- 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: 1378
10-year publication summary
|
143
|
105
|
155
|
132
|
154
|
128
|
136
|
132
|
111
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Shokz Co., Ltd. | 1226 |
105 |
| Samsung Electronics Co., Ltd. | 151017 |
93 |
| Bose Corporation | 3058 |
90 |
| Harman International Industries, Incorporated | 2739 |
55 |
| Apple Inc. | 56891 |
45 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
30 |
| Google LLC | 43386 |
27 |
| Sony Corporation | 30634 |
23 |
| Yamaha Corporation | 4066 |
23 |
| Nippon Telegraph and Telephone Corporation | 16264 |
21 |
| Sony Group Corporation | 14843 |
21 |
| Amazon Technologies, Inc. | 27447 |
19 |
| Dolby Laboratories Licensing Corporation | 4231 |
18 |
| Qsc, LLC | 193 |
15 |
| Sonos, Inc. | 2736 |
15 |
| LG Electronics Inc. | 74262 |
14 |
| META Platforms Technologies, LLC | 6149 |
14 |
| PSS Belgium N.V. | 124 |
12 |
| Pioneer Corporation | 4050 |
11 |
| Goertek Inc. | 2724 |
11 |
| Other owners | 716 |