- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 3/10 - Circuits for transducers for correcting frequency response of variable-resistance microphones
Patent holdings for IPC class H04R 3/10
Total number of patents in this class: 16
10-year publication summary
|
4
|
4
|
0
|
2
|
2
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cloud Microphones, LLC | 21 |
2 |
| Masimo Corporation | 1360 |
2 |
| Wizedsp Ltd. | 14 |
2 |
| Apple Inc. | 57718 |
1 |
| International Business Machines Corporation | 62111 |
1 |
| Hewlett-Packard Development Company, L.P. | 25415 |
1 |
| Marvell International Ltd. | 1129 |
1 |
| Fortemedia, Inc. | 135 |
1 |
| IBM United Kingdom Limited | 4118 |
1 |
| Tang Band Industries Co., Ltd. | 39 |
1 |
| Oticon A/S | 872 |
1 |
| Marvell Asia PTE, Ltd. | 6367 |
1 |
| Cavium International | 4800 |
1 |
| Other owners | 0 |