Electromagnetic wave absorber evaluation apparatus and electromagnetic wave absorber evaluation method
US-12555921-B2 · Feb 17, 2026 · US
Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05K9/0069 |
| Official title | {Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing} |
| Display label | Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing |
| Total patents | 49 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12555921-B2 · Feb 17, 2026 · US
US-2025351261-A1 · Nov 13, 2025 · US
US-2025351316-A1 · Nov 13, 2025 · US
US-12372550-B2 · Jul 29, 2025 · US
US-12289822-B2 · Apr 29, 2025 · US
US-12120859-B2 · Oct 15, 2024 · US
US-2024235051-A9 · Jul 11, 2024 · US
US-2024136731-A1 · Apr 25, 2024 · US
US-2024090122-A1 · Mar 14, 2024 · US
US-11729899-B2 · Aug 15, 2023 · US
US-2023209791-A1 · Jun 29, 2023 · US
US-11609254-B2 · Mar 21, 2023 · US
US-2023050818-A1 · Feb 16, 2023 · US
US-11523551-B2 · Dec 6, 2022 · US
US-2022349917-A1 · Nov 3, 2022 · US
US-11378608-B2 · Jul 5, 2022 · US
US-11381323-B1 · Jul 5, 2022 · US
US-2022167534-A1 · May 26, 2022 · US
US-11051397-B2 · Jun 29, 2021 · US
US-2021120666-A1 · Apr 22, 2021 · US
Answers are generated from the same data shown on this page.