- 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: 1204
10-year publication summary
|
118
|
138
|
126
|
150
|
113
|
128
|
149
|
114
|
111
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 144143 |
87 |
| Bose Corporation | 2963 |
44 |
| Harman International Industries, Incorporated | 2612 |
40 |
| Sonos, Inc. | 2558 |
31 |
| Microsoft Technology Licensing, LLC | 53512 |
26 |
| Yamaha Corporation | 4092 |
25 |
| Nokia Technologies Oy | 17558 |
24 |
| Goertek Inc. | 2650 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
18 |
| Shure Acquisition Holdings, Inc. | 515 |
18 |
| Amazon Technologies, Inc. | 26466 |
17 |
| Dolby Laboratories Licensing Corporation | 4093 |
15 |
| Google LLC | 41828 |
15 |
| Apple Inc. | 54479 |
14 |
| Hewlett-Packard Development Company, L.P. | 25954 |
12 |
| LG Electronics Inc. | 72473 |
11 |
| Huawei Technologies Co., Ltd. | 110995 |
11 |
| Sony Corporation | 31148 |
10 |
| Panasonic Corporation | 20173 |
10 |
| Tobii AB | 311 |
9 |
| Other owners | 746 |