- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 9/14 - Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control
Patent holdings for IPC class H03G 9/14
Total number of patents in this class: 41
10-year publication summary
|
6
|
4
|
15
|
3
|
2
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4261 |
20 |
| Bongiovi Acoustics LLC. | 76 |
6 |
| META Platforms, Inc. | 6912 |
4 |
| Samsung Electronics Co., Ltd. | 153357 |
2 |
| Bose Corporation | 3075 |
2 |
| Dolby International AB | 1028 |
2 |
| Sony Corporation | 30451 |
1 |
| Sony Ericsson Mobile Communications AB | 1535 |
1 |
| Motorola Solutions, Inc. | 4515 |
1 |
| Atos Medical AB | 41 |
1 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22479 |
1 |
| Other owners | 0 |