- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 19/02 - Loudspeakers
Patent holdings for IPC class H04R 19/02
Total number of patents in this class: 434
10-year publication summary
|
44
|
32
|
34
|
34
|
45
|
42
|
37
|
39
|
34
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonicedge Ltd. | 28 |
16 |
| Infineon Technologies AG | 8209 |
15 |
| Sumitomo Riko Company Limited | 1051 |
15 |
| Brane Audio, LLC | 59 |
15 |
| xMEMS Labs, Inc. | 108 |
14 |
| Robert Bosch GmbH | 42614 |
12 |
| Yamaha Corporation | 4092 |
12 |
| USound GmbH | 83 |
12 |
| Audio Pixels Ltd. | 51 |
11 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1933 |
10 |
| Waves Audio Ltd. | 67 |
10 |
| Warwick Acoustics Limited | 15 |
10 |
| Turtle Beach Corporation | 69 |
9 |
| AAC Technologies (Nanjing) Co., Ltd. | 358 |
8 |
| Clean Energy Labs, LLC | 29 |
8 |
| AAC Kaitai Technologies (Wuhan) CO., LTD | 73 |
8 |
| Cirrus Logic, Inc. | 1769 |
7 |
| audio-technica Corporation | 324 |
7 |
| Goertek Inc. | 2653 |
7 |
| Warwick Audio Technologies Limited | 8 |
7 |
| Other owners | 221 |