- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 3/72 - Finding out and indicating number of calling subscriber
Patent holdings for IPC class H04Q 3/72
Total number of patents in this class: 45
10-year publication summary
|
4
|
8
|
5
|
4
|
3
|
2
|
3
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tango Networks, Inc. | 130 |
26 |
| International Business Machines Corporation | 62671 |
2 |
| Ericsson | 22785 |
1 |
| Cisco Technology, Inc. | 22503 |
1 |
| SAP SE | 10124 |
1 |
| Verizon Patent And Licensing Inc. | 7565 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5259 |
1 |
| Nippon Telegraph and Telephone West Corporation | 14 |
1 |
| Nippon Telegraph And Telephone East Corporation | 24 |
1 |
| RingCentral, Inc. | 795 |
1 |
| Capital One Services, LLC. | 10013 |
1 |
| Cassidian Finland Oy | 16 |
1 |
| Doximity, Inc. | 39 |
1 |
| Metaswitch Networks Ltd | 235 |
1 |
| NEC Platforms, Ltd. | 1065 |
1 |
| Tekelec Global, Inc. | 59 |
1 |
| Telefonaktiebolaget L M (publ) | 5 |
1 |
| Glotell B.V. | 1 |
1 |
| Subex Assurance LLP | 2 |
1 |
| Other owners | 0 |