- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/20 - Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
Patent holdings for IPC class H04B 1/20
Total number of patents in this class: 200
10-year publication summary
|
22
|
13
|
12
|
14
|
16
|
8
|
2
|
10
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2573 |
18 |
| Universal Electronics Inc. | 851 |
12 |
| Shure Acquisition Holdings, Inc. | 515 |
10 |
| Yamaha Corporation | 4092 |
6 |
| Chestnut Hill Sound, Inc. | 7 |
5 |
| Apple Inc. | 54610 |
4 |
| LG Electronics Inc. | 72737 |
4 |
| Sony Corporation | 31107 |
4 |
| Nokia Technologies Oy | 17637 |
4 |
| Bose Corporation | 2980 |
4 |
| Adeia Media Holdings LLC | 602 |
4 |
| Koninklijke Philips Electronics N.V. | 9805 |
3 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4920 |
3 |
| Gentex Corporation | 1889 |
3 |
| Google LLC | 42004 |
3 |
| Airborne Media Group | 3 |
3 |
| Samsung Electronics Co., Ltd. | 145025 |
2 |
| Honeywell International Inc. | 13522 |
2 |
| Intel Corporation | 46893 |
2 |
| Thomson Licensing | 3642 |
2 |
| Other owners | 102 |