- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 1/02 - Casings; Cabinets; Mountings therein
Patent holdings for IPC class H04R 1/02
Total number of patents in this class: 7240
10-year publication summary
|
536
|
621
|
593
|
763
|
852
|
896
|
1007
|
984
|
954
|
189
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 121140 |
295 |
| Apple Inc. | 45799 |
273 |
| Bose Corporation | 2904 |
269 |
| AAC Technologies Pte. Ltd. | 1517 |
193 |
| Goertek Inc. | 2180 |
182 |
| LG Display Co., Ltd. | 11185 |
162 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1734 |
149 |
| Yamaha Corporation | 4011 |
132 |
| Sony Corporation | 36721 |
129 |
| Harman International Industries, Incorporated | 2323 |
122 |
| Panasonic Intellectual Property Management Co., Ltd. | 26449 |
119 |
| Kyocera Corporation | 12047 |
113 |
| LG Electronics Inc. | 67020 |
97 |
| Google LLC | 35465 |
95 |
| Amazon Technologies, Inc. | 23110 |
71 |
| Pioneer Corporation | 4962 |
70 |
| AAC Microtech (Changzhou) Co., Ltd. | 269 |
70 |
| Samsung Display Co., Ltd. | 27425 |
66 |
| Tohoku Pioneer Corporation | 485 |
61 |
| Shenzhen Shokz Co., Ltd. | 362 |
61 |
| Other owners | 4511 |