- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 5/02 - Manually-operated control
Patent holdings for IPC class H03G 5/02
Total number of patents in this class: 150
10-year publication summary
|
9
|
14
|
17
|
23
|
25
|
11
|
16
|
10
|
4
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2274 |
13 |
| Dolby Laboratories Licensing Corporation | 3883 |
11 |
| Apple Inc. | 50209 |
6 |
| Bongiovi Acoustics LLC. | 92 |
6 |
| Yamaha Corporation | 4054 |
5 |
| Amazon Technologies, Inc. | 24422 |
5 |
| Koss Corporation | 134 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
4 |
| Clarion Co., Ltd. | 896 |
4 |
| Harman International Industries, Incorporated | 2443 |
4 |
| Sony Group Corporation | 10730 |
4 |
| Sony Corporation | 32931 |
3 |
| Bitwave Private Limited | 50 |
3 |
| THAT Corporation | 62 |
3 |
| TOA Corporation | 130 |
3 |
| NEC Corporation | 32703 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| JVC Kenwood Corporation | 2774 |
2 |
| Airoha Technology Corp. | 174 |
2 |
| Other owners | 61 |