- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 19/02 - Loudspeakers
Patent holdings for IPC class H04R 19/02
Total number of patents in this class: 396
10-year publication summary
|
42
|
44
|
32
|
34
|
34
|
45
|
42
|
36
|
39
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonicedge Ltd. | 20 |
16 |
| Infineon Technologies AG | 8189 |
15 |
| Sumitomo Riko Company Limited | 962 |
15 |
| Brane Audio, LLC | 46 |
14 |
| Yamaha Corporation | 4054 |
13 |
| USound GmbH | 79 |
12 |
| xMEMS Labs, Inc. | 76 |
11 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
10 |
| Audio Pixels Ltd. | 49 |
10 |
| Turtle Beach Corporation | 72 |
9 |
| Cirrus Logic, Inc. | 1719 |
8 |
| AAC Technologies (Nanjing) Co., Ltd. | 242 |
8 |
| Clean Energy Labs, LLC | 35 |
8 |
| audio-technica Corporation | 252 |
7 |
| Goertek Inc. | 2477 |
7 |
| Warwick Audio Technologies Limited | 8 |
7 |
| Warwick Acoustics Limited | 12 |
7 |
| Shure Acquisition Holdings, Inc. | 449 |
6 |
| Waves Audio Ltd. | 61 |
6 |
| The Regents of the University of California | 18943 |
5 |
| Other owners | 202 |