- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 29/00 - Monitoring arrangements; Testing arrangements
Patent holdings for IPC class H04R 29/00
Total number of patents in this class: 5464
10-year publication summary
|
534
|
665
|
616
|
556
|
549
|
484
|
436
|
373
|
305
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2462 |
375 |
| Samsung Electronics Co., Ltd. | 139001 |
171 |
| Cirrus Logic, Inc. | 1748 |
158 |
| Apple Inc. | 52750 |
139 |
| Bose Corporation | 2921 |
120 |
| Google LLC | 40853 |
112 |
| Harman International Industries, Incorporated | 2539 |
104 |
| Dolby Laboratories Licensing Corporation | 4057 |
91 |
| ST Portfolio Holdings, LLC | 254 |
81 |
| Yamaha Corporation | 4075 |
77 |
| Sony Corporation | 31541 |
65 |
| Microsoft Technology Licensing, LLC | 52886 |
63 |
| Goertek Inc. | 2591 |
61 |
| Nokia Technologies Oy | 16542 |
57 |
| Cirrus Logic International Semiconductor Ltd. | 826 |
51 |
| Qualcomm Incorporated | 81865 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
49 |
| Robert Bosch GmbH | 41786 |
48 |
| Amazon Technologies, Inc. | 25909 |
46 |
| Intel Corporation | 46126 |
45 |
| Other owners | 3501 |