- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 40/81 - Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast receiving for stereo-monaural switching
Patent holdings for IPC class H04H 40/81
Total number of patents in this class: 15
10-year publication summary
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0
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1
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0
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0
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0
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby International AB | 1029 |
5 |
| Sonos, Inc. | 2791 |
2 |
| Nokia Corporation | 5021 |
1 |
| Microsoft Technology Licensing, LLC | 54242 |
1 |
| Atmel Corporation | 833 |
1 |
| Semiconductor Ideas to the Market (ITOM) B.V. | 13 |
1 |
| Skyworks Solutions, Inc. | 3891 |
1 |
| TEAC Corporation | 110 |
1 |
| Marvell Asia PTE, Ltd. | 6347 |
1 |
| Cavium International | 4765 |
1 |
| Other owners | 0 |