- 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: 611
10-year publication summary
|
55
|
49
|
57
|
38
|
22
|
20
|
15
|
4
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| First Orion Corp. | 165 |
37 |
| Microsoft Technology Licensing, LLC | 53127 |
25 |
| Apple Inc. | 53393 |
16 |
| International Business Machines Corporation | 60411 |
16 |
| Verizon Patent And Licensing Inc. | 6986 |
16 |
| Securus Technologies, LLC | 290 |
15 |
| Samsung Electronics Co., Ltd. | 140839 |
14 |
| AT&T Intellectual Property I, L.P. | 9390 |
13 |
| AccuData, Inc., a Michigan corporation, | 15 |
13 |
| CenturyLink Intellectual Property LLC | 1191 |
13 |
| Malikie Innovations Limited | 7289 |
12 |
| United Services Automobile Association (USAA) | 2866 |
11 |
| Arlington Technologies, LLC | 631 |
10 |
| Global Tel*Link Corporation | 426 |
9 |
| YouMail, Inc. | 50 |
9 |
| Ankura Trust Company, LLC | 337 |
9 |
| RingCentral, Inc. | 750 |
8 |
| NEC Corporation | 34763 |
7 |
| Cisco Technology, Inc. | 19506 |
7 |
| Huawei Technologies Co., Ltd. | 108191 |
7 |
| Other owners | 344 |