- 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: 857
10-year publication summary
|
90
|
116
|
78
|
65
|
46
|
92
|
52
|
43
|
22
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
49 |
| Microsoft Technology Licensing, LLC | 51439 |
41 |
| Apple Inc. | 50209 |
35 |
| First Orion Corp. | 140 |
26 |
| Huawei Technologies Co., Ltd. | 100781 |
22 |
| ZTE Corporation | 39218 |
21 |
| Sony Ericsson Mobile Communications AB | 2014 |
20 |
| Digital Reef, Inc. | 22 |
20 |
| Malikie Innovations Limited | 7703 |
19 |
| AT&T Intellectual Property I, L.P. | 9886 |
17 |
| Qualcomm Incorporated | 76576 |
14 |
| Kyocera Corporation | 12735 |
13 |
| BCE Inc. | 431 |
13 |
| LG Electronics Inc. | 69257 |
12 |
| International Business Machines Corporation | 60644 |
12 |
| Xiaomi Inc. | 1683 |
12 |
| AccuData, Inc., a Michigan corporation, | 15 |
12 |
| Capital One Services, LLC. | 7551 |
11 |
| Mitel Networks Corporation | 455 |
11 |
| T-Mobile USA, Inc. | 3668 |
11 |
| Other owners | 466 |