- 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: 1744
10-year publication summary
|
129
|
129
|
136
|
119
|
113
|
73
|
75
|
65
|
53
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14241 |
78 |
| Sony Corporation | 30440 |
55 |
| Apple Inc. | 58049 |
50 |
| Bose Corporation | 3077 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
40 |
| Pioneer Corporation | 3848 |
38 |
| Shenzhen Shokz Co., Ltd. | 1286 |
36 |
| Nitto Denko Corporation | 8466 |
31 |
| Yamaha Corporation | 4067 |
31 |
| AAC Technologies Pte. Ltd. | 1494 |
30 |
| Harman International Industries, Incorporated | 2797 |
27 |
| TEMCO Japan Co., Ltd. | 36 |
27 |
| Samsung Electronics Co., Ltd. | 153573 |
26 |
| Agc, Inc. | 5285 |
24 |
| Tohoku Pioneer Corporation | 469 |
20 |
| Foster Electric Company, Limited | 193 |
20 |
| Panasonic Corporation | 19680 |
19 |
| Audio Pixels Ltd. | 51 |
19 |
| Sony Group Corporation | 15148 |
18 |
| Harman Becker Automotive Systems GmbH | 683 |
15 |
| Other owners | 1090 |