- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 7/06 - Plane diaphragms comprising a plurality of sections or layers
Patent holdings for IPC class H04R 7/06
Total number of patents in this class: 355
10-year publication summary
|
31
|
45
|
31
|
27
|
28
|
35
|
29
|
46
|
30
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goertek Inc. | 2839 |
28 |
| xMEMS Labs, Inc. | 133 |
15 |
| Infineon Technologies AG | 8418 |
12 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2027 |
12 |
| AAC Microtech (Changzhou) Co., Ltd. | 1034 |
11 |
| Shenzhen Shokz Co., Ltd. | 1426 |
11 |
| Qualcomm Incorporated | 93172 |
9 |
| LG Display Co., Ltd. | 15038 |
9 |
| Agc, Inc. | 5626 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
7 |
| Bose Corporation | 3096 |
7 |
| Knowles Electronics, LLC | 593 |
7 |
| AAC Technologies Pte. Ltd. | 1505 |
7 |
| AAC Kaitai Technologies (Wuhan) CO., LTD | 111 |
5 |
| FUJIFILM Corporation | 30653 |
4 |
| Robert Bosch GmbH | 44291 |
4 |
| Hyundai Motor Company | 24898 |
4 |
| Dai-Ichi Seiko Co., Ltd. | 248 |
4 |
| InvenSense, Inc. | 1211 |
4 |
| Vibrant Microsystems Inc. | 17 |
4 |
| Other owners | 182 |