- 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: 1752
10-year publication summary
|
131
|
131
|
139
|
121
|
117
|
75
|
78
|
66
|
54
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14359 |
78 |
| Sony Corporation | 30181 |
55 |
| Apple Inc. | 58742 |
50 |
| Bose Corporation | 3092 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
40 |
| Pioneer Corporation | 3779 |
39 |
| Shenzhen Shokz Co., Ltd. | 1410 |
37 |
| Nitto Denko Corporation | 8536 |
32 |
| Yamaha Corporation | 4074 |
32 |
| AAC Technologies Pte. Ltd. | 1505 |
30 |
| Harman International Industries, Incorporated | 2877 |
27 |
| TEMCO Japan Co., Ltd. | 36 |
27 |
| Agc, Inc. | 5524 |
27 |
| Samsung Electronics Co., Ltd. | 157719 |
25 |
| Foster Electric Company, Limited | 198 |
22 |
| Sony Group Corporation | 15642 |
22 |
| Tohoku Pioneer Corporation | 467 |
21 |
| Panasonic Corporation | 19019 |
18 |
| Audio Pixels Ltd. | 48 |
18 |
| Harman Becker Automotive Systems GmbH | 689 |
15 |
| Other owners | 1087 |