- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 7/14 - Arrangements for interconnection between switching centres in systems involving main and subordinate switching centres
Patent holdings for IPC class H04M 7/14
Total number of patents in this class: 24
10-year publication summary
|
3
|
4
|
4
|
4
|
3
|
2
|
0
|
0
|
0
|
0
|
| 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 |
2 |
| Vivint, Inc. | 595 |
2 |
| Apple Inc. | 50209 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| Ricoh Company, Ltd. | 13266 |
1 |
| Brother Industries, Ltd. | 13000 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Amazon Technologies, Inc. | 24422 |
1 |
| Motorola, Inc. | 2873 |
1 |
| Microsoft Technology Licensing, LLC | 51439 |
1 |
| Fujitsu Network Communications, Inc. | 11 |
1 |
| HomeWAV, LLC | 19 |
1 |
| Level 3 Communications, LLC | 1428 |
1 |
| NMS Communications Corporation | 7 |
1 |
| RAND Corporation, The | 35 |
1 |
| Research Triangle Institute | 389 |
1 |
| Sony Interactive Entertainment LLC | 1946 |
1 |
| T-Mobile USA, Inc. | 3668 |
1 |
| Teladoc Health, Inc. | 213 |
1 |
| Other owners | 2 |