- 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: 1102
10-year publication summary
|
55
|
118
|
138
|
126
|
150
|
113
|
129
|
146
|
108
|
37
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
76 |
| Bose Corporation | 2880 |
43 |
| Harman International Industries, Incorporated | 2443 |
38 |
| Sonos, Inc. | 2274 |
28 |
| Microsoft Technology Licensing, LLC | 51439 |
26 |
| Yamaha Corporation | 4054 |
24 |
| Nokia Technologies Oy | 15057 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
20 |
| Goertek Inc. | 2477 |
19 |
| Amazon Technologies, Inc. | 24422 |
16 |
| Shure Acquisition Holdings, Inc. | 449 |
15 |
| Google LLC | 38759 |
14 |
| Dolby Laboratories Licensing Corporation | 3883 |
13 |
| Apple Inc. | 50209 |
11 |
| Hewlett-Packard Development Company, L.P. | 28538 |
11 |
| Huawei Technologies Co., Ltd. | 100781 |
11 |
| Tobii AB | 300 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| Panasonic Corporation | 20786 |
10 |
| Sony Corporation | 32931 |
9 |
| Other owners | 673 |