- 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: 1738
10-year publication summary
|
137
|
129
|
129
|
136
|
119
|
113
|
73
|
74
|
63
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13930 |
77 |
| Sony Corporation | 30929 |
55 |
| Apple Inc. | 55446 |
50 |
| Bose Corporation | 2997 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
39 |
| Pioneer Corporation | 4294 |
39 |
| Shenzhen Shokz Co., Ltd. | 1141 |
36 |
| Yamaha Corporation | 4082 |
32 |
| Nitto Denko Corporation | 8295 |
30 |
| TEMCO Japan Co., Ltd. | 40 |
30 |
| AAC Technologies Pte. Ltd. | 1467 |
30 |
| Harman International Industries, Incorporated | 2663 |
27 |
| Samsung Electronics Co., Ltd. | 147622 |
26 |
| Agc, Inc. | 4922 |
22 |
| Tohoku Pioneer Corporation | 475 |
21 |
| Panasonic Corporation | 20042 |
19 |
| Audio Pixels Ltd. | 51 |
19 |
| Foster Electric Company, Limited | 181 |
19 |
| Sony Group Corporation | 14138 |
17 |
| Harman Becker Automotive Systems GmbH | 652 |
15 |
| Other owners | 1085 |