- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/424 - Arrangements for automatic redialling
Patent holdings for IPC class H04M 3/424
Total number of patents in this class: 27
10-year publication summary
|
5
|
6
|
5
|
3
|
3
|
3
|
1
|
4
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Echopass Corporation | 4 |
3 |
| ZTE Corporation | 39218 |
2 |
| AtHoc, Inc. | 29 |
2 |
| Essence Smartcare Ltd. | 35 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Lucent Technologies Inc. | 881 |
1 |
| Ambit Microsystems (Shanghai) Ltd. | 139 |
1 |
| Avaya Inc. | 1529 |
1 |
| Accenture Global Services Limited | 1802 |
1 |
| Xiaomi Inc. | 1683 |
1 |
| Deutsche Telekom AG | 1801 |
1 |
| Metaswitch Networks Ltd | 241 |
1 |
| Nortel Networks Limited | 103 |
1 |
| Onsolve, LLC | 41 |
1 |
| Accrete Inc. | 13 |
1 |
| Orange | 1759 |
1 |
| Echo Smartlab GmbH | 6 |
1 |
| Fcnt LLC | 149 |
1 |
| Alvaria Cayman (cx) | 322 |
1 |
| Other owners | 1 |