- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 1/26 - Spatial arrangement of separate transducers responsive to two or more frequency ranges
Patent holdings for IPC class H04R 1/26
Total number of patents in this class: 651
10-year publication summary
|
52
|
65
|
76
|
51
|
63
|
71
|
64
|
65
|
55
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Shokz Co., Ltd. | 1119 |
57 |
| Apple Inc. | 55174 |
38 |
| LG Display Co., Ltd. | 13596 |
31 |
| Bose Corporation | 2999 |
30 |
| Samsung Electronics Co., Ltd. | 146811 |
28 |
| Dolby Laboratories Licensing Corporation | 4135 |
22 |
| Sony Corporation | 31025 |
21 |
| Sony Group Corporation | 13918 |
19 |
| Harman International Industries, Incorporated | 2652 |
16 |
| Sonos, Inc. | 2627 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
8 |
| Yamaha Corporation | 4080 |
7 |
| Nokia Technologies Oy | 18116 |
7 |
| LG Electronics Inc. | 73344 |
6 |
| NEC Corporation | 35778 |
6 |
| Nippon Telegraph and Telephone Corporation | 17362 |
6 |
| Brane Audio, LLC | 60 |
6 |
| Earlens Corporation | 147 |
5 |
| Harman Becker Automotive Systems GmbH | 649 |
5 |
| Martin Audio Limited | 66 |
5 |
| Other owners | 317 |