- 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: 1396
10-year publication summary
|
117
|
136
|
109
|
84
|
59
|
47
|
38
|
36
|
23
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4369 |
55 |
| Cirrus Logic, Inc. | 1801 |
46 |
| Sonos, Inc. | 2886 |
45 |
| Yamaha Corporation | 4087 |
41 |
| Samsung Electronics Co., Ltd. | 158842 |
39 |
| Qualcomm Incorporated | 93172 |
38 |
| Apple Inc. | 59177 |
34 |
| Skyworks Solutions, Inc. | 3980 |
30 |
| Texas Instruments Incorporated | 19639 |
25 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5285 |
20 |
| Dolby International AB | 1012 |
19 |
| Qorvo US, Inc. | 2418 |
18 |
| Avago Technologies International Sales Pte. Limited | 8534 |
18 |
| Analog Devices, Inc. | 3321 |
17 |
| Sony Corporation | 30080 |
16 |
| Bose Corporation | 3096 |
15 |
| DTS, Inc. | 379 |
14 |
| Murata Manufacturing Co., Ltd. | 25893 |
13 |
| Microsoft Technology Licensing, LLC | 54554 |
12 |
| Cirrus Logic International Semiconductor Ltd. | 926 |
12 |
| Other owners | 869 |