- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 3/14 - Cross-over networks
Patent holdings for IPC class H04R 3/14
Total number of patents in this class: 427
10-year publication summary
|
80
|
52
|
49
|
49
|
26
|
35
|
27
|
35
|
22
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2736 |
28 |
| Sony Corporation | 30634 |
22 |
| Dolby Laboratories Licensing Corporation | 4231 |
20 |
| Harman International Industries, Incorporated | 2739 |
19 |
| Boomcloud 360 Inc. | 75 |
18 |
| Samsung Electronics Co., Ltd. | 151017 |
17 |
| LG Display Co., Ltd. | 14035 |
12 |
| Apple Inc. | 56891 |
11 |
| Sony Group Corporation | 14843 |
11 |
| University of Rochester | 1330 |
9 |
| Yamaha Corporation | 4066 |
8 |
| Bose Corporation | 3058 |
8 |
| DTS, Inc. | 380 |
6 |
| Immerz, Inc. | 19 |
6 |
| Realtek Semiconductor Corp. | 3387 |
5 |
| Cochlear Limited | 1933 |
5 |
| HM Electronics, Inc. | 65 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
4 |
| Blueprint Acoustics Pty Ltd | 16 |
4 |
| Focal Jmlab | 67 |
4 |
| Other owners | 205 |