- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 3/14 - Cross-over networks
Patent holdings for IPC class H04R 3/14
Total number of patents in this class: 388
10-year publication summary
|
19
|
37
|
81
|
52
|
50
|
49
|
26
|
32
|
26
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2274 |
25 |
| Sony Corporation | 32931 |
22 |
| Dolby Laboratories Licensing Corporation | 3883 |
18 |
| Harman International Industries, Incorporated | 2443 |
17 |
| Boomcloud 360 Inc. | 69 |
16 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Apple Inc. | 50209 |
11 |
| LG Display Co., Ltd. | 11907 |
11 |
| Sony Group Corporation | 10730 |
10 |
| Yamaha Corporation | 4054 |
8 |
| University of Rochester | 1243 |
8 |
| Bose Corporation | 2880 |
7 |
| DTS, Inc. | 381 |
6 |
| Immerz, Inc. | 18 |
6 |
| Koninklijke Philips Electronics N.V. | 13133 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Blueprint Acoustics Pty Ltd | 16 |
4 |
| Cochlear Limited | 1619 |
4 |
| HM Electronics, Inc. | 71 |
4 |
| Immersion Corporation | 586 |
4 |
| Other owners | 188 |