- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/50 - Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers
Patent holdings for IPC class H04M 3/50
Total number of patents in this class: 152
10-year publication summary
|
14
|
12
|
9
|
18
|
10
|
11
|
5
|
9
|
10
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ZTE Corporation | 39218 |
12 |
| JPMorgan Chase Bank, National Association | 10964 |
6 |
| Genesys Telecommunications Laboratories, Inc. | 749 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
5 |
| The Invention Science Fund I, LLC | 189 |
4 |
| United Services Automobile Association (USAA) | 2514 |
4 |
| NEC Corporation | 32703 |
3 |
| Accenture Global Services Limited | 1802 |
3 |
| Verint Americas Inc. | 540 |
3 |
| Afiniti, Ltd. | 299 |
3 |
| Afiniti, Inc. | 31 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Panasonic Corporation | 20786 |
2 |
| NTT DoCoMo, Inc. | 11501 |
2 |
| Motorola Solutions, Inc. | 4355 |
2 |
| BCE Inc. | 431 |
2 |
| Greeneden U.S. Holdings II, LLC | 106 |
2 |
| Interactive Intelligence Group, Inc. | 58 |
2 |
| Intermedia.NET, Inc. | 44 |
2 |
| Intuit Inc. | 3430 |
2 |
| Other owners | 82 |