- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 7/18 - Mounting or tensioning of diaphragms or cones at the periphery
Patent holdings for IPC class H04R 7/18
Total number of patents in this class: 939
10-year publication summary
|
69
|
112
|
68
|
95
|
54
|
89
|
87
|
108
|
90
|
73
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Microtech (Changzhou) Co., Ltd. | 1034 |
95 |
| AAC Technologies Pte. Ltd. | 1505 |
53 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2027 |
48 |
| Goertek Inc. | 2839 |
45 |
| Apple Inc. | 59177 |
30 |
| Pioneer Corporation | 3761 |
27 |
| Tohoku Pioneer Corporation | 463 |
27 |
| Shenzhen Shokz Co., Ltd. | 1426 |
26 |
| Bose Corporation | 3096 |
24 |
| PSS Belgium N.V. | 136 |
21 |
| Merry Electronics (Suzhou) Co., Ltd. | 54 |
15 |
| Panasonic Automotive Systems Co., Ltd. | 2106 |
14 |
| Samsung Electronics Co., Ltd. | 158842 |
13 |
| Knowles Electronics, LLC | 593 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
12 |
| Infineon Technologies AG | 8418 |
11 |
| Murata Manufacturing Co., Ltd. | 25893 |
9 |
| Harman International Industries, Incorporated | 2892 |
9 |
| xMEMS Labs, Inc. | 133 |
9 |
| Panasonic Corporation | 18751 |
8 |
| Other owners | 430 |