- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 7/00 - Volume compression or expansion in amplifiers
Patent holdings for IPC class H03G 7/00
Total number of patents in this class: 595
10-year publication summary
|
64
|
59
|
58
|
56
|
43
|
39
|
19
|
27
|
20
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4148 |
78 |
| Dolby International AB | 1027 |
35 |
| Sonos, Inc. | 2641 |
35 |
| Apple Inc. | 55387 |
21 |
| Yamaha Corporation | 4072 |
17 |
| Dolby International AB | 660 |
14 |
| Cirrus Logic, Inc. | 1779 |
13 |
| Bose Corporation | 3002 |
13 |
| Harman International Industries, Incorporated | 2658 |
12 |
| Bongiovi Acoustics LLC. | 77 |
10 |
| Sony Corporation | 30936 |
9 |
| Texas Instruments Incorporated | 19455 |
9 |
| DISH Technologies L.L.C. | 1608 |
9 |
| Samsung Electronics Co., Ltd. | 147501 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4997 |
7 |
| Devialet | 149 |
6 |
| DTS, Inc. | 381 |
6 |
| Gracenote, Inc. | 474 |
6 |
| Harman Becker Automotive Systems GmbH | 651 |
6 |
| Gaudio Lab, Inc. | 53 |
6 |
| Other owners | 275 |