- 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: 7869
10-year publication summary
|
622
|
593
|
764
|
852
|
897
|
1009
|
1007
|
994
|
853
|
255
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
344 |
| Apple Inc. | 50209 |
320 |
| Bose Corporation | 2880 |
268 |
| LG Display Co., Ltd. | 11907 |
206 |
| Goertek Inc. | 2477 |
196 |
| AAC Technologies Pte. Ltd. | 1436 |
180 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
162 |
| Yamaha Corporation | 4054 |
135 |
| Harman International Industries, Incorporated | 2443 |
128 |
| Sony Corporation | 32931 |
124 |
| AAC Microtech (Changzhou) Co., Ltd. | 458 |
112 |
| LG Electronics Inc. | 69257 |
109 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
109 |
| Kyocera Corporation | 12735 |
108 |
| Shenzhen Shokz Co., Ltd. | 629 |
107 |
| Google LLC | 38759 |
105 |
| Amazon Technologies, Inc. | 24422 |
77 |
| Samsung Display Co., Ltd. | 30585 |
70 |
| Pioneer Corporation | 4843 |
70 |
| Tohoku Pioneer Corporation | 477 |
61 |
| Other owners | 4878 |