- 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: 158
10-year publication summary
|
16
|
22
|
9
|
21
|
18
|
19
|
9
|
13
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Display Co., Ltd. | 14153 |
10 |
| Kyocera Corporation | 14199 |
10 |
| Pioneer Corporation | 4005 |
5 |
| Tohoku Pioneer Corporation | 470 |
5 |
| Goertek Inc. | 2733 |
5 |
| Hyundai Motor Company | 23323 |
4 |
| Polk Audio, LLC | 130 |
4 |
| Sony Corporation | 30568 |
3 |
| Robert Bosch GmbH | 43365 |
3 |
| Infineon Technologies AG | 8332 |
3 |
| B & W Group Ltd | 349 |
3 |
| Tymphany HK Limited | 111 |
3 |
| Agc, Inc. | 5178 |
3 |
| Samsung Electronics Co., Ltd. | 152016 |
2 |
| Apple Inc. | 57314 |
2 |
| International Business Machines Corporation | 62002 |
2 |
| Murata Manufacturing Co., Ltd. | 25296 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
2 |
| Dell Products L.P. | 15950 |
2 |
| Yamaha Corporation | 4068 |
2 |
| Other owners | 83 |