Audio device and control method thereof
US-12438989-B2 · Oct 7, 2025 · US
Wired systems · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04H20/76 |
| Official title | Wired systems |
| Display label | Wired systems |
| Total patents | 35 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12438989-B2 · Oct 7, 2025 · US
US-12363848-B2 · Jul 15, 2025 · US
US-2025080658-A1 · Mar 6, 2025 · US
US-12003315-B2 · Jun 4, 2024 · US
US-2024048259-A1 · Feb 8, 2024 · US
US-2023187800-A1 · Jun 15, 2023 · US
US-11671171-B2 · Jun 6, 2023 · US
US-2022385386-A1 · Dec 1, 2022 · US
US-11483600-B2 · Oct 25, 2022 · US
US-2022116668-A1 · Apr 14, 2022 · US
US-2021258070-A1 · Aug 19, 2021 · US
US-10892797-B2 · Jan 12, 2021 · US
US-10853587-B2 · Dec 1, 2020 · US
US-10848837-B2 · Nov 24, 2020 · US
US-2020220573-A1 · Jul 9, 2020 · US
US-2020084516-A1 · Mar 12, 2020 · US
US-10341148-B2 · Jul 2, 2019 · US
US-2019068415-A1 · Feb 28, 2019 · US
US-10116416-B2 · Oct 30, 2018 · US
US-10050724-B2 · Aug 14, 2018 · US
Answers are generated from the same data shown on this page.