- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 1/32 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
Patent holdings for IPC class H04R 1/32
Total number of patents in this class: 1308
10-year publication summary
|
138
|
126
|
150
|
113
|
128
|
150
|
114
|
115
|
87
|
69
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157719 |
95 |
| Bose Corporation | 3092 |
45 |
| Harman International Industries, Incorporated | 2877 |
42 |
| Sonos, Inc. | 2859 |
33 |
| Microsoft Technology Licensing, LLC | 54466 |
26 |
| Yamaha Corporation | 4074 |
25 |
| Nokia Technologies Oy | 21106 |
25 |
| Amazon Technologies, Inc. | 28087 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
21 |
| Goertek Inc. | 2821 |
21 |
| Apple Inc. | 58742 |
19 |
| Shure Acquisition Holdings, Inc. | 568 |
19 |
| Dolby Laboratories Licensing Corporation | 4320 |
16 |
| Google LLC | 44482 |
16 |
| Shenzhen Shokz Co., Ltd. | 1410 |
15 |
| Hewlett-Packard Development Company, L.P. | 25184 |
12 |
| Sony Group Corporation | 15642 |
12 |
| LG Electronics Inc. | 75694 |
11 |
| Huawei Technologies Co., Ltd. | 123385 |
11 |
| Sony Interactive Entertainment Inc. | 6429 |
11 |
| Other owners | 811 |