- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 7/26 - Damping by means acting directly on free portion of diaphragm or cone
Patent holdings for IPC class H04R 7/26
Total number of patents in this class: 163
10-year publication summary
|
16
|
22
|
9
|
21
|
18
|
20
|
9
|
13
|
4
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Display Co., Ltd. | 14966 |
11 |
| Kyocera Corporation | 14359 |
10 |
| Pioneer Corporation | 3779 |
5 |
| Tohoku Pioneer Corporation | 467 |
5 |
| Goertek Inc. | 2821 |
5 |
| Hyundai Motor Company | 24653 |
4 |
| Polk Audio, LLC | 124 |
4 |
| Sony Corporation | 30181 |
3 |
| Robert Bosch GmbH | 44160 |
3 |
| Infineon Technologies AG | 8402 |
3 |
| Yamaha Corporation | 4074 |
3 |
| B & W Group Ltd | 351 |
3 |
| Knowles Electronics, LLC | 593 |
3 |
| Sony Interactive Entertainment Inc. | 6429 |
3 |
| Tymphany HK Limited | 120 |
3 |
| Agc, Inc. | 5524 |
3 |
| Samsung Electronics Co., Ltd. | 157719 |
2 |
| Apple Inc. | 58742 |
2 |
| International Business Machines Corporation | 62634 |
2 |
| Murata Manufacturing Co., Ltd. | 25744 |
2 |
| Other owners | 84 |