- 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: 1745
10-year publication summary
|
129
|
129
|
136
|
119
|
113
|
73
|
74
|
64
|
52
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14158 |
78 |
| Sony Corporation | 30634 |
55 |
| Apple Inc. | 56891 |
50 |
| Bose Corporation | 3058 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
40 |
| Pioneer Corporation | 4050 |
38 |
| Shenzhen Shokz Co., Ltd. | 1226 |
36 |
| Nitto Denko Corporation | 8399 |
31 |
| Yamaha Corporation | 4066 |
31 |
| AAC Technologies Pte. Ltd. | 1488 |
30 |
| TEMCO Japan Co., Ltd. | 39 |
29 |
| Harman International Industries, Incorporated | 2739 |
27 |
| Samsung Electronics Co., Ltd. | 151017 |
26 |
| Agc, Inc. | 5129 |
24 |
| Tohoku Pioneer Corporation | 470 |
20 |
| Panasonic Corporation | 19890 |
19 |
| Audio Pixels Ltd. | 51 |
19 |
| Foster Electric Company, Limited | 188 |
19 |
| Sony Group Corporation | 14843 |
18 |
| Harman Becker Automotive Systems GmbH | 678 |
15 |
| Other owners | 1090 |