- 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: 588
10-year publication summary
|
51
|
64
|
59
|
60
|
56
|
44
|
39
|
19
|
25
|
5
|
| 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 |
69 |
| Dolby International AB | 1076 |
36 |
| Sonos, Inc. | 2274 |
31 |
| Apple Inc. | 50209 |
23 |
| Yamaha Corporation | 4054 |
17 |
| Cirrus Logic, Inc. | 1719 |
13 |
| Bongiovi Acoustics LLC. | 92 |
13 |
| Bose Corporation | 2880 |
13 |
| Harman International Industries, Incorporated | 2443 |
11 |
| Texas Instruments Incorporated | 19376 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Sony Corporation | 32931 |
9 |
| DISH Technologies L.L.C. | 1666 |
9 |
| Dolby International AB | 422 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
7 |
| HTC Corporation | 2219 |
6 |
| Bitwave Private Limited | 50 |
6 |
| Devialet | 142 |
6 |
| DTS, Inc. | 381 |
6 |
| Harman Becker Automotive Systems GmbH | 645 |
6 |
| Other owners | 280 |