for reducing the thickness of solid-state layers provided with components
US-11869810-B2 · Jan 9, 2024 · US
Single crystal synthetic diamond material
US-11821107-B2 · Nov 21, 2023 · US
Nitrogen containing single crystal diamond materials optimized for magnetometry applications
US-11396715-B2 · Jul 26, 2022 · US
Single crystal synthetic diamond material
US-2022154366-A1 · May 19, 2022 · US
Single crystal composite synthetic diamond material
US-2022154368-A1 · May 19, 2022 · US
Diamond tool piece
US-11253925-B2 · Feb 22, 2022 · US
Apparatus and method for neutron transmutation doping of semiconductor wafers
US-11250966-B2 · Feb 15, 2022 · US
Method of fluorescent nanodiamonds production
US-2021371742-A1 · Dec 2, 2021 · US
Laser Method and Apparatus for Analysing Crystals
US-2021341387-A1 · Nov 4, 2021 · US
Method for Reducing the Thickness of Solid-State Layers Provided with Components
US-2021197314-A1 · Jul 1, 2021 · US
Nitrogen containing single crystal diamond materials optimized for magnetometry applications
US-2021054526-A1 · Feb 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C30B31/20?
- CPC C30B31/20 is the Cooperative Patent Classification code for “Doping by irradiation with electromagnetic waves or by particle radiation.”
- How many patents are filed under CPC C30B31/20 (Doping by irradiation with electromagnetic waves or by particle radiation)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C30B31/20 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).