- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 1/02 - CasingsCabinetsMountings therein
Patent holdings for IPC class H04R 1/02
Total number of patents in this class: 8875
10-year publication summary
|
587
|
752
|
844
|
888
|
1006
|
1011
|
1007
|
878
|
786
|
663
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 148649 |
417 |
| Apple Inc. | 56070 |
358 |
| Bose Corporation | 3014 |
280 |
| LG Display Co., Ltd. | 13849 |
257 |
| Goertek Inc. | 2685 |
203 |
| Shenzhen Shokz Co., Ltd. | 1159 |
184 |
| AAC Technologies Pte. Ltd. | 1469 |
179 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1961 |
173 |
| AAC Microtech (Changzhou) Co., Ltd. | 791 |
156 |
| Harman International Industries, Incorporated | 2691 |
142 |
| Yamaha Corporation | 4061 |
139 |
| LG Electronics Inc. | 73619 |
132 |
| Google LLC | 42942 |
122 |
| Sony Corporation | 30829 |
121 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
120 |
| Kyocera Corporation | 14034 |
105 |
| Amazon Technologies, Inc. | 27161 |
78 |
| Samsung Display Co., Ltd. | 35888 |
75 |
| Sony Group Corporation | 14438 |
69 |
| Pioneer Corporation | 4188 |
68 |
| Other owners | 5497 |