- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 9/06 - Loudspeakers
Patent holdings for IPC class H04R 9/06
Total number of patents in this class: 4123
10-year publication summary
|
146
|
222
|
300
|
350
|
383
|
679
|
660
|
466
|
310
|
164
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goertek Inc. | 2477 |
570 |
| AAC Technologies Pte. Ltd. | 1436 |
486 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
470 |
| Shenzhen Shokz Co., Ltd. | 629 |
236 |
| AAC Microtech (Changzhou) Co., Ltd. | 458 |
152 |
| Apple Inc. | 50209 |
121 |
| Bose Corporation | 2880 |
87 |
| Samsung Electronics Co., Ltd. | 131630 |
70 |
| LG Display Co., Ltd. | 11907 |
63 |
| Harman International Industries, Incorporated | 2443 |
63 |
| Huawei Technologies Co., Ltd. | 100781 |
60 |
| Google LLC | 38759 |
38 |
| Vivo Mobile Communication Co., Ltd. | 9833 |
32 |
| Pioneer Corporation | 4843 |
31 |
| Tohoku Pioneer Corporation | 477 |
31 |
| Shenzhen Voxtech Co., Ltd. | 98 |
25 |
| PSS Belgium N.V. | 96 |
24 |
| Panasonic Automotive Systems Co., Ltd. | 1440 |
24 |
| Sony Corporation | 32931 |
23 |
| AAC Technologies Pte. Ltd. | 48 |
23 |
| Other owners | 1494 |