- 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: 8695
10-year publication summary
|
593
|
764
|
852
|
897
|
1009
|
1019
|
1013
|
879
|
782
|
458
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 145630 |
403 |
| Apple Inc. | 54714 |
346 |
| Bose Corporation | 2984 |
277 |
| LG Display Co., Ltd. | 13401 |
246 |
| Goertek Inc. | 2654 |
203 |
| AAC Technologies Pte. Ltd. | 1461 |
178 |
| Shenzhen Shokz Co., Ltd. | 1106 |
176 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1938 |
169 |
| AAC Microtech (Changzhou) Co., Ltd. | 746 |
148 |
| Yamaha Corporation | 4087 |
140 |
| Harman International Industries, Incorporated | 2639 |
138 |
| LG Electronics Inc. | 72890 |
128 |
| Sony Corporation | 31080 |
121 |
| Google LLC | 42096 |
121 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
118 |
| Kyocera Corporation | 13792 |
105 |
| Amazon Technologies, Inc. | 26625 |
78 |
| Samsung Display Co., Ltd. | 34595 |
74 |
| Pioneer Corporation | 4370 |
68 |
| Sony Group Corporation | 13751 |
65 |
| Other owners | 5393 |