- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 11/02 - Loudspeakers
Patent holdings for IPC class H04R 11/02
Total number of patents in this class: 489
10-year publication summary
|
55
|
49
|
55
|
37
|
33
|
30
|
22
|
26
|
18
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Knowles Electronics, LLC | 593 |
41 |
| Sonion Nederland B.V. | 166 |
25 |
| Apple Inc. | 58742 |
24 |
| Sony Corporation | 30181 |
24 |
| Bose Corporation | 3092 |
24 |
| Google LLC | 44482 |
16 |
| LG Display Co., Ltd. | 14966 |
15 |
| Brane Audio, LLC | 61 |
15 |
| Harman International Industries, Incorporated | 2877 |
14 |
| Huawei Technologies Co., Ltd. | 123385 |
13 |
| PS Audio Design Oy | 26 |
12 |
| Alps Electric Co., Ltd. | 758 |
10 |
| Cochlear Limited | 1998 |
10 |
| Rion Co., Ltd. | 83 |
9 |
| AAC Technologies Pte. Ltd. | 1505 |
9 |
| Alps Alpine Co., Ltd. | 2306 |
8 |
| Earlens Corporation | 142 |
7 |
| PSS Belgium N.V. | 133 |
6 |
| Panasonic Corporation | 19019 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4022 |
5 |
| Other owners | 197 |