- 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: 640
10-year publication summary
|
69
|
55
|
49
|
57
|
38
|
22
|
19
|
14
|
3
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| First Orion Corp. | 140 |
36 |
| Microsoft Technology Licensing, LLC | 51439 |
27 |
| International Business Machines Corporation | 60644 |
19 |
| AT&T Intellectual Property I, L.P. | 9886 |
18 |
| Verizon Patent And Licensing Inc. | 6900 |
18 |
| Apple Inc. | 50209 |
16 |
| Securus Technologies, LLC | 292 |
16 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| AccuData, Inc., a Michigan corporation, | 15 |
13 |
| CenturyLink Intellectual Property LLC | 1130 |
13 |
| Malikie Innovations Limited | 7703 |
12 |
| United Services Automobile Association (USAA) | 2514 |
10 |
| Arlington Technologies, LLC | 642 |
10 |
| Global Tel*Link Corporation | 431 |
9 |
| Huawei Technologies Co., Ltd. | 100781 |
8 |
| RingCentral, Inc. | 731 |
8 |
| YouMail, Inc. | 47 |
8 |
| NEC Corporation | 32703 |
7 |
| Cisco Technology, Inc. | 18858 |
7 |
| State Farm Mutual Automobile Insurance Company | 2560 |
7 |
| Other owners | 364 |