- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 3/04 - Manually-operated control in untuned amplifiers
Patent holdings for IPC class H03G 3/04
Total number of patents in this class: 59
10-year publication summary
|
8
|
8
|
11
|
5
|
5
|
2
|
2
|
1
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2633 |
19 |
| Yamaha Corporation | 4075 |
6 |
| Samsung Electronics Co., Ltd. | 147003 |
4 |
| International Business Machines Corporation | 61344 |
2 |
| Cisco Technology, Inc. | 19985 |
2 |
| Google LLC | 42379 |
2 |
| LG Electronics Inc. | 73383 |
1 |
| Toyota Motor Corporation | 32542 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
1 |
| Funai Electric Co., Ltd. | 524 |
1 |
| Motorola Solutions, Inc. | 4411 |
1 |
| Nintendo Co., Ltd. | 3150 |
1 |
| Inventec Corporation | 873 |
1 |
| Asustek Computer Inc. | 1831 |
1 |
| Charter Communications Operating, LLC | 1317 |
1 |
| Chung-Shan Institute of Science and Technology, Armaments Bureau, M.N.D | 6 |
1 |
| Haier US Appliance Solutions, Inc. | 3661 |
1 |
| Inventec (Pudong) Technology Corporation | 687 |
1 |
| Yahoo Japan Corporation | 140 |
1 |
| KOMET Amplification Group, LLC | 5 |
1 |
| Other owners | 10 |