- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public 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: 1159
10-year publication summary
|
118
|
138
|
126
|
150
|
113
|
128
|
148
|
112
|
106
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 138518 |
81 |
| Bose Corporation | 2921 |
44 |
| Harman International Industries, Incorporated | 2537 |
39 |
| Sonos, Inc. | 2454 |
30 |
| Microsoft Technology Licensing, LLC | 52891 |
26 |
| Yamaha Corporation | 4074 |
24 |
| Nokia Technologies Oy | 16490 |
24 |
| Goertek Inc. | 2588 |
20 |
| Shure Acquisition Holdings, Inc. | 489 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
17 |
| Amazon Technologies, Inc. | 25836 |
17 |
| Google LLC | 40754 |
15 |
| Dolby Laboratories Licensing Corporation | 4046 |
14 |
| Apple Inc. | 52607 |
13 |
| Hewlett-Packard Development Company, L.P. | 27476 |
12 |
| LG Electronics Inc. | 70898 |
11 |
| Huawei Technologies Co., Ltd. | 106498 |
11 |
| Sony Corporation | 31565 |
10 |
| Panasonic Corporation | 20327 |
10 |
| Tobii AB | 311 |
9 |
| Other owners | 714 |