- 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: 349
10-year publication summary
|
38
|
36
|
48
|
30
|
39
|
45
|
37
|
34
|
20
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Shokz Co., Ltd. | 1414 |
16 |
| Intel Corporation | 47162 |
11 |
| Cochlear Limited | 2014 |
11 |
| Sonitus Medical (Shanghai) Co., Ltd. | 65 |
11 |
| FUJIFILM Corporation | 30628 |
8 |
| Harman International Industries, Incorporated | 2890 |
7 |
| StratoScientific, Inc. | 16 |
7 |
| Kyocera Corporation | 14433 |
6 |
| Google LLC | 44674 |
6 |
| Masimo Corporation | 1378 |
6 |
| META Platforms Technologies, LLC | 6506 |
6 |
| NEC Corporation | 37227 |
5 |
| Yamaha Corporation | 4086 |
5 |
| Amazon Technologies, Inc. | 28216 |
5 |
| Georgia Tech Research Corporation | 2964 |
5 |
| Sanolla Ltd. | 11 |
5 |
| Eko Health, Inc. | 61 |
5 |
| Apple Inc. | 59117 |
4 |
| Murata Manufacturing Co., Ltd. | 25847 |
4 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2027 |
4 |
| Other owners | 212 |