- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/432 - Arrangements for calling a subscriber at a specific time, e.g. morning call service
Patent holdings for IPC class H04M 3/432
Total number of patents in this class: 43
10-year publication summary
|
9
|
10
|
5
|
3
|
3
|
5
|
3
|
3
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agora Lab, Inc. | 75 |
5 |
| Unify GmbH & Co. KG | 142 |
4 |
| BCE Inc. | 431 |
3 |
| United Services Automobile Association (USAA) | 2514 |
3 |
| Ericsson | 20417 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Avaya Inc. | 1529 |
2 |
| Rakuten Group, Inc. | 1547 |
2 |
| Alvaria Cayman (cx) | 322 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Siemens AG | 24990 |
1 |
| Cisco Technology, Inc. | 18858 |
1 |
| Amazon Technologies, Inc. | 24422 |
1 |
| Skype | 136 |
1 |
| Microsoft Technology Licensing, LLC | 51439 |
1 |
| Xiaomi Inc. | 1683 |
1 |
| Capital One Services, LLC. | 7551 |
1 |
| Kickmail, LLC | 1 |
1 |
| Siemens Enterprise Communications GmbH & Co. KG | 132 |
1 |
| Wai LLC | 2 |
1 |
| Other owners | 7 |