- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 1/46 - Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
Patent holdings for IPC class H04R 1/46
Total number of patents in this class: 335
10-year publication summary
|
30
|
37
|
36
|
48
|
30
|
39
|
43
|
35
|
30
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Shokz Co., Ltd. | 1119 |
13 |
| Cochlear Limited | 1893 |
11 |
| Sonitus Medical (Shanghai) Co., Ltd. | 65 |
11 |
| Intel Corporation | 47051 |
10 |
| FUJIFILM Corporation | 29458 |
8 |
| Harman International Industries, Incorporated | 2655 |
7 |
| StratoScientific, Inc. | 18 |
7 |
| Kyocera Corporation | 13861 |
6 |
| Google LLC | 42379 |
6 |
| Masimo Corporation | 1334 |
6 |
| NEC Corporation | 35793 |
5 |
| Amazon Technologies, Inc. | 26796 |
5 |
| Sanolla Ltd. | 11 |
5 |
| META Platforms Technologies, LLC | 5861 |
5 |
| Eko Health, Inc. | 49 |
5 |
| Apple Inc. | 55229 |
4 |
| Yamaha Corporation | 4075 |
4 |
| Georgia Tech Research Corporation | 2749 |
4 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1950 |
4 |
| Comcast Cable Communications, LLC | 4718 |
4 |
| Other owners | 205 |