- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 1/34 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
Patent holdings for IPC class H04R 1/34
Total number of patents in this class: 1460
10-year publication summary
|
144
|
106
|
160
|
133
|
158
|
129
|
137
|
143
|
113
|
92
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Shokz Co., Ltd. | 1413 |
119 |
| Samsung Electronics Co., Ltd. | 157946 |
106 |
| Bose Corporation | 3092 |
92 |
| Harman International Industries, Incorporated | 2878 |
58 |
| Apple Inc. | 58885 |
45 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
33 |
| Google LLC | 44540 |
27 |
| Sony Corporation | 30158 |
23 |
| Yamaha Corporation | 4073 |
23 |
| Sony Group Corporation | 15697 |
22 |
| Amazon Technologies, Inc. | 28118 |
19 |
| Dolby Laboratories Licensing Corporation | 4328 |
18 |
| Sonos, Inc. | 2864 |
18 |
| Nippon Telegraph and Telephone Corporation | 15923 |
17 |
| Qsc, LLC | 209 |
16 |
| LG Electronics Inc. | 75818 |
15 |
| META Platforms Technologies, LLC | 6473 |
14 |
| PSS Belgium N.V. | 133 |
13 |
| Pioneer Corporation | 3777 |
11 |
| Goertek Inc. | 2825 |
11 |
| Other owners | 760 |