- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public 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: 281
10-year publication summary
|
14
|
29
|
31
|
45
|
31
|
27
|
28
|
35
|
27
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goertek Inc. | 2477 |
28 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
10 |
| xMEMS Labs, Inc. | 76 |
10 |
| Infineon Technologies AG | 8189 |
9 |
| Knowles Electronics, LLC | 597 |
9 |
| Qualcomm Technologies, Inc. | 235 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Bose Corporation | 2880 |
7 |
| Agc, Inc. | 4029 |
7 |
| LG Display Co., Ltd. | 11907 |
5 |
| AAC Technologies Pte. Ltd. | 1436 |
5 |
| Hyundai Motor Company | 19021 |
4 |
| Dai-Ichi Seiko Co., Ltd. | 289 |
4 |
| Shenzhen Shokz Co., Ltd. | 629 |
4 |
| Panasonic Automotive Systems Co., Ltd. | 1440 |
4 |
| Samsung Display Co., Ltd. | 30585 |
3 |
| FUJIFILM Corporation | 27102 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| STMicroelectronics S.r.l. | 3693 |
3 |
| Kia Motors Corporation | 7946 |
3 |
| Other owners | 145 |