- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 1/00 - LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS - Details of transducers
Patent holdings for IPC class H04R 1/00
Total number of patents in this class: 1695
10-year publication summary
|
233
|
138
|
131
|
131
|
139
|
121
|
117
|
71
|
67
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 12735 |
78 |
| Sony Corporation | 32931 |
57 |
| Bose Corporation | 2880 |
50 |
| Apple Inc. | 50209 |
48 |
| Pioneer Corporation | 4843 |
40 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
37 |
| Shenzhen Shokz Co., Ltd. | 629 |
34 |
| AAC Technologies Pte. Ltd. | 1436 |
32 |
| Yamaha Corporation | 4054 |
31 |
| Nitto Denko Corporation | 7879 |
29 |
| TEMCO Japan Co., Ltd. | 38 |
29 |
| Samsung Electronics Co., Ltd. | 131630 |
24 |
| Harman International Industries, Incorporated | 2443 |
24 |
| Panasonic Corporation | 20786 |
22 |
| Tohoku Pioneer Corporation | 477 |
20 |
| Audio Pixels Ltd. | 49 |
19 |
| Harman Becker Automotive Systems GmbH | 645 |
17 |
| Agc, Inc. | 4029 |
15 |
| Panasonic Automotive Systems Co., Ltd. | 1440 |
15 |
| Sony Group Corporation | 10730 |
14 |
| Other owners | 1060 |