- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/57 - Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
Patent holdings for IPC class H04M 1/57
Total number of patents in this class: 793
10-year publication summary
|
78
|
65
|
46
|
92
|
52
|
43
|
24
|
20
|
15
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157557 |
43 |
| Apple Inc. | 58705 |
36 |
| Microsoft Technology Licensing, LLC | 54439 |
36 |
| First Orion Corp. | 183 |
27 |
| Digital Reef, Inc. | 24 |
22 |
| Huawei Technologies Co., Ltd. | 123282 |
21 |
| ZTE Corporation | 44159 |
21 |
| AT&T Intellectual Property I, L.P. | 9993 |
16 |
| Malikie Innovations Limited | 6474 |
16 |
| T-Mobile USA, Inc. | 4491 |
13 |
| Qualcomm Incorporated | 91997 |
12 |
| LG Electronics Inc. | 75654 |
12 |
| Xiaomi Inc. | 1738 |
12 |
| AccuData, Inc., a Michigan corporation, | 15 |
12 |
| Capital One Services, LLC. | 9978 |
12 |
| International Business Machines Corporation | 62621 |
11 |
| Kyocera Corporation | 14335 |
11 |
| YouMail, Inc. | 53 |
11 |
| Sony Ericsson Mobile Communications AB | 1392 |
10 |
| CenturyLink Intellectual Property LLC | 1275 |
10 |
| Other owners | 429 |