- 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: 600
10-year publication summary
|
64
|
59
|
58
|
56
|
43
|
39
|
19
|
27
|
20
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4207 |
78 |
| Sonos, Inc. | 2712 |
36 |
| Dolby International AB | 1028 |
35 |
| Apple Inc. | 56547 |
21 |
| Yamaha Corporation | 4064 |
17 |
| Bose Corporation | 3034 |
15 |
| Dolby International AB | 726 |
15 |
| Cirrus Logic, Inc. | 1790 |
13 |
| Harman International Industries, Incorporated | 2717 |
12 |
| Bongiovi Acoustics LLC. | 76 |
10 |
| Sony Corporation | 30760 |
9 |
| Texas Instruments Incorporated | 19493 |
9 |
| DISH Technologies L.L.C. | 1607 |
9 |
| Samsung Electronics Co., Ltd. | 149362 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5090 |
7 |
| Devialet | 146 |
6 |
| DTS, Inc. | 380 |
6 |
| Gracenote, Inc. | 488 |
6 |
| Harman Becker Automotive Systems GmbH | 666 |
6 |
| Gaudio Lab, Inc. | 53 |
6 |
| Other owners | 276 |