- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/19 - Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmissionMouthpieces or receivers specially adapted therefor
Patent holdings for IPC class H04M 1/19
Total number of patents in this class: 145
10-year publication summary
|
14
|
8
|
13
|
5
|
13
|
10
|
9
|
7
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 120098 |
18 |
| ZTE Corporation | 43598 |
16 |
| Vivo Mobile Communication Co., Ltd. | 13285 |
9 |
| Samsung Electronics Co., Ltd. | 153845 |
6 |
| Quiet, Inc. | 15 |
6 |
| Honor Device Co., Ltd. | 6444 |
6 |
| Hewlett-Packard Development Company, L.P. | 25339 |
5 |
| Otter Products, LLC | 758 |
3 |
| Ensight LLC | 15 |
3 |
| Ericsson | 22292 |
2 |
| Nokia Technologies Oy | 20297 |
2 |
| AAC Technologies (Nanjing) Co., Ltd. | 363 |
2 |
| Goertek Inc. | 2773 |
2 |
| High SEC Labs Ltd. | 82 |
2 |
| Huizhou TCL Mobile Communication Co., Ltd. | 1131 |
2 |
| United Services Automobile Association (USAA) | 3160 |
2 |
| Mutum GmbH | 2 |
2 |
| Guardian GmbH | 2 |
2 |
| BlackBerry Limited | 4997 |
1 |
| Qualcomm Incorporated | 90221 |
1 |
| Other owners | 53 |