- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 1/00 - Details of transducers
Patent holdings for IPC class H04R 1/00
Total number of patents in this class: 1737
10-year publication summary
|
139
|
131
|
131
|
139
|
121
|
117
|
75
|
75
|
61
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13831 |
77 |
| Sony Corporation | 31036 |
56 |
| Apple Inc. | 54937 |
50 |
| Bose Corporation | 2993 |
50 |
| Pioneer Corporation | 4345 |
40 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
39 |
| Shenzhen Shokz Co., Ltd. | 1113 |
36 |
| Yamaha Corporation | 4089 |
32 |
| Nitto Denko Corporation | 8241 |
31 |
| TEMCO Japan Co., Ltd. | 40 |
31 |
| AAC Technologies Pte. Ltd. | 1463 |
30 |
| Harman International Industries, Incorporated | 2652 |
26 |
| Samsung Electronics Co., Ltd. | 146346 |
24 |
| Agc, Inc. | 4845 |
22 |
| Tohoku Pioneer Corporation | 475 |
21 |
| Panasonic Corporation | 20099 |
19 |
| Audio Pixels Ltd. | 51 |
19 |
| Foster Electric Company, Limited | 181 |
19 |
| Sony Group Corporation | 13851 |
17 |
| Harman Becker Automotive Systems GmbH | 647 |
15 |
| Other owners | 1083 |