- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 3/00 - Gain control in amplifiers or frequency changers
Patent holdings for IPC class H03G 3/00
Total number of patents in this class: 1427
10-year publication summary
|
118
|
117
|
136
|
109
|
84
|
59
|
47
|
36
|
34
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4107 |
56 |
| Sonos, Inc. | 2565 |
49 |
| Cirrus Logic, Inc. | 1771 |
46 |
| Yamaha Corporation | 4094 |
41 |
| Samsung Electronics Co., Ltd. | 144675 |
38 |
| Qualcomm Incorporated | 84760 |
38 |
| Apple Inc. | 54577 |
36 |
| Skyworks Solutions, Inc. | 3708 |
30 |
| Texas Instruments Incorporated | 19481 |
23 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4914 |
20 |
| Avago Technologies International Sales Pte. Limited | 8805 |
19 |
| Dolby International AB | 1035 |
18 |
| Qorvo US, Inc. | 2203 |
18 |
| Sony Corporation | 31124 |
17 |
| Analog Devices, Inc. | 3390 |
17 |
| Bose Corporation | 2971 |
16 |
| DTS, Inc. | 382 |
14 |
| Murata Manufacturing Co., Ltd. | 24409 |
13 |
| Intel Corporation | 46833 |
12 |
| Microsoft Technology Licensing, LLC | 53577 |
12 |
| Other owners | 894 |