- 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: 601
10-year publication summary
|
59
|
58
|
56
|
43
|
39
|
19
|
27
|
20
|
16
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4231 |
78 |
| Sonos, Inc. | 2736 |
36 |
| Dolby International AB | 1026 |
35 |
| Apple Inc. | 56891 |
21 |
| Yamaha Corporation | 4066 |
17 |
| Bose Corporation | 3058 |
15 |
| Dolby International AB | 737 |
15 |
| Cirrus Logic, Inc. | 1786 |
13 |
| Harman International Industries, Incorporated | 2739 |
12 |
| Texas Instruments Incorporated | 19555 |
10 |
| Bongiovi Acoustics LLC. | 76 |
10 |
| Sony Corporation | 30634 |
9 |
| DISH Technologies L.L.C. | 1607 |
9 |
| Samsung Electronics Co., Ltd. | 151017 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5155 |
7 |
| Devialet | 147 |
6 |
| DTS, Inc. | 380 |
6 |
| Gracenote, Inc. | 492 |
6 |
| Harman Becker Automotive Systems GmbH | 678 |
6 |
| Gaudio Lab, Inc. | 53 |
6 |
| Other owners | 276 |