- 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: 783
10-year publication summary
|
78
|
65
|
46
|
92
|
52
|
44
|
24
|
20
|
15
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 159755 |
42 |
| Microsoft Technology Licensing, LLC | 54706 |
36 |
| Apple Inc. | 59479 |
35 |
| First Orion Corp. | 187 |
27 |
| Digital Reef, Inc. | 24 |
22 |
| Huawei Technologies Co., Ltd. | 125590 |
21 |
| ZTE Corporation | 44368 |
21 |
| AT&T Intellectual Property I, L.P. | 10062 |
16 |
| Malikie Innovations Limited | 6328 |
16 |
| T-Mobile USA, Inc. | 4563 |
13 |
| Qualcomm Incorporated | 93957 |
12 |
| LG Electronics Inc. | 76328 |
12 |
| Xiaomi Inc. | 1748 |
12 |
| AccuData, Inc., a Michigan corporation, | 15 |
12 |
| Capital One Services, LLC. | 10149 |
12 |
| YouMail, Inc. | 54 |
12 |
| International Business Machines Corporation | 62871 |
11 |
| Kyocera Corporation | 14521 |
11 |
| CenturyLink Intellectual Property LLC | 1288 |
10 |
| Sony Ericsson Mobile Communications AB | 1319 |
9 |
| Other owners | 421 |