- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 9/24 - Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers having semiconductor devices
Patent holdings for IPC class H03G 9/24
Total number of patents in this class: 25
10-year publication summary
|
1
|
0
|
6
|
1
|
13
|
1
|
2
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 3883 |
18 |
| Mimi Hearing Technologies GmbH | 57 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Fujitsu Limited | 19265 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| DTS, Inc. | 381 |
1 |
| Psemi Corporation | 898 |
1 |
| Other owners | 0 |