- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/56 - Arrangements for indicating or recording the called number at the calling subscriber's set
Patent holdings for IPC class H04M 1/56
Total number of patents in this class: 579
10-year publication summary
|
49
|
57
|
37
|
22
|
20
|
15
|
5
|
11
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| First Orion Corp. | 180 |
38 |
| Microsoft Technology Licensing, LLC | 54215 |
21 |
| International Business Machines Corporation | 62182 |
16 |
| Apple Inc. | 58049 |
15 |
| Verizon Patent And Licensing Inc. | 7487 |
14 |
| Securus Technologies, LLC | 288 |
14 |
| AccuData, Inc., a Michigan corporation, | 15 |
13 |
| CenturyLink Intellectual Property LLC | 1276 |
13 |
| AT&T Intellectual Property I, L.P. | 9831 |
12 |
| United Services Automobile Association (USAA) | 3156 |
12 |
| Malikie Innovations Limited | 6679 |
12 |
| Global Tel*Link Corporation | 433 |
9 |
| YouMail, Inc. | 53 |
9 |
| Ankura Trust Company, LLC | 320 |
9 |
| Arlington Technologies, LLC | 611 |
9 |
| Huawei Technologies Co., Ltd. | 119891 |
8 |
| Samsung Electronics Co., Ltd. | 153573 |
7 |
| NEC Corporation | 36611 |
7 |
| Cisco Technology, Inc. | 22256 |
7 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5173 |
7 |
| Other owners | 327 |